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authorJohn Voltz <john.voltz@gmail.com>2008-03-06 18:50:01 +0000
committerJohn Voltz <john.voltz@gmail.com>2008-03-06 18:50:01 +0000
commit3ab16b1fd65533d032008d409e0026fe2be43182 (patch)
tree09249bf618ff8facb2d50a776850dbf0acc672dc /toolchain/uClibc/uClibc-0.9.28-mutex-cancel.patch
parentf7e1c58a6cac1ad817bf1dee6f360dd206c54fc6 (diff)
added and removed uclibc patches
Diffstat (limited to 'toolchain/uClibc/uClibc-0.9.28-mutex-cancel.patch')
-rw-r--r--toolchain/uClibc/uClibc-0.9.28-mutex-cancel.patch8631
1 files changed, 0 insertions, 8631 deletions
diff --git a/toolchain/uClibc/uClibc-0.9.28-mutex-cancel.patch b/toolchain/uClibc/uClibc-0.9.28-mutex-cancel.patch
deleted file mode 100644
index 5e56a7397..000000000
--- a/toolchain/uClibc/uClibc-0.9.28-mutex-cancel.patch
+++ /dev/null
@@ -1,8631 +0,0 @@
-diff --git a/include/printf.h b/include/printf.h
-index 340b6cb..2dea58f 100644
---- a/include/printf.h
-+++ b/include/printf.h
-@@ -75,6 +75,7 @@ struct printf_info
- unsigned int is_short:1; /* h flag. */
- unsigned int is_long:1; /* l flag. */
- unsigned int is_long_double:1;/* L flag. */
-+ unsigned int __padding:20;/* non-gnu -- total of 32 bits on 32bit arch */
-
- #elif __BYTE_ORDER == __BIG_ENDIAN
-
-diff --git a/include/pthread.h b/include/pthread.h
-index 8c01172..cee112b 100644
---- a/include/pthread.h
-+++ b/include/pthread.h
-@@ -644,7 +644,8 @@ extern void _pthread_cleanup_pop (struct
- /* Install a cleanup handler as pthread_cleanup_push does, but also
- saves the current cancellation type and set it to deferred cancellation. */
-
--#ifdef __USE_GNU
-+/* #ifdef __USE_GNU */
-+#if defined(__USE_GNU) || defined(_LIBC)
- # define pthread_cleanup_push_defer_np(routine,arg) \
- { struct _pthread_cleanup_buffer _buffer; \
- _pthread_cleanup_push_defer (&_buffer, (routine), (arg));
-diff --git a/libc/inet/getnetent.c b/libc/inet/getnetent.c
-index 181c5ad..659bf5d 100644
---- a/libc/inet/getnetent.c
-+++ b/libc/inet/getnetent.c
-@@ -22,18 +22,9 @@
- #include <netdb.h>
- #include <arpa/inet.h>
-
-+#include <bits/uClibc_mutex.h>
-
--#ifdef __UCLIBC_HAS_THREADS__
--#include <pthread.h>
--static pthread_mutex_t mylock = PTHREAD_MUTEX_INITIALIZER;
--# define LOCK __pthread_mutex_lock(&mylock)
--# define UNLOCK __pthread_mutex_unlock(&mylock);
--#else
--# define LOCK
--# define UNLOCK
--#endif
--
--
-+__UCLIBC_MUTEX_STATIC(mylock, PTHREAD_MUTEX_INITIALIZER);
-
- #define MAXALIASES 35
- static const char NETDB[] = _PATH_NETWORKS;
-@@ -46,25 +37,25 @@ int _net_stayopen;
-
- void setnetent(int f)
- {
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
- if (netf == NULL)
-- netf = fopen(NETDB, "r" );
-+ netf = fopen(NETDB, "r" );
- else
-- rewind(netf);
-+ rewind(netf);
- _net_stayopen |= f;
-- UNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
- return;
- }
-
- void endnetent(void)
- {
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
- if (netf) {
-- fclose(netf);
-- netf = NULL;
-+ fclose(netf);
-+ netf = NULL;
- }
- _net_stayopen = 0;
-- UNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
- }
-
- static char * any(register char *cp, char *match)
-@@ -72,10 +63,10 @@ static char * any(register char *cp, cha
- register char *mp, c;
-
- while ((c = *cp)) {
-- for (mp = match; *mp; mp++)
-- if (*mp == c)
-- return (cp);
-- cp++;
-+ for (mp = match; *mp; mp++)
-+ if (*mp == c)
-+ return (cp);
-+ cp++;
- }
- return ((char *)0);
- }
-@@ -84,59 +75,62 @@ struct netent * getnetent(void)
- {
- char *p;
- register char *cp, **q;
-+ struct netent *rv = NULL;
-
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
- if (netf == NULL && (netf = fopen(NETDB, "r" )) == NULL) {
-- UNLOCK;
-- return (NULL);
-+ goto DONE;
- }
--again:
-+ again:
-
- if (!line) {
-- line = malloc(BUFSIZ + 1);
-- if (!line)
-- abort();
-+ line = malloc(BUFSIZ + 1);
-+ if (!line)
-+ abort();
- }
-
- p = fgets(line, BUFSIZ, netf);
- if (p == NULL) {
-- UNLOCK;
-- return (NULL);
-+ goto DONE;
- }
- if (*p == '#')
-- goto again;
-+ goto again;
- cp = any(p, "#\n");
- if (cp == NULL)
-- goto again;
-+ goto again;
- *cp = '\0';
- net.n_name = p;
- cp = any(p, " \t");
- if (cp == NULL)
-- goto again;
-+ goto again;
- *cp++ = '\0';
- while (*cp == ' ' || *cp == '\t')
-- cp++;
-+ cp++;
- p = any(cp, " \t");
- if (p != NULL)
-- *p++ = '\0';
-+ *p++ = '\0';
- net.n_net = inet_network(cp);
- net.n_addrtype = AF_INET;
- q = net.n_aliases = net_aliases;
- if (p != NULL)
-- cp = p;
-+ cp = p;
- while (cp && *cp) {
-- if (*cp == ' ' || *cp == '\t') {
-- cp++;
-- continue;
-- }
-- if (q < &net_aliases[MAXALIASES - 1])
-- *q++ = cp;
-- cp = any(cp, " \t");
-- if (cp != NULL)
-- *cp++ = '\0';
-+ if (*cp == ' ' || *cp == '\t') {
-+ cp++;
-+ continue;
-+ }
-+ if (q < &net_aliases[MAXALIASES - 1])
-+ *q++ = cp;
-+ cp = any(cp, " \t");
-+ if (cp != NULL)
-+ *cp++ = '\0';
- }
- *q = NULL;
-- UNLOCK;
-- return (&net);
-+
-+ rv = &net;
-+
-+ DONE:
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
-+ return rv;
- }
-
-diff --git a/libc/inet/getproto.c b/libc/inet/getproto.c
-index c9f35f1..3665d89 100644
---- a/libc/inet/getproto.c
-+++ b/libc/inet/getproto.c
-@@ -62,17 +62,9 @@
- #include <string.h>
- #include <errno.h>
-
--#ifdef __UCLIBC_HAS_THREADS__
--#include <pthread.h>
--static pthread_mutex_t mylock = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
--# define LOCK __pthread_mutex_lock(&mylock)
--# define UNLOCK __pthread_mutex_unlock(&mylock);
--#else
--# define LOCK
--# define UNLOCK
--#endif
--
-+#include <bits/uClibc_mutex.h>
-
-+__UCLIBC_MUTEX_STATIC(mylock, PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP);
-
- #define MAXALIASES 35
- #define SBUFSIZE (BUFSIZ + 1 + (sizeof(char *) * MAXALIASES))
-@@ -85,109 +77,114 @@ static int proto_stayopen;
- static void __initbuf(void)
- {
- if (!static_aliases) {
-- static_aliases = malloc(SBUFSIZE);
-- if (!static_aliases)
-- abort();
-+ static_aliases = malloc(SBUFSIZE);
-+ if (!static_aliases)
-+ abort();
- }
- }
-
- void setprotoent(int f)
- {
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
- if (protof == NULL)
-- protof = fopen(_PATH_PROTOCOLS, "r" );
-+ protof = fopen(_PATH_PROTOCOLS, "r" );
- else
-- rewind(protof);
-+ rewind(protof);
- proto_stayopen |= f;
-- UNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
- }
-
- void endprotoent(void)
- {
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
- if (protof) {
-- fclose(protof);
-- protof = NULL;
-+ fclose(protof);
-+ protof = NULL;
- }
- proto_stayopen = 0;
-- UNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
- }
-
- int getprotoent_r(struct protoent *result_buf,
-- char *buf, size_t buflen,
-- struct protoent **result)
-+ char *buf, size_t buflen,
-+ struct protoent **result)
- {
- char *p;
- register char *cp, **q;
- char **proto_aliases;
- char *line;
-+ int rv;
-
- *result = NULL;
-
- if (buflen < sizeof(*proto_aliases)*MAXALIASES) {
-- errno=ERANGE;
-- return errno;
-+ errno=ERANGE;
-+ return errno;
- }
-- LOCK;
-+
-+ __UCLIBC_MUTEX_LOCK(mylock);
- proto_aliases=(char **)buf;
- buf+=sizeof(*proto_aliases)*MAXALIASES;
- buflen-=sizeof(*proto_aliases)*MAXALIASES;
-
- if (buflen < BUFSIZ+1) {
-- UNLOCK;
-- errno=ERANGE;
-- return errno;
-+ errno=rv=ERANGE;
-+ goto DONE;
- }
- line=buf;
- buf+=BUFSIZ+1;
- buflen-=BUFSIZ+1;
-
- if (protof == NULL && (protof = fopen(_PATH_PROTOCOLS, "r" )) == NULL) {
-- UNLOCK;
-- return errno;
-+ rv=errno;
-+ goto DONE;
- }
--again:
-+ again:
- if ((p = fgets(line, BUFSIZ, protof)) == NULL) {
-- UNLOCK;
-- return TRY_AGAIN;
-+ rv=TRY_AGAIN;
-+ goto DONE;
- }
-
- if (*p == '#')
-- goto again;
-+ goto again;
- cp = strpbrk(p, "#\n");
- if (cp == NULL)
-- goto again;
-+ goto again;
- *cp = '\0';
- result_buf->p_name = p;
- cp = strpbrk(p, " \t");
- if (cp == NULL)
-- goto again;
-+ goto again;
- *cp++ = '\0';
- while (*cp == ' ' || *cp == '\t')
-- cp++;
-+ cp++;
- p = strpbrk(cp, " \t");
- if (p != NULL)
-- *p++ = '\0';
-+ *p++ = '\0';
- result_buf->p_proto = atoi(cp);
- q = result_buf->p_aliases = proto_aliases;
- if (p != NULL) {
-- cp = p;
-- while (cp && *cp) {
-- if (*cp == ' ' || *cp == '\t') {
-- cp++;
-- continue;
-- }
-- if (q < &proto_aliases[MAXALIASES - 1])
-- *q++ = cp;
-- cp = strpbrk(cp, " \t");
-- if (cp != NULL)
-- *cp++ = '\0';
-- }
-+ cp = p;
-+ while (cp && *cp) {
-+ if (*cp == ' ' || *cp == '\t') {
-+ cp++;
-+ continue;
-+ }
-+ if (q < &proto_aliases[MAXALIASES - 1])
-+ *q++ = cp;
-+ cp = strpbrk(cp, " \t");
-+ if (cp != NULL)
-+ *cp++ = '\0';
-+ }
- }
- *q = NULL;
- *result=result_buf;
-- UNLOCK;
-- return 0;
-+
-+ rv = 0;
-+
-+ DONE:
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
-+ return rv;
- }
-
- struct protoent * getprotoent(void)
-@@ -201,26 +198,26 @@ struct protoent * getprotoent(void)
-
-
- int getprotobyname_r(const char *name,
-- struct protoent *result_buf,
-- char *buf, size_t buflen,
-- struct protoent **result)
-+ struct protoent *result_buf,
-+ char *buf, size_t buflen,
-+ struct protoent **result)
- {
- register char **cp;
- int ret;
-
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
- setprotoent(proto_stayopen);
- while (!(ret=getprotoent_r(result_buf, buf, buflen, result))) {
-- if (strcmp(result_buf->p_name, name) == 0)
-- break;
-- for (cp = result_buf->p_aliases; *cp != 0; cp++)
-- if (strcmp(*cp, name) == 0)
-- goto found;
-+ if (strcmp(result_buf->p_name, name) == 0)
-+ break;
-+ for (cp = result_buf->p_aliases; *cp != 0; cp++)
-+ if (strcmp(*cp, name) == 0)
-+ goto found;
- }
--found:
-+ found:
- if (!proto_stayopen)
-- endprotoent();
-- UNLOCK;
-+ endprotoent();
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
- return *result?0:ret;
- }
-
-@@ -236,20 +233,20 @@ struct protoent * getprotobyname(const c
-
-
- int getprotobynumber_r (int proto_num,
-- struct protoent *result_buf,
-- char *buf, size_t buflen,
-- struct protoent **result)
-+ struct protoent *result_buf,
-+ char *buf, size_t buflen,
-+ struct protoent **result)
- {
- int ret;
-
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
- setprotoent(proto_stayopen);
- while (!(ret=getprotoent_r(result_buf, buf, buflen, result)))
-- if (result_buf->p_proto == proto_num)
-- break;
-+ if (result_buf->p_proto == proto_num)
-+ break;
- if (!proto_stayopen)
-- endprotoent();
-- UNLOCK;
-+ endprotoent();
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
- return *result?0:ret;
- }
-
-diff --git a/libc/inet/getservice.c b/libc/inet/getservice.c
-index cbe5c50..b666057 100644
---- a/libc/inet/getservice.c
-+++ b/libc/inet/getservice.c
-@@ -65,20 +65,9 @@
- #include <arpa/inet.h>
- #include <errno.h>
-
-+#include <bits/uClibc_mutex.h>
-
--
--#ifdef __UCLIBC_HAS_THREADS__
--#include <pthread.h>
--static pthread_mutex_t mylock = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
--# define LOCK __pthread_mutex_lock(&mylock)
--# define UNLOCK __pthread_mutex_unlock(&mylock);
--#else
--# define LOCK
--# define UNLOCK
--#endif
--
--
--
-+__UCLIBC_MUTEX_STATIC(mylock, PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP);
-
- #define MAXALIASES 35
- #define SBUFSIZE (BUFSIZ + 1 + (sizeof(char *) * MAXALIASES))
-@@ -91,32 +80,32 @@ static int serv_stayopen;
- static void __initbuf(void)
- {
- if (!servbuf) {
-- servbuf = malloc(SBUFSIZE);
-- if (!servbuf)
-- abort();
-+ servbuf = malloc(SBUFSIZE);
-+ if (!servbuf)
-+ abort();
- }
- }
-
- void setservent(int f)
- {
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
- if (servf == NULL)
-- servf = fopen(_PATH_SERVICES, "r" );
-+ servf = fopen(_PATH_SERVICES, "r" );
- else
-- rewind(servf);
-+ rewind(servf);
- serv_stayopen |= f;
-- UNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
- }
-
- void endservent(void)
- {
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
- if (servf) {
-- fclose(servf);
-- servf = NULL;
-+ fclose(servf);
-+ servf = NULL;
- }
- serv_stayopen = 0;
-- UNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
- }
-
- struct servent * getservent(void)
-@@ -149,127 +138,129 @@ struct servent * getservbyport(int port,
- }
-
- int getservent_r(struct servent * result_buf,
-- char * buf, size_t buflen,
-- struct servent ** result)
-+ char * buf, size_t buflen,
-+ struct servent ** result)
- {
- char *p;
- register char *cp, **q;
- char **serv_aliases;
- char *line;
-+ int rv;
-
- *result=NULL;
-
- if (buflen < sizeof(*serv_aliases)*MAXALIASES) {
-- errno=ERANGE;
-- return errno;
-+ errno=ERANGE;
-+ return errno;
- }
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
- serv_aliases=(char **)buf;
- buf+=sizeof(*serv_aliases)*MAXALIASES;
- buflen-=sizeof(*serv_aliases)*MAXALIASES;
-
- if (buflen < BUFSIZ+1) {
-- UNLOCK;
-- errno=ERANGE;
-- return errno;
-+ errno=rv=ERANGE;
-+ goto DONE;
- }
- line=buf;
- buf+=BUFSIZ+1;
- buflen-=BUFSIZ+1;
-
- if (servf == NULL && (servf = fopen(_PATH_SERVICES, "r" )) == NULL) {
-- UNLOCK;
-- errno=EIO;
-- return errno;
-+ errno=rv=EIO;
-+ goto DONE;
- }
--again:
-+ again:
- if ((p = fgets(line, BUFSIZ, servf)) == NULL) {
-- UNLOCK;
-- errno=EIO;
-- return errno;
-+ errno=rv=EIO;
-+ goto DONE;
- }
- if (*p == '#')
-- goto again;
-+ goto again;
- cp = strpbrk(p, "#\n");
- if (cp == NULL)
-- goto again;
-+ goto again;
- *cp = '\0';
- result_buf->s_name = p;
- p = strpbrk(p, " \t");
- if (p == NULL)
-- goto again;
-+ goto again;
- *p++ = '\0';
- while (*p == ' ' || *p == '\t')
-- p++;
-+ p++;
- cp = strpbrk(p, ",/");
- if (cp == NULL)
-- goto again;
-+ goto again;
- *cp++ = '\0';
- result_buf->s_port = htons((u_short)atoi(p));
- result_buf->s_proto = cp;
- q = result_buf->s_aliases = serv_aliases;
- cp = strpbrk(cp, " \t");
- if (cp != NULL)
-- *cp++ = '\0';
-+ *cp++ = '\0';
- while (cp && *cp) {
-- if (*cp == ' ' || *cp == '\t') {
-- cp++;
-- continue;
-- }
-- if (q < &serv_aliases[MAXALIASES - 1])
-- *q++ = cp;
-- cp = strpbrk(cp, " \t");
-- if (cp != NULL)
-- *cp++ = '\0';
-+ if (*cp == ' ' || *cp == '\t') {
-+ cp++;
-+ continue;
-+ }
-+ if (q < &serv_aliases[MAXALIASES - 1])
-+ *q++ = cp;
-+ cp = strpbrk(cp, " \t");
-+ if (cp != NULL)
-+ *cp++ = '\0';
- }
- *q = NULL;
- *result=result_buf;
-- UNLOCK;
-- return 0;
-+
-+ rv = 0;
-+
-+ DONE:
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
-+ return rv;
- }
-
- int getservbyname_r(const char *name, const char *proto,
-- struct servent * result_buf, char * buf, size_t buflen,
-- struct servent ** result)
-+ struct servent * result_buf, char * buf, size_t buflen,
-+ struct servent ** result)
- {
- register char **cp;
- int ret;
-
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
- setservent(serv_stayopen);
- while (!(ret=getservent_r(result_buf, buf, buflen, result))) {
-- if (strcmp(name, result_buf->s_name) == 0)
-- goto gotname;
-- for (cp = result_buf->s_aliases; *cp; cp++)
-- if (strcmp(name, *cp) == 0)
-- goto gotname;
-- continue;
--gotname:
-- if (proto == 0 || strcmp(result_buf->s_proto, proto) == 0)
-- break;
-+ if (strcmp(name, result_buf->s_name) == 0)
-+ goto gotname;
-+ for (cp = result_buf->s_aliases; *cp; cp++)
-+ if (strcmp(name, *cp) == 0)
-+ goto gotname;
-+ continue;
-+ gotname:
-+ if (proto == 0 || strcmp(result_buf->s_proto, proto) == 0)
-+ break;
- }
- if (!serv_stayopen)
-- endservent();
-- UNLOCK;
-+ endservent();
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
- return *result?0:ret;
- }
-
- int getservbyport_r(int port, const char *proto,
-- struct servent * result_buf, char * buf,
-- size_t buflen, struct servent ** result)
-+ struct servent * result_buf, char * buf,
-+ size_t buflen, struct servent ** result)
- {
- int ret;
-
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
- setservent(serv_stayopen);
- while (!(ret=getservent_r(result_buf, buf, buflen, result))) {
-- if (result_buf->s_port != port)
-- continue;
-- if (proto == 0 || strcmp(result_buf->s_proto, proto) == 0)
-- break;
-+ if (result_buf->s_port != port)
-+ continue;
-+ if (proto == 0 || strcmp(result_buf->s_proto, proto) == 0)
-+ break;
- }
- if (!serv_stayopen)
-- endservent();
-- UNLOCK;
-+ endservent();
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
- return *result?0:ret;
- }
-diff --git a/libc/inet/resolv.c b/libc/inet/resolv.c
-index 27b60ef..0f583ab 100644
---- a/libc/inet/resolv.c
-+++ b/libc/inet/resolv.c
-@@ -7,7 +7,7 @@
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
--*/
-+ */
-
- /*
- * Portions Copyright (c) 1985, 1993
-@@ -153,6 +153,11 @@
- #include <sys/utsname.h>
- #include <sys/un.h>
-
-+#include <bits/uClibc_mutex.h>
-+
-+__UCLIBC_MUTEX_EXTERN(__resolv_lock);
-+
-+
- #define MAX_RECURSE 5
- #define REPLY_TIMEOUT 10
- #define MAX_RETRIES 3
-@@ -180,18 +185,6 @@ extern char * __nameserver[MAX_SERVERS];
- extern int __searchdomains;
- extern char * __searchdomain[MAX_SEARCH];
-
--#ifdef __UCLIBC_HAS_THREADS__
--#include <pthread.h>
--extern pthread_mutex_t __resolv_lock;
--# define BIGLOCK __pthread_mutex_lock(&__resolv_lock)
--# define BIGUNLOCK __pthread_mutex_unlock(&__resolv_lock);
--#else
--# define BIGLOCK
--# define BIGUNLOCK
--#endif
--
--
--
- /* Structs */
- struct resolv_header {
- int id;
-@@ -229,49 +222,49 @@ enum etc_hosts_action {
-
- /* function prototypes */
- extern int __get_hosts_byname_r(const char * name, int type,
-- struct hostent * result_buf,
-- char * buf, size_t buflen,
-- struct hostent ** result,
-- int * h_errnop);
-+ struct hostent * result_buf,
-+ char * buf, size_t buflen,
-+ struct hostent ** result,
-+ int * h_errnop);
- extern int __get_hosts_byaddr_r(const char * addr, int len, int type,
-- struct hostent * result_buf,
-- char * buf, size_t buflen,
-- struct hostent ** result,
-- int * h_errnop);
-+ struct hostent * result_buf,
-+ char * buf, size_t buflen,
-+ struct hostent ** result,
-+ int * h_errnop);
- extern void __open_etc_hosts(FILE **fp);
- extern int __read_etc_hosts_r(FILE *fp, const char * name, int type,
-- enum etc_hosts_action action,
-- struct hostent * result_buf,
-- char * buf, size_t buflen,
-- struct hostent ** result,
-- int * h_errnop);
-+ enum etc_hosts_action action,
-+ struct hostent * result_buf,
-+ char * buf, size_t buflen,
-+ struct hostent ** result,
-+ int * h_errnop);
- extern int __dns_lookup(const char * name, int type, int nscount,
-- char ** nsip, unsigned char ** outpacket, struct resolv_answer * a);
-+ char ** nsip, unsigned char ** outpacket, struct resolv_answer * a);
-
- extern int __encode_dotted(const char * dotted, unsigned char * dest, int maxlen);
- extern int __decode_dotted(const unsigned char * message, int offset,
-- char * dest, int maxlen);
-+ char * dest, int maxlen);
- extern int __length_dotted(const unsigned char * message, int offset);
- extern int __encode_header(struct resolv_header * h, unsigned char * dest, int maxlen);
- extern int __decode_header(unsigned char * data, struct resolv_header * h);
- extern int __encode_question(struct resolv_question * q,
-- unsigned char * dest, int maxlen);
-+ unsigned char * dest, int maxlen);
- extern int __decode_question(unsigned char * message, int offset,
-- struct resolv_question * q);
-+ struct resolv_question * q);
- extern int __encode_answer(struct resolv_answer * a,
-- unsigned char * dest, int maxlen);
-+ unsigned char * dest, int maxlen);
- extern int __decode_answer(unsigned char * message, int offset,
-- struct resolv_answer * a);
-+ struct resolv_answer * a);
- extern int __length_question(unsigned char * message, int offset);
- extern int __open_nameservers(void);
- extern void __close_nameservers(void);
- extern int __dn_expand(const u_char *, const u_char *, const u_char *,
-- char *, int);
-+ char *, int);
- extern int __ns_name_uncompress(const u_char *, const u_char *,
-- const u_char *, char *, size_t);
-+ const u_char *, char *, size_t);
- extern int __ns_name_ntop(const u_char *, char *, size_t);
- extern int __ns_name_unpack(const u_char *, const u_char *, const u_char *,
-- u_char *, size_t);
-+ u_char *, size_t);
-
-
- #ifdef L_encodeh
-@@ -361,7 +354,7 @@ int __encode_dotted(const char *dotted,
- This routine understands compressed data. */
-
- int __decode_dotted(const unsigned char *data, int offset,
-- char *dest, int maxlen)
-+ char *dest, int maxlen)
- {
- int l;
- int measure = 1;
-@@ -435,7 +428,7 @@ int __length_dotted(const unsigned char
-
- #ifdef L_encodeq
- int __encode_question(struct resolv_question *q,
-- unsigned char *dest, int maxlen)
-+ unsigned char *dest, int maxlen)
- {
- int i;
-
-@@ -460,7 +453,7 @@ int __encode_question(struct resolv_ques
-
- #ifdef L_decodeq
- int __decode_question(unsigned char *message, int offset,
-- struct resolv_question *q)
-+ struct resolv_question *q)
- {
- char temp[256];
- int i;
-@@ -525,7 +518,7 @@ int __encode_answer(struct resolv_answer
-
- #ifdef L_decodea
- int __decode_answer(unsigned char *message, int offset,
-- struct resolv_answer *a)
-+ struct resolv_answer *a)
- {
- char temp[256];
- int i;
-@@ -557,11 +550,11 @@ int __decode_answer(unsigned char *messa
-
- #ifdef L_encodep
- int __encode_packet(struct resolv_header *h,
-- struct resolv_question **q,
-- struct resolv_answer **an,
-- struct resolv_answer **ns,
-- struct resolv_answer **ar,
-- unsigned char *dest, int maxlen)
-+ struct resolv_question **q,
-+ struct resolv_answer **an,
-+ struct resolv_answer **ns,
-+ struct resolv_answer **ar,
-+ unsigned char *dest, int maxlen)
- {
- int i, total = 0;
- int j;
-@@ -621,7 +614,7 @@ int __decode_packet(unsigned char *data,
-
- #ifdef L_formquery
- int __form_query(int id, const char *name, int type, unsigned char *packet,
-- int maxlen)
-+ int maxlen)
- {
- struct resolv_header h;
- struct resolv_question q;
-@@ -649,14 +642,7 @@ int __form_query(int id, const char *nam
-
- #ifdef L_dnslookup
-
--#ifdef __UCLIBC_HAS_THREADS__
--static pthread_mutex_t mylock = PTHREAD_MUTEX_INITIALIZER;
--# define LOCK __pthread_mutex_lock(&mylock)
--# define UNLOCK __pthread_mutex_unlock(&mylock);
--#else
--# define LOCK
--# define UNLOCK
--#endif
-+__UCLIBC_MUTEX_STATIC(mylock, PTHREAD_MUTEX_INITIALIZER);
-
- /* Just for the record, having to lock __dns_lookup() just for these two globals
- * is pretty lame. I think these two variables can probably be de-global-ized,
-@@ -665,7 +651,7 @@ static pthread_mutex_t mylock = PTHREAD_
- static int ns=0, id=1;
-
- int __dns_lookup(const char *name, int type, int nscount, char **nsip,
-- unsigned char **outpacket, struct resolv_answer *a)
-+ unsigned char **outpacket, struct resolv_answer *a)
- {
- int i, j, len, fd, pos, rc;
- struct timeval tv;
-@@ -693,10 +679,10 @@ int __dns_lookup(const char *name, int t
- DPRINTF("Looking up type %d answer for '%s'\n", type, name);
-
- /* Mess with globals while under lock */
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
- local_ns = ns % nscount;
- local_id = id;
-- UNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
-
- while (retries < MAX_RETRIES) {
- if (fd != -1)
-@@ -722,13 +708,13 @@ int __dns_lookup(const char *name, int t
-
- strncpy(lookup,name,MAXDNAME);
- if (variant >= 0) {
-- BIGLOCK;
-- if (variant < __searchdomains) {
-- strncat(lookup,".", MAXDNAME);
-- strncat(lookup,__searchdomain[variant], MAXDNAME);
-- }
-- BIGUNLOCK;
-- }
-+ __UCLIBC_MUTEX_LOCK(__resolv_lock);
-+ if (variant < __searchdomains) {
-+ strncat(lookup,".", MAXDNAME);
-+ strncat(lookup,__searchdomain[variant], MAXDNAME);
-+ }
-+ __UCLIBC_MUTEX_UNLOCK(__resolv_lock);
-+ }
- DPRINTF("lookup name: %s\n", lookup);
- q.dotted = (char *)lookup;
- q.qtype = type;
-@@ -750,7 +736,7 @@ int __dns_lookup(const char *name, int t
- fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
- #endif
- if (fd < 0) {
-- retries++;
-+ retries++;
- continue;
- }
-
-@@ -772,11 +758,11 @@ int __dns_lookup(const char *name, int t
- #endif
- if (rc < 0) {
- if (errno == ENETUNREACH) {
-- /* routing error, presume not transient */
-- goto tryall;
-+ /* routing error, presume not transient */
-+ goto tryall;
- } else
-- /* retry */
-- retries++;
-+ /* retry */
-+ retries++;
- continue;
- }
-
-@@ -838,55 +824,55 @@ int __dns_lookup(const char *name, int t
-
- first_answer = 1;
- for (j=0;j<h.ancount;j++,pos += i)
-- {
-- i = __decode_answer(packet, pos, &ma);
-+ {
-+ i = __decode_answer(packet, pos, &ma);
-
-- if (i<0) {
-- DPRINTF("failed decode %d\n", i);
-- goto again;
-- }
-+ if (i<0) {
-+ DPRINTF("failed decode %d\n", i);
-+ goto again;
-+ }
-
-- if ( first_answer )
-- {
-- ma.buf = a->buf;
-- ma.buflen = a->buflen;
-- ma.add_count = a->add_count;
-- memcpy(a, &ma, sizeof(ma));
-- if (a->atype != T_SIG && (0 == a->buf || (type != T_A && type != T_AAAA)))
-- {
-- break;
-- }
-- if (a->atype != type)
-- {
-- free(a->dotted);
-- continue;
-- }
-- a->add_count = h.ancount - j - 1;
-- if ((a->rdlength + sizeof(struct in_addr*)) * a->add_count > a->buflen)
-- {
-- break;
-- }
-- a->add_count = 0;
-- first_answer = 0;
-- }
-- else
-- {
-- free(ma.dotted);
-- if (ma.atype != type)
-- {
-- continue;
-- }
-- if (a->rdlength != ma.rdlength)
-- {
-- free(a->dotted);
-- DPRINTF("Answer address len(%u) differs from original(%u)\n",
-- ma.rdlength, a->rdlength);
-- goto again;
-+ if ( first_answer )
-+ {
-+ ma.buf = a->buf;
-+ ma.buflen = a->buflen;
-+ ma.add_count = a->add_count;
-+ memcpy(a, &ma, sizeof(ma));
-+ if (a->atype != T_SIG && (0 == a->buf || (type != T_A && type != T_AAAA)))
-+ {
-+ break;
-+ }
-+ if (a->atype != type)
-+ {
-+ free(a->dotted);
-+ continue;
-+ }
-+ a->add_count = h.ancount - j - 1;
-+ if ((a->rdlength + sizeof(struct in_addr*)) * a->add_count > a->buflen)
-+ {
-+ break;
-+ }
-+ a->add_count = 0;
-+ first_answer = 0;
-+ }
-+ else
-+ {
-+ free(ma.dotted);
-+ if (ma.atype != type)
-+ {
-+ continue;
-+ }
-+ if (a->rdlength != ma.rdlength)
-+ {
-+ free(a->dotted);
-+ DPRINTF("Answer address len(%u) differs from original(%u)\n",
-+ ma.rdlength, a->rdlength);
-+ goto again;
-+ }
-+ memcpy(a->buf + (a->add_count * ma.rdlength), ma.rdata, ma.rdlength);
-+ ++a->add_count;
-+ }
- }
-- memcpy(a->buf + (a->add_count * ma.rdlength), ma.rdata, ma.rdlength);
-- ++a->add_count;
-- }
-- }
-
- DPRINTF("Answer name = |%s|\n", a->dotted);
- DPRINTF("Answer type = |%d|\n", a->atype);
-@@ -900,48 +886,48 @@ int __dns_lookup(const char *name, int t
- free(lookup);
-
- /* Mess with globals while under lock */
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
- ns = local_ns;
- id = local_id;
-- UNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
-
- return (len); /* success! */
-
-- tryall:
-+ tryall:
- /* if there are other nameservers, give them a go,
- otherwise return with error */
- {
- variant = -1;
-- local_ns = (local_ns + 1) % nscount;
-- if (local_ns == 0)
-- retries++;
-+ local_ns = (local_ns + 1) % nscount;
-+ if (local_ns == 0)
-+ retries++;
-
-- continue;
-+ continue;
- }
-
-- again:
-+ again:
- /* if there are searchdomains, try them or fallback as passed */
- {
- int sdomains;
-- BIGLOCK;
-+ __UCLIBC_MUTEX_LOCK(__resolv_lock);
- sdomains=__searchdomains;
-- BIGUNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(__resolv_lock);
-
- if (variant < sdomains - 1) {
-- /* next search */
-- variant++;
-+ /* next search */
-+ variant++;
- } else {
-- /* next server, first search */
-- local_ns = (local_ns + 1) % nscount;
-- if (local_ns == 0)
-- retries++;
-+ /* next server, first search */
-+ local_ns = (local_ns + 1) % nscount;
-+ if (local_ns == 0)
-+ retries++;
-
-- variant = -1;
-+ variant = -1;
- }
- }
- }
-
--fail:
-+ fail:
- if (fd != -1)
- close(fd);
- if (lookup)
-@@ -951,10 +937,10 @@ fail:
- h_errno = NETDB_INTERNAL;
- /* Mess with globals while under lock */
- if (local_ns != -1) {
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
- ns = local_ns;
- id = local_id;
-- UNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
- }
- return -1;
- }
-@@ -966,9 +952,8 @@ int __nameservers;
- char * __nameserver[MAX_SERVERS];
- int __searchdomains;
- char * __searchdomain[MAX_SEARCH];
--#ifdef __UCLIBC_HAS_THREADS__
--pthread_mutex_t __resolv_lock = PTHREAD_MUTEX_INITIALIZER;
--#endif
-+
-+__UCLIBC_MUTEX_INIT(__resolv_lock, PTHREAD_MUTEX_INITIALIZER);
-
- /*
- * we currently read formats not quite the same as that on normal
-@@ -982,60 +967,63 @@ int __open_nameservers()
- #define RESOLV_ARGS 5
- char szBuffer[128], *p, *argv[RESOLV_ARGS];
- int argc;
-+ int rv = 0;
-
-- BIGLOCK;
-+ __UCLIBC_MUTEX_LOCK(__resolv_lock);
- if (__nameservers > 0) {
-- BIGUNLOCK;
-- return 0;
-+ goto DONE;
- }
-
- if ((fp = fopen("/etc/resolv.conf", "r")) ||
-- (fp = fopen("/etc/config/resolv.conf", "r")))
-- {
--
-- while (fgets(szBuffer, sizeof(szBuffer), fp) != NULL) {
-+ (fp = fopen("/etc/config/resolv.conf", "r")))
-+ {
-
-- for (p = szBuffer; *p && isspace(*p); p++)
-- /* skip white space */;
-- if (*p == '\0' || *p == '\n' || *p == '#') /* skip comments etc */
-- continue;
-- argc = 0;
-- while (*p && argc < RESOLV_ARGS) {
-- argv[argc++] = p;
-- while (*p && !isspace(*p) && *p != '\n')
-- p++;
-- while (*p && (isspace(*p) || *p == '\n')) /* remove spaces */
-- *p++ = '\0';
-- }
-+ while (fgets(szBuffer, sizeof(szBuffer), fp) != NULL) {
-
-- if (strcmp(argv[0], "nameserver") == 0) {
-- for (i = 1; i < argc && __nameservers < MAX_SERVERS; i++) {
-- __nameserver[__nameservers++] = strdup(argv[i]);
-- DPRINTF("adding nameserver %s\n", argv[i]);
-+ for (p = szBuffer; *p && isspace(*p); p++)
-+ /* skip white space */;
-+ if (*p == '\0' || *p == '\n' || *p == '#') /* skip comments etc */
-+ continue;
-+ argc = 0;
-+ while (*p && argc < RESOLV_ARGS) {
-+ argv[argc++] = p;
-+ while (*p && !isspace(*p) && *p != '\n')
-+ p++;
-+ while (*p && (isspace(*p) || *p == '\n')) /* remove spaces */
-+ *p++ = '\0';
- }
-- }
-
-- /* domain and search are mutually exclusive, the last one wins */
-- if (strcmp(argv[0],"domain")==0 || strcmp(argv[0],"search")==0) {
-- while (__searchdomains > 0) {
-- free(__searchdomain[--__searchdomains]);
-- __searchdomain[__searchdomains] = NULL;
-+ if (strcmp(argv[0], "nameserver") == 0) {
-+ for (i = 1; i < argc && __nameservers < MAX_SERVERS; i++) {
-+ __nameserver[__nameservers++] = strdup(argv[i]);
-+ DPRINTF("adding nameserver %s\n", argv[i]);
-+ }
- }
-- for (i=1; i < argc && __searchdomains < MAX_SEARCH; i++) {
-- __searchdomain[__searchdomains++] = strdup(argv[i]);
-- DPRINTF("adding search %s\n", argv[i]);
-+
-+ /* domain and search are mutually exclusive, the last one wins */
-+ if (strcmp(argv[0],"domain")==0 || strcmp(argv[0],"search")==0) {
-+ while (__searchdomains > 0) {
-+ free(__searchdomain[--__searchdomains]);
-+ __searchdomain[__searchdomains] = NULL;
-+ }
-+ for (i=1; i < argc && __searchdomains < MAX_SEARCH; i++) {
-+ __searchdomain[__searchdomains++] = strdup(argv[i]);
-+ DPRINTF("adding search %s\n", argv[i]);
-+ }
- }
- }
-+ fclose(fp);
-+ DPRINTF("nameservers = %d\n", __nameservers);
-+ goto DONE;
- }
-- fclose(fp);
-- DPRINTF("nameservers = %d\n", __nameservers);
-- BIGUNLOCK;
-- return 0;
-- }
- DPRINTF("failed to open %s\n", "resolv.conf");
- h_errno = NO_RECOVERY;
-- BIGUNLOCK;
-- return -1;
-+
-+ rv = -1;
-+
-+ DONE:
-+ __UCLIBC_MUTEX_UNLOCK(__resolv_lock);
-+ return rv;
- }
- #endif
-
-@@ -1044,7 +1032,7 @@ int __open_nameservers()
-
- void __close_nameservers(void)
- {
-- BIGLOCK;
-+ __UCLIBC_MUTEX_LOCK(__resolv_lock);
- while (__nameservers > 0) {
- free(__nameserver[--__nameservers]);
- __nameserver[__nameservers] = NULL;
-@@ -1053,7 +1041,7 @@ void __close_nameservers(void)
- free(__searchdomain[--__searchdomains]);
- __searchdomain[__searchdomains] = NULL;
- }
-- BIGUNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(__resolv_lock);
- }
- #endif
-
-@@ -1063,8 +1051,8 @@ struct hostent *gethostbyname(const char
- {
- static struct hostent h;
- static char buf[sizeof(struct in_addr) +
-- sizeof(struct in_addr *)*2 +
-- sizeof(char *)*(ALIAS_DIM) + 384/*namebuffer*/ + 32/* margin */];
-+ sizeof(struct in_addr *)*2 +
-+ sizeof(char *)*(ALIAS_DIM) + 384/*namebuffer*/ + 32/* margin */];
- struct hostent *hp;
-
- gethostbyname_r(name, &h, buf, sizeof(buf), &hp, &h_errno);
-@@ -1082,8 +1070,8 @@ struct hostent *gethostbyname2(const cha
- #else /* __UCLIBC_HAS_IPV6__ */
- static struct hostent h;
- static char buf[sizeof(struct in6_addr) +
-- sizeof(struct in6_addr *)*2 +
-- sizeof(char *)*(ALIAS_DIM) + 384/*namebuffer*/ + 32/* margin */];
-+ sizeof(struct in6_addr *)*2 +
-+ sizeof(char *)*(ALIAS_DIM) + 384/*namebuffer*/ + 32/* margin */];
- struct hostent *hp;
-
- gethostbyname2_r(name, family, &h, buf, sizeof(buf), &hp, &h_errno);
-@@ -1119,7 +1107,7 @@ int res_init(void)
- /** rp->rhook = NULL; **/
- /** rp->_u._ext.nsinit = 0; **/
-
-- BIGLOCK;
-+ __UCLIBC_MUTEX_LOCK(__resolv_lock);
- if(__searchdomains) {
- int i;
- for(i=0; i<__searchdomains; i++) {
-@@ -1139,7 +1127,7 @@ int res_init(void)
- }
- }
- rp->nscount = __nameservers;
-- BIGUNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(__resolv_lock);
-
- return(0);
- }
-@@ -1175,10 +1163,10 @@ int res_query(const char *dname, int cla
-
- memset((char *) &a, '\0', sizeof(a));
-
-- BIGLOCK;
-+ __UCLIBC_MUTEX_LOCK(__resolv_lock);
- __nameserversXX=__nameservers;
- __nameserverXX=__nameserver;
-- BIGUNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(__resolv_lock);
- i = __dns_lookup(dname, type, __nameserversXX, __nameserverXX, &packet, &a);
-
- if (i < 0) {
-@@ -1207,10 +1195,10 @@ int res_query(const char *dname, int cla
- * is detected. Error code, if any, is left in h_errno.
- */
- int res_search(name, class, type, answer, anslen)
-- const char *name; /* domain name */
-- int class, type; /* class and type of query */
-- u_char *answer; /* buffer to put answer */
-- int anslen; /* size of answer */
-+ const char *name; /* domain name */
-+ int class, type; /* class and type of query */
-+ u_char *answer; /* buffer to put answer */
-+ int anslen; /* size of answer */
- {
- const char *cp, * const *domain;
- HEADER *hp = (HEADER *)(void *)answer;
-@@ -1256,11 +1244,11 @@ int res_search(name, class, type, answer
- int done = 0;
-
- for (domain = (const char * const *)_res.dnsrch;
-- *domain && !done;
-- domain++) {
-+ *domain && !done;
-+ domain++) {
-
- ret = res_querydomain(name, *domain, class, type,
-- answer, anslen);
-+ answer, anslen);
- if (ret > 0)
- return (ret);
-
-@@ -1283,22 +1271,22 @@ int res_search(name, class, type, answer
- }
-
- switch (h_errno) {
-- case NO_DATA:
-- got_nodata++;
-- /* FALLTHROUGH */
-- case HOST_NOT_FOUND:
-- /* keep trying */
-- break;
-- case TRY_AGAIN:
-- if (hp->rcode == SERVFAIL) {
-- /* try next search element, if any */
-- got_servfail++;
-+ case NO_DATA:
-+ got_nodata++;
-+ /* FALLTHROUGH */
-+ case HOST_NOT_FOUND:
-+ /* keep trying */
- break;
-- }
-- /* FALLTHROUGH */
-- default:
-- /* anything else implies that we're done */
-- done++;
-+ case TRY_AGAIN:
-+ if (hp->rcode == SERVFAIL) {
-+ /* try next search element, if any */
-+ got_servfail++;
-+ break;
-+ }
-+ /* FALLTHROUGH */
-+ default:
-+ /* anything else implies that we're done */
-+ done++;
- }
- /*
- * if we got here for some reason other than DNSRCH,
-@@ -1342,10 +1330,10 @@ int res_search(name, class, type, answer
- * removing a trailing dot from name if domain is NULL.
- */
- int res_querydomain(name, domain, class, type, answer, anslen)
-- const char *name, *domain;
-- int class, type; /* class and type of query */
-- u_char *answer; /* buffer to put answer */
-- int anslen; /* size of answer */
-+ const char *name, *domain;
-+ int class, type; /* class and type of query */
-+ u_char *answer; /* buffer to put answer */
-+ int anslen; /* size of answer */
- {
- char nbuf[MAXDNAME];
- const char *longname = nbuf;
-@@ -1359,7 +1347,7 @@ int res_querydomain(name, domain, class,
- #ifdef DEBUG
- if (_res.options & RES_DEBUG)
- printf(";; res_querydomain(%s, %s, %d, %d)\n",
-- name, domain?domain:"<Nil>", class, type);
-+ name, domain?domain:"<Nil>", class, type);
- #endif
- if (domain == NULL) {
- /*
-@@ -1400,11 +1388,11 @@ struct hostent *gethostbyaddr (const voi
- static struct hostent h;
- static char buf[
- #ifndef __UCLIBC_HAS_IPV6__
-- sizeof(struct in_addr) + sizeof(struct in_addr *)*2 +
-+ sizeof(struct in_addr) + sizeof(struct in_addr *)*2 +
- #else
-- sizeof(struct in6_addr) + sizeof(struct in6_addr *)*2 +
-+ sizeof(struct in6_addr) + sizeof(struct in6_addr *)*2 +
- #endif /* __UCLIBC_HAS_IPV6__ */
-- sizeof(char *)*(ALIAS_DIM) + 384/*namebuffer*/ + 32/* margin */];
-+ sizeof(char *)*(ALIAS_DIM) + 384/*namebuffer*/ + 32/* margin */];
- struct hostent *hp;
-
- gethostbyaddr_r(addr, len, type, &h, buf, sizeof(buf), &hp, &h_errno);
-@@ -1425,11 +1413,11 @@ void __open_etc_hosts(FILE **fp)
- }
-
- int __read_etc_hosts_r(FILE * fp, const char * name, int type,
-- enum etc_hosts_action action,
-- struct hostent * result_buf,
-- char * buf, size_t buflen,
-- struct hostent ** result,
-- int * h_errnop)
-+ enum etc_hosts_action action,
-+ struct hostent * result_buf,
-+ char * buf, size_t buflen,
-+ struct hostent ** result,
-+ int * h_errnop)
- {
- struct in_addr *in=NULL;
- struct in_addr **addr_list=NULL;
-@@ -1576,56 +1564,49 @@ int __read_etc_hosts_r(FILE * fp, const
-
- #ifdef L_gethostent
-
--#ifdef __UCLIBC_HAS_THREADS__
--static pthread_mutex_t mylock = PTHREAD_MUTEX_INITIALIZER;
--# define LOCK __pthread_mutex_lock(&mylock)
--# define UNLOCK __pthread_mutex_unlock(&mylock);
--#else
--# define LOCK
--# define UNLOCK
--#endif
-+__UCLIBC_MUTEX_STATIC(mylock, PTHREAD_MUTEX_INITIALIZER);
-
- static int __stay_open;
- static FILE * __gethostent_fp;
-
- void endhostent (void)
- {
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
- __stay_open = 0;
- if (__gethostent_fp) {
-- fclose(__gethostent_fp);
-+ fclose(__gethostent_fp);
- }
-- UNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
- }
-
- void sethostent (int stay_open)
- {
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
- __stay_open = stay_open;
-- UNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
- }
-
- int gethostent_r(struct hostent *result_buf, char *buf, size_t buflen,
-- struct hostent **result, int *h_errnop)
-+ struct hostent **result, int *h_errnop)
- {
-- int ret;
-+ int ret = 0;
-
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
- if (__gethostent_fp == NULL) {
-- __open_etc_hosts(&__gethostent_fp);
-- if (__gethostent_fp == NULL) {
-- UNLOCK;
-- *result=NULL;
-- return 0;
-- }
-+ __open_etc_hosts(&__gethostent_fp);
-+ if (__gethostent_fp == NULL) {
-+ *result=NULL;
-+ goto DONE;
-+ }
- }
-
- ret = __read_etc_hosts_r(__gethostent_fp, NULL, AF_INET, GETHOSTENT,
-- result_buf, buf, buflen, result, h_errnop);
-+ result_buf, buf, buflen, result, h_errnop);
- if (__stay_open==0) {
-- fclose(__gethostent_fp);
-+ fclose(__gethostent_fp);
- }
-- UNLOCK;
-+ DONE:
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
- return(ret);
- }
-
-@@ -1634,17 +1615,17 @@ struct hostent *gethostent (void)
- static struct hostent h;
- static char buf[
- #ifndef __UCLIBC_HAS_IPV6__
-- sizeof(struct in_addr) + sizeof(struct in_addr *)*2 +
-+ sizeof(struct in_addr) + sizeof(struct in_addr *)*2 +
- #else
-- sizeof(struct in6_addr) + sizeof(struct in6_addr *)*2 +
-+ sizeof(struct in6_addr) + sizeof(struct in6_addr *)*2 +
- #endif /* __UCLIBC_HAS_IPV6__ */
-- sizeof(char *)*(ALIAS_DIM) +
-- 80/*namebuffer*/ + 2/* margin */];
-+ sizeof(char *)*(ALIAS_DIM) +
-+ 80/*namebuffer*/ + 2/* margin */];
- struct hostent *host;
-
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
- gethostent_r(&h, buf, sizeof(buf), &host, &h_errno);
-- UNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
- return(host);
- }
- #endif
-@@ -1652,23 +1633,23 @@ struct hostent *gethostent (void)
- #ifdef L_get_hosts_byname_r
-
- int __get_hosts_byname_r(const char * name, int type,
-- struct hostent * result_buf,
-- char * buf, size_t buflen,
-- struct hostent ** result,
-- int * h_errnop)
-+ struct hostent * result_buf,
-+ char * buf, size_t buflen,
-+ struct hostent ** result,
-+ int * h_errnop)
- {
- return(__read_etc_hosts_r(NULL, name, type, GET_HOSTS_BYNAME,
-- result_buf, buf, buflen, result, h_errnop));
-+ result_buf, buf, buflen, result, h_errnop));
- }
- #endif
-
- #ifdef L_get_hosts_byaddr_r
-
- int __get_hosts_byaddr_r(const char * addr, int len, int type,
-- struct hostent * result_buf,
-- char * buf, size_t buflen,
-- struct hostent ** result,
-- int * h_errnop)
-+ struct hostent * result_buf,
-+ char * buf, size_t buflen,
-+ struct hostent ** result,
-+ int * h_errnop)
- {
- #ifndef __UCLIBC_HAS_IPV6__
- char ipaddr[INET_ADDRSTRLEN];
-@@ -1677,24 +1658,24 @@ int __get_hosts_byaddr_r(const char * ad
- #endif /* __UCLIBC_HAS_IPV6__ */
-
- switch (type) {
-- case AF_INET:
-- if (len != sizeof(struct in_addr))
-- return 0;
-- break;
-+ case AF_INET:
-+ if (len != sizeof(struct in_addr))
-+ return 0;
-+ break;
- #ifdef __UCLIBC_HAS_IPV6__
-- case AF_INET6:
-- if (len != sizeof(struct in6_addr))
-- return 0;
-- break;
-+ case AF_INET6:
-+ if (len != sizeof(struct in6_addr))
-+ return 0;
-+ break;
- #endif /* __UCLIBC_HAS_IPV6__ */
-- default:
-- return 0;
-+ default:
-+ return 0;
- }
-
- inet_ntop(type, addr, ipaddr, sizeof(ipaddr));
-
- return(__read_etc_hosts_r(NULL, ipaddr, type, GET_HOSTS_BYADDR,
-- result_buf, buf, buflen, result, h_errnop));
-+ result_buf, buf, buflen, result, h_errnop));
- }
- #endif
-
-@@ -1705,8 +1686,8 @@ int __get_hosts_byaddr_r(const char * ad
- #endif /* min */
-
- int getnameinfo (const struct sockaddr *sa, socklen_t addrlen, char *host,
-- socklen_t hostlen, char *serv, socklen_t servlen,
-- unsigned int flags)
-+ socklen_t hostlen, char *serv, socklen_t servlen,
-+ unsigned int flags)
- {
- int serrno = errno;
- int ok = 0;
-@@ -1720,167 +1701,167 @@ int getnameinfo (const struct sockaddr *
- return EAI_FAMILY;
-
- switch (sa->sa_family) {
-- case AF_LOCAL:
-- break;
-- case AF_INET:
-- if (addrlen < sizeof (struct sockaddr_in))
-- return EAI_FAMILY;
-- break;
-+ case AF_LOCAL:
-+ break;
-+ case AF_INET:
-+ if (addrlen < sizeof (struct sockaddr_in))
-+ return EAI_FAMILY;
-+ break;
- #ifdef __UCLIBC_HAS_IPV6__
-- case AF_INET6:
-- if (addrlen < sizeof (struct sockaddr_in6))
-- return EAI_FAMILY;
-- break;
-+ case AF_INET6:
-+ if (addrlen < sizeof (struct sockaddr_in6))
-+ return EAI_FAMILY;
-+ break;
- #endif /* __UCLIBC_HAS_IPV6__ */
-- default:
-- return EAI_FAMILY;
-+ default:
-+ return EAI_FAMILY;
- }
-
- if (host != NULL && hostlen > 0)
- switch (sa->sa_family) {
-- case AF_INET:
-+ case AF_INET:
- #ifdef __UCLIBC_HAS_IPV6__
-- case AF_INET6:
-+ case AF_INET6:
- #endif /* __UCLIBC_HAS_IPV6__ */
-- if (!(flags & NI_NUMERICHOST)) {
-+ if (!(flags & NI_NUMERICHOST)) {
- #ifdef __UCLIBC_HAS_IPV6__
-- if (sa->sa_family == AF_INET6)
-- h = gethostbyaddr ((const void *)
-- &(((const struct sockaddr_in6 *) sa)->sin6_addr),
-- sizeof(struct in6_addr), AF_INET6);
-- else
--#endif /* __UCLIBC_HAS_IPV6__ */
-- h = gethostbyaddr ((const void *) &(((const struct sockaddr_in *)sa)->sin_addr),
-- sizeof(struct in_addr), AF_INET);
--
-- if (h) {
-- char *c;
-- if ((flags & NI_NOFQDN)
-- && (getdomainname (domain, sizeof(domain)) == 0)
-- && (c = strstr (h->h_name, domain))
-- && (c != h->h_name) && (*(--c) == '.')) {
-- strncpy (host, h->h_name,
-- min(hostlen, (size_t) (c - h->h_name)));
-- host[min(hostlen - 1, (size_t) (c - h->h_name))] = '\0';
-- ok = 1;
-- } else {
-- strncpy (host, h->h_name, hostlen);
-- ok = 1;
-+ if (sa->sa_family == AF_INET6)
-+ h = gethostbyaddr ((const void *)
-+ &(((const struct sockaddr_in6 *) sa)->sin6_addr),
-+ sizeof(struct in6_addr), AF_INET6);
-+ else
-+#endif /* __UCLIBC_HAS_IPV6__ */
-+ h = gethostbyaddr ((const void *) &(((const struct sockaddr_in *)sa)->sin_addr),
-+ sizeof(struct in_addr), AF_INET);
-+
-+ if (h) {
-+ char *c;
-+ if ((flags & NI_NOFQDN)
-+ && (getdomainname (domain, sizeof(domain)) == 0)
-+ && (c = strstr (h->h_name, domain))
-+ && (c != h->h_name) && (*(--c) == '.')) {
-+ strncpy (host, h->h_name,
-+ min(hostlen, (size_t) (c - h->h_name)));
-+ host[min(hostlen - 1, (size_t) (c - h->h_name))] = '\0';
-+ ok = 1;
-+ } else {
-+ strncpy (host, h->h_name, hostlen);
-+ ok = 1;
-+ }
- }
-- }
-- }
-+ }
-
-- if (!ok) {
-- if (flags & NI_NAMEREQD) {
-- errno = serrno;
-- return EAI_NONAME;
-- } else {
-- const char *c;
-+ if (!ok) {
-+ if (flags & NI_NAMEREQD) {
-+ errno = serrno;
-+ return EAI_NONAME;
-+ } else {
-+ const char *c;
- #ifdef __UCLIBC_HAS_IPV6__
-- if (sa->sa_family == AF_INET6) {
-- const struct sockaddr_in6 *sin6p;
-+ if (sa->sa_family == AF_INET6) {
-+ const struct sockaddr_in6 *sin6p;
-
-- sin6p = (const struct sockaddr_in6 *) sa;
-+ sin6p = (const struct sockaddr_in6 *) sa;
-
-- c = inet_ntop (AF_INET6,
-- (const void *) &sin6p->sin6_addr, host, hostlen);
-+ c = inet_ntop (AF_INET6,
-+ (const void *) &sin6p->sin6_addr, host, hostlen);
- #if 0
-- /* Does scope id need to be supported? */
-- uint32_t scopeid;
-- scopeid = sin6p->sin6_scope_id;
-- if (scopeid != 0) {
-- /* Buffer is >= IFNAMSIZ+1. */
-- char scopebuf[IFNAMSIZ + 1];
-- char *scopeptr;
-- int ni_numericscope = 0;
-- size_t real_hostlen = __strnlen (host, hostlen);
-- size_t scopelen = 0;
--
-- scopebuf[0] = SCOPE_DELIMITER;
-- scopebuf[1] = '\0';
-- scopeptr = &scopebuf[1];
--
-- if (IN6_IS_ADDR_LINKLOCAL (&sin6p->sin6_addr)
-- || IN6_IS_ADDR_MC_LINKLOCAL (&sin6p->sin6_addr)) {
-- if (if_indextoname (scopeid, scopeptr) == NULL)
-+ /* Does scope id need to be supported? */
-+ uint32_t scopeid;
-+ scopeid = sin6p->sin6_scope_id;
-+ if (scopeid != 0) {
-+ /* Buffer is >= IFNAMSIZ+1. */
-+ char scopebuf[IFNAMSIZ + 1];
-+ char *scopeptr;
-+ int ni_numericscope = 0;
-+ size_t real_hostlen = __strnlen (host, hostlen);
-+ size_t scopelen = 0;
-+
-+ scopebuf[0] = SCOPE_DELIMITER;
-+ scopebuf[1] = '\0';
-+ scopeptr = &scopebuf[1];
-+
-+ if (IN6_IS_ADDR_LINKLOCAL (&sin6p->sin6_addr)
-+ || IN6_IS_ADDR_MC_LINKLOCAL (&sin6p->sin6_addr)) {
-+ if (if_indextoname (scopeid, scopeptr) == NULL)
-+ ++ni_numericscope;
-+ else
-+ scopelen = strlen (scopebuf);
-+ } else {
- ++ni_numericscope;
-- else
-- scopelen = strlen (scopebuf);
-- } else {
-- ++ni_numericscope;
-- }
-+ }
-
-- if (ni_numericscope)
-- scopelen = 1 + snprintf (scopeptr,
-- (scopebuf
-- + sizeof scopebuf
-- - scopeptr),
-- "%u", scopeid);
--
-- if (real_hostlen + scopelen + 1 > hostlen)
-- return EAI_SYSTEM;
-- memcpy (host + real_hostlen, scopebuf, scopelen + 1);
-- }
-+ if (ni_numericscope)
-+ scopelen = 1 + snprintf (scopeptr,
-+ (scopebuf
-+ + sizeof scopebuf
-+ - scopeptr),
-+ "%u", scopeid);
-+
-+ if (real_hostlen + scopelen + 1 > hostlen)
-+ return EAI_SYSTEM;
-+ memcpy (host + real_hostlen, scopebuf, scopelen + 1);
-+ }
- #endif
-- } else
-+ } else
- #endif /* __UCLIBC_HAS_IPV6__ */
-- c = inet_ntop (AF_INET, (const void *)
-- &(((const struct sockaddr_in *) sa)->sin_addr),
-- host, hostlen);
--
-- if (c == NULL) {
-- errno = serrno;
-- return EAI_SYSTEM;
-+ c = inet_ntop (AF_INET, (const void *)
-+ &(((const struct sockaddr_in *) sa)->sin_addr),
-+ host, hostlen);
-+
-+ if (c == NULL) {
-+ errno = serrno;
-+ return EAI_SYSTEM;
-+ }
- }
-+ ok = 1;
- }
-- ok = 1;
-- }
-- break;
--
-- case AF_LOCAL:
-- if (!(flags & NI_NUMERICHOST)) {
-- struct utsname utsname;
-+ break;
-
-- if (!uname (&utsname)) {
-- strncpy (host, utsname.nodename, hostlen);
-- break;
-+ case AF_LOCAL:
-+ if (!(flags & NI_NUMERICHOST)) {
-+ struct utsname utsname;
-+
-+ if (!uname (&utsname)) {
-+ strncpy (host, utsname.nodename, hostlen);
-+ break;
-+ };
- };
-- };
-
-- if (flags & NI_NAMEREQD) {
-- errno = serrno;
-- return EAI_NONAME;
-- }
-+ if (flags & NI_NAMEREQD) {
-+ errno = serrno;
-+ return EAI_NONAME;
-+ }
-
-- strncpy (host, "localhost", hostlen);
-- break;
-+ strncpy (host, "localhost", hostlen);
-+ break;
-
-- default:
-- return EAI_FAMILY;
-- }
-+ default:
-+ return EAI_FAMILY;
-+ }
-
- if (serv && (servlen > 0)) {
- switch (sa->sa_family) {
-- case AF_INET:
-+ case AF_INET:
- #ifdef __UCLIBC_HAS_IPV6__
-- case AF_INET6:
-+ case AF_INET6:
- #endif /* __UCLIBC_HAS_IPV6__ */
-- if (!(flags & NI_NUMERICSERV)) {
-- struct servent *s;
-- s = getservbyport (((const struct sockaddr_in *) sa)->sin_port,
-- ((flags & NI_DGRAM) ? "udp" : "tcp"));
-- if (s) {
-- strncpy (serv, s->s_name, servlen);
-- break;
-+ if (!(flags & NI_NUMERICSERV)) {
-+ struct servent *s;
-+ s = getservbyport (((const struct sockaddr_in *) sa)->sin_port,
-+ ((flags & NI_DGRAM) ? "udp" : "tcp"));
-+ if (s) {
-+ strncpy (serv, s->s_name, servlen);
-+ break;
-+ }
- }
-- }
-- snprintf (serv, servlen, "%d",
-- ntohs (((const struct sockaddr_in *) sa)->sin_port));
-- break;
-+ snprintf (serv, servlen, "%d",
-+ ntohs (((const struct sockaddr_in *) sa)->sin_port));
-+ break;
-
-- case AF_LOCAL:
-- strncpy (serv, ((const struct sockaddr_un *) sa)->sun_path, servlen);
-- break;
-+ case AF_LOCAL:
-+ strncpy (serv, ((const struct sockaddr_un *) sa)->sun_path, servlen);
-+ break;
- }
- }
- if (host && (hostlen > 0))
-@@ -1896,10 +1877,10 @@ int getnameinfo (const struct sockaddr *
- #ifdef L_gethostbyname_r
-
- int gethostbyname_r(const char * name,
-- struct hostent * result_buf,
-- char * buf, size_t buflen,
-- struct hostent ** result,
-- int * h_errnop)
-+ struct hostent * result_buf,
-+ char * buf, size_t buflen,
-+ struct hostent ** result,
-+ int * h_errnop)
- {
- struct in_addr *in;
- struct in_addr **addr_list;
-@@ -1921,7 +1902,7 @@ int gethostbyname_r(const char * name,
- __set_errno(0); /* to check for missing /etc/hosts. */
-
- if ((i=__get_hosts_byname_r(name, AF_INET, result_buf,
-- buf, buflen, result, h_errnop))==0)
-+ buf, buflen, result, h_errnop))==0)
- return i;
- switch (*h_errnop) {
- case HOST_NOT_FOUND:
-@@ -1983,60 +1964,60 @@ int gethostbyname_r(const char * name,
-
- for (;;) {
-
-- BIGLOCK;
-+ __UCLIBC_MUTEX_LOCK(__resolv_lock);
- __nameserversXX=__nameservers;
- __nameserverXX=__nameserver;
-- BIGUNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(__resolv_lock);
- a.buf = buf;
- a.buflen = buflen;
- a.add_count = 0;
- i = __dns_lookup(name, T_A, __nameserversXX, __nameserverXX, &packet, &a);
-
- if (i < 0) {
-- *h_errnop = HOST_NOT_FOUND;
-- DPRINTF("__dns_lookup\n");
-- return TRY_AGAIN;
-+ *h_errnop = HOST_NOT_FOUND;
-+ DPRINTF("__dns_lookup\n");
-+ return TRY_AGAIN;
- }
-
- if ((a.rdlength + sizeof(struct in_addr*)) * a.add_count + 256 > buflen)
-- {
-- free(a.dotted);
-- free(packet);
-- *h_errnop = NETDB_INTERNAL;
-- DPRINTF("buffer too small for all addresses\n");
-- return ERANGE;
-- }
-+ {
-+ free(a.dotted);
-+ free(packet);
-+ *h_errnop = NETDB_INTERNAL;
-+ DPRINTF("buffer too small for all addresses\n");
-+ return ERANGE;
-+ }
- else if(a.add_count > 0)
-- {
-- memmove(buf - sizeof(struct in_addr*)*2, buf, a.add_count * a.rdlength);
-- addr_list = (struct in_addr**)(buf + a.add_count * a.rdlength);
-- addr_list[0] = in;
-- for (i = a.add_count-1; i>=0; --i)
-- addr_list[i+1] = (struct in_addr*)(buf - sizeof(struct in_addr*)*2 + a.rdlength * i);
-- addr_list[a.add_count + 1] = 0;
-- buflen -= (((char*)&(addr_list[a.add_count + 2])) - buf);
-- buf = (char*)&addr_list[a.add_count + 2];
-- }
-+ {
-+ memmove(buf - sizeof(struct in_addr*)*2, buf, a.add_count * a.rdlength);
-+ addr_list = (struct in_addr**)(buf + a.add_count * a.rdlength);
-+ addr_list[0] = in;
-+ for (i = a.add_count-1; i>=0; --i)
-+ addr_list[i+1] = (struct in_addr*)(buf - sizeof(struct in_addr*)*2 + a.rdlength * i);
-+ addr_list[a.add_count + 1] = 0;
-+ buflen -= (((char*)&(addr_list[a.add_count + 2])) - buf);
-+ buf = (char*)&addr_list[a.add_count + 2];
-+ }
-
- strncpy(buf, a.dotted, buflen);
- free(a.dotted);
-
- if (a.atype == T_A) { /* ADDRESS */
-- memcpy(in, a.rdata, sizeof(*in));
-- result_buf->h_name = buf;
-- result_buf->h_addrtype = AF_INET;
-- result_buf->h_length = sizeof(*in);
-- result_buf->h_addr_list = (char **) addr_list;
-+ memcpy(in, a.rdata, sizeof(*in));
-+ result_buf->h_name = buf;
-+ result_buf->h_addrtype = AF_INET;
-+ result_buf->h_length = sizeof(*in);
-+ result_buf->h_addr_list = (char **) addr_list;
- #ifdef __UCLIBC_MJN3_ONLY__
- #warning TODO -- generate the full list
- #endif
-- result_buf->h_aliases = alias; /* TODO: generate the full list */
-- free(packet);
-- break;
-+ result_buf->h_aliases = alias; /* TODO: generate the full list */
-+ free(packet);
-+ break;
- } else {
-- free(packet);
-- *h_errnop=HOST_NOT_FOUND;
-- return TRY_AGAIN;
-+ free(packet);
-+ *h_errnop=HOST_NOT_FOUND;
-+ return TRY_AGAIN;
- }
- }
-
-@@ -2049,14 +2030,14 @@ int gethostbyname_r(const char * name,
- #ifdef L_gethostbyname2_r
-
- int gethostbyname2_r(const char *name, int family,
-- struct hostent * result_buf,
-- char * buf, size_t buflen,
-- struct hostent ** result,
-- int * h_errnop)
-+ struct hostent * result_buf,
-+ char * buf, size_t buflen,
-+ struct hostent ** result,
-+ int * h_errnop)
- {
- #ifndef __UCLIBC_HAS_IPV6__
- return family == (AF_INET)? gethostbyname_r(name, result_buf,
-- buf, buflen, result, h_errnop) : HOST_NOT_FOUND;
-+ buf, buflen, result, h_errnop) : HOST_NOT_FOUND;
- #else /* __UCLIBC_HAS_IPV6__ */
- struct in6_addr *in;
- struct in6_addr **addr_list;
-@@ -2084,7 +2065,7 @@ int gethostbyname2_r(const char *name, i
- __set_errno(0); /* to check for missing /etc/hosts. */
-
- if ((i=__get_hosts_byname_r(name, AF_INET, result_buf,
-- buf, buflen, result, h_errnop))==0)
-+ buf, buflen, result, h_errnop))==0)
- return i;
- switch (*h_errnop) {
- case HOST_NOT_FOUND:
-@@ -2137,10 +2118,10 @@ int gethostbyname2_r(const char *name, i
- memset((char *) &a, '\0', sizeof(a));
-
- for (;;) {
-- BIGLOCK;
-- __nameserversXX=__nameservers;
-- __nameserverXX=__nameserver;
-- BIGUNLOCK;
-+ __UCLIBC_MUTEX_LOCK(__resolv_lock);
-+ __nameserversXX=__nameservers;
-+ __nameserverXX=__nameserver;
-+ __UCLIBC_MUTEX_UNLOCK(__resolv_lock);
-
- i = __dns_lookup(buf, T_AAAA, __nameserversXX, __nameserverXX, &packet, &a);
-
-@@ -2190,10 +2171,10 @@ int gethostbyname2_r(const char *name, i
-
- #ifdef L_gethostbyaddr_r
- int gethostbyaddr_r (const void *addr, socklen_t len, int type,
-- struct hostent * result_buf,
-- char * buf, size_t buflen,
-- struct hostent ** result,
-- int * h_errnop)
-+ struct hostent * result_buf,
-+ char * buf, size_t buflen,
-+ struct hostent ** result,
-+ int * h_errnop)
-
- {
- struct in_addr *in;
-@@ -2234,7 +2215,7 @@ int gethostbyaddr_r (const void *addr, s
-
- /* do /etc/hosts first */
- if ((i=__get_hosts_byaddr_r(addr, len, type, result_buf,
-- buf, buflen, result, h_errnop))==0)
-+ buf, buflen, result, h_errnop))==0)
- return i;
- switch (*h_errnop) {
- case HOST_NOT_FOUND:
-@@ -2294,7 +2275,7 @@ int gethostbyaddr_r (const void *addr, s
- addr_list[0] = in;
-
- sprintf(buf, "%u.%u.%u.%u.in-addr.arpa",
-- tmp_addr[3], tmp_addr[2], tmp_addr[1], tmp_addr[0]);
-+ tmp_addr[3], tmp_addr[2], tmp_addr[1], tmp_addr[0]);
- #ifdef __UCLIBC_HAS_IPV6__
- } else {
- memcpy(in6->s6_addr, addr, len);
-@@ -2304,7 +2285,7 @@ int gethostbyaddr_r (const void *addr, s
-
- for (i = len - 1; i >= 0; i--) {
- qp += sprintf(qp, "%x.%x.", in6->s6_addr[i] & 0xf,
-- (in6->s6_addr[i] >> 4) & 0xf);
-+ (in6->s6_addr[i] >> 4) & 0xf);
- }
- strcpy(qp, "ip6.int");
- #endif /* __UCLIBC_HAS_IPV6__ */
-@@ -2314,10 +2295,10 @@ int gethostbyaddr_r (const void *addr, s
-
- for (;;) {
-
-- BIGLOCK;
-- __nameserversXX=__nameservers;
-- __nameserverXX=__nameserver;
-- BIGUNLOCK;
-+ __UCLIBC_MUTEX_LOCK(__resolv_lock);
-+ __nameserversXX=__nameservers;
-+ __nameserverXX=__nameserver;
-+ __UCLIBC_MUTEX_UNLOCK(__resolv_lock);
- i = __dns_lookup(buf, T_PTR, __nameserversXX, __nameserverXX, &packet, &a);
-
- if (i < 0) {
-@@ -2381,7 +2362,7 @@ int gethostbyaddr_r (const void *addr, s
- * Return size of compressed name or -1 if there was an error.
- */
- int __dn_expand(const u_char *msg, const u_char *eom, const u_char *src,
-- char *dst, int dstsiz)
-+ char *dst, int dstsiz)
- {
- int n = ns_name_uncompress(msg, eom, src, dst, (size_t)dstsiz);
-
-@@ -2401,7 +2382,7 @@ int __dn_expand(const u_char *msg, const
- */
- static int printable(int ch)
- {
-- return (ch > 0x20 && ch < 0x7f);
-+ return (ch > 0x20 && ch < 0x7f);
- }
-
- /*
-@@ -2413,18 +2394,18 @@ static int printable(int ch)
- */
- static int special(int ch)
- {
-- switch (ch) {
-+ switch (ch) {
- case 0x22: /* '"' */
- case 0x2E: /* '.' */
- case 0x3B: /* ';' */
- case 0x5C: /* '\\' */
-- /* Special modifiers in zone files. */
-+ /* Special modifiers in zone files. */
- case 0x40: /* '@' */
- case 0x24: /* '$' */
-- return (1);
-+ return (1);
- default:
-- return (0);
-- }
-+ return (0);
-+ }
- }
-
- /*
-@@ -2436,7 +2417,7 @@ static int special(int ch)
- * Root domain returns as "." not "".
- */
- int __ns_name_uncompress(const u_char *msg, const u_char *eom,
-- const u_char *src, char *dst, size_t dstsiz)
-+ const u_char *src, char *dst, size_t dstsiz)
- {
- u_char tmp[NS_MAXCDNAME];
- int n;
-@@ -2525,7 +2506,7 @@ int __ns_name_ntop(const u_char *src, ch
- return (-1);
- }
- *dn++ = '\0';
-- return (dn - dst);
-+ return (dn - dst);
- }
-
- /*
-@@ -2535,7 +2516,7 @@ int __ns_name_ntop(const u_char *src, ch
- * -1 if it fails, or consumed octets if it succeeds.
- */
- int __ns_name_unpack(const u_char *msg, const u_char *eom, const u_char *src,
-- u_char *dst, size_t dstsiz)
-+ u_char *dst, size_t dstsiz)
- {
- const u_char *srcp, *dstlim;
- u_char *dstp;
-@@ -2554,46 +2535,46 @@ int __ns_name_unpack(const u_char *msg,
- while ((n = *srcp++) != 0) {
- /* Check for indirection. */
- switch (n & NS_CMPRSFLGS) {
-- case 0:
-- /* Limit checks. */
-- if (dstp + n + 1 >= dstlim || srcp + n >= eom) {
-- __set_errno (EMSGSIZE);
-- return (-1);
-- }
-- checked += n + 1;
-- *dstp++ = n;
-- memcpy(dstp, srcp, n);
-- dstp += n;
-- srcp += n;
-- break;
-+ case 0:
-+ /* Limit checks. */
-+ if (dstp + n + 1 >= dstlim || srcp + n >= eom) {
-+ __set_errno (EMSGSIZE);
-+ return (-1);
-+ }
-+ checked += n + 1;
-+ *dstp++ = n;
-+ memcpy(dstp, srcp, n);
-+ dstp += n;
-+ srcp += n;
-+ break;
-
-- case NS_CMPRSFLGS:
-- if (srcp >= eom) {
-- __set_errno (EMSGSIZE);
-- return (-1);
-- }
-- if (len < 0)
-- len = srcp - src + 1;
-- srcp = msg + (((n & 0x3f) << 8) | (*srcp & 0xff));
-- if (srcp < msg || srcp >= eom) { /* Out of range. */
-- __set_errno (EMSGSIZE);
-- return (-1);
-- }
-- checked += 2;
-- /*
-- * Check for loops in the compressed name;
-- * if we've looked at the whole message,
-- * there must be a loop.
-- */
-- if (checked >= eom - msg) {
-- __set_errno (EMSGSIZE);
-- return (-1);
-- }
-- break;
-+ case NS_CMPRSFLGS:
-+ if (srcp >= eom) {
-+ __set_errno (EMSGSIZE);
-+ return (-1);
-+ }
-+ if (len < 0)
-+ len = srcp - src + 1;
-+ srcp = msg + (((n & 0x3f) << 8) | (*srcp & 0xff));
-+ if (srcp < msg || srcp >= eom) { /* Out of range. */
-+ __set_errno (EMSGSIZE);
-+ return (-1);
-+ }
-+ checked += 2;
-+ /*
-+ * Check for loops in the compressed name;
-+ * if we've looked at the whole message,
-+ * there must be a loop.
-+ */
-+ if (checked >= eom - msg) {
-+ __set_errno (EMSGSIZE);
-+ return (-1);
-+ }
-+ break;
-
-- default:
-- __set_errno (EMSGSIZE);
-- return (-1); /* flag error */
-+ default:
-+ __set_errno (EMSGSIZE);
-+ return (-1); /* flag error */
- }
- }
- *dstp = '\0';
-diff --git a/libc/inet/rpc/create_xid.c b/libc/inet/rpc/create_xid.c
-index cbb961e..c86cbb4 100644
---- a/libc/inet/rpc/create_xid.c
-+++ b/libc/inet/rpc/create_xid.c
-@@ -27,15 +27,7 @@
-
- /* The RPC code is not threadsafe, but new code should be threadsafe. */
-
--#ifdef __UCLIBC_HAS_THREADS__
--#include <pthread.h>
--static pthread_mutex_t createxid_lock = PTHREAD_MUTEX_INITIALIZER;
--# define LOCK __pthread_mutex_lock(&createxid_lock)
--# define UNLOCK __pthread_mutex_unlock(&createxid_lock);
--#else
--# define LOCK
--# define UNLOCK
--#endif
-+__UCLIBC_MUTEX_STATIC(mylock, PTHREAD_MUTEX_INITIALIZER);
-
- static int is_initialized;
- static struct drand48_data __rpc_lrand48_data;
-@@ -43,22 +35,22 @@ static struct drand48_data __rpc_lrand48
- unsigned long
- _create_xid (void)
- {
-- unsigned long res;
-+ unsigned long res;
-
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
-
-- if (!is_initialized)
-- {
-- struct timeval now;
-+ if (!is_initialized)
-+ {
-+ struct timeval now;
-
-- gettimeofday (&now, (struct timezone *) 0);
-- srand48_r (now.tv_sec ^ now.tv_usec, &__rpc_lrand48_data);
-- is_initialized = 1;
-- }
-+ gettimeofday (&now, (struct timezone *) 0);
-+ srand48_r (now.tv_sec ^ now.tv_usec, &__rpc_lrand48_data);
-+ is_initialized = 1;
-+ }
-
-- lrand48_r (&__rpc_lrand48_data, &res);
-+ lrand48_r (&__rpc_lrand48_data, &res);
-
-- UNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
-
-- return res;
-+ return res;
- }
-diff --git a/libc/misc/dirent/closedir.c b/libc/misc/dirent/closedir.c
-index 068e2d3..56adb23 100644
---- a/libc/misc/dirent/closedir.c
-+++ b/libc/misc/dirent/closedir.c
-@@ -4,7 +4,6 @@
- #include <unistd.h>
- #include "dirstream.h"
-
--
- int closedir(DIR * dir)
- {
- int fd;
-@@ -19,14 +18,10 @@ int closedir(DIR * dir)
- __set_errno(EBADF);
- return -1;
- }
--#ifdef __UCLIBC_HAS_THREADS__
-- __pthread_mutex_lock(&(dir->dd_lock));
--#endif
-+ __UCLIBC_MUTEX_LOCK(dir->dd_lock);
- fd = dir->dd_fd;
- dir->dd_fd = -1;
--#ifdef __UCLIBC_HAS_THREADS__
-- __pthread_mutex_unlock(&(dir->dd_lock));
--#endif
-+ __UCLIBC_MUTEX_UNLOCK(dir->dd_lock);
- free(dir->dd_buf);
- free(dir);
- return close(fd);
-diff --git a/libc/misc/dirent/dirstream.h b/libc/misc/dirent/dirstream.h
-index 2dd0264..bd721c5 100644
---- a/libc/misc/dirent/dirstream.h
-+++ b/libc/misc/dirent/dirstream.h
-@@ -26,9 +26,8 @@ Cambridge, MA 02139, USA. */
-
- #include <features.h>
- #include <sys/types.h>
--#ifdef __UCLIBC_HAS_THREADS__
--#include <pthread.h>
--#endif
-+
-+#include <bits/uClibc_mutex.h>
-
- /* For now, syscall readdir () only supports one entry at a time. It
- * will be changed in the future.
-@@ -63,11 +62,7 @@ struct __dirstream {
- size_t dd_max;
-
- /* lock */
--#ifdef __UCLIBC_HAS_THREADS__
-- pthread_mutex_t dd_lock;
--#else
-- void *dd_lock;
--#endif
-+ __UCLIBC_MUTEX(dd_lock);
- }; /* stream data from opendir() */
-
-
-diff --git a/libc/misc/dirent/readdir.c b/libc/misc/dirent/readdir.c
-index 1f196e1..c55317a 100644
---- a/libc/misc/dirent/readdir.c
-+++ b/libc/misc/dirent/readdir.c
-@@ -5,7 +5,6 @@
- #include <dirent.h>
- #include "dirstream.h"
-
--
- struct dirent *readdir(DIR * dir)
- {
- ssize_t bytes;
-@@ -16,9 +15,7 @@ struct dirent *readdir(DIR * dir)
- return NULL;
- }
-
--#ifdef __UCLIBC_HAS_THREADS__
-- __pthread_mutex_lock(&(dir->dd_lock));
--#endif
-+ __UCLIBC_MUTEX_LOCK(dir->dd_lock);
-
- do {
- if (dir->dd_size <= dir->dd_nextloc) {
-@@ -44,8 +41,6 @@ struct dirent *readdir(DIR * dir)
- } while (de->d_ino == 0);
-
- all_done:
--#ifdef __UCLIBC_HAS_THREADS__
-- __pthread_mutex_unlock(&(dir->dd_lock));
--#endif
-+ __UCLIBC_MUTEX_UNLOCK(dir->dd_lock);
- return de;
- }
-diff --git a/libc/misc/dirent/readdir64.c b/libc/misc/dirent/readdir64.c
-index f798c6f..6da3b0d 100644
---- a/libc/misc/dirent/readdir64.c
-+++ b/libc/misc/dirent/readdir64.c
-@@ -20,7 +20,6 @@
- #include <dirent.h>
- #include "dirstream.h"
-
--
- struct dirent64 *readdir64(DIR * dir)
- {
- ssize_t bytes;
-@@ -31,9 +30,7 @@ struct dirent64 *readdir64(DIR * dir)
- return NULL;
- }
-
--#ifdef __UCLIBC_HAS_THREADS__
-- __pthread_mutex_lock(&(dir->dd_lock));
--#endif
-+ __UCLIBC_MUTEX_LOCK(dir->dd_lock);
-
- do {
- if (dir->dd_size <= dir->dd_nextloc) {
-@@ -59,9 +56,7 @@ struct dirent64 *readdir64(DIR * dir)
- } while (de->d_ino == 0);
-
- all_done:
--#ifdef __UCLIBC_HAS_THREADS__
-- __pthread_mutex_unlock(&(dir->dd_lock));
--#endif
-+ __UCLIBC_MUTEX_UNLOCK(dir->dd_lock);
-
- return de;
- }
-diff --git a/libc/misc/dirent/readdir64_r.c b/libc/misc/dirent/readdir64_r.c
-index da3564e..cc96eff 100644
---- a/libc/misc/dirent/readdir64_r.c
-+++ b/libc/misc/dirent/readdir64_r.c
-@@ -19,7 +19,6 @@
- #include <dirent.h>
- #include "dirstream.h"
-
--
- int readdir64_r(DIR *dir, struct dirent64 *entry, struct dirent64 **result)
- {
- int ret;
-@@ -32,21 +31,19 @@ int readdir64_r(DIR *dir, struct dirent6
- }
- de = NULL;
-
--#ifdef __UCLIBC_HAS_THREADS__
-- __pthread_mutex_lock(&(dir->dd_lock));
--#endif
-+ __UCLIBC_MUTEX_LOCK(dir->dd_lock);
-
- do {
- if (dir->dd_size <= dir->dd_nextloc) {
-- /* read dir->dd_max bytes of directory entries. */
-- bytes = __getdents64(dir->dd_fd, dir->dd_buf, dir->dd_max);
-- if (bytes <= 0) {
-- *result = NULL;
-- ret = errno;
-- goto all_done;
-- }
-- dir->dd_size = bytes;
-- dir->dd_nextloc = 0;
-+ /* read dir->dd_max bytes of directory entries. */
-+ bytes = __getdents64(dir->dd_fd, dir->dd_buf, dir->dd_max);
-+ if (bytes <= 0) {
-+ *result = NULL;
-+ ret = errno;
-+ goto all_done;
-+ }
-+ dir->dd_size = bytes;
-+ dir->dd_nextloc = 0;
- }
-
- de = (struct dirent64 *) (((char *) dir->dd_buf) + dir->dd_nextloc);
-@@ -66,12 +63,10 @@ int readdir64_r(DIR *dir, struct dirent6
- }
- ret = 0;
-
--all_done:
-+ all_done:
-
--#ifdef __UCLIBC_HAS_THREADS__
-- __pthread_mutex_unlock(&(dir->dd_lock));
--#endif
-- return((de != NULL)? 0 : ret);
-+ __UCLIBC_MUTEX_UNLOCK(dir->dd_lock);
-+ return((de != NULL)? 0 : ret);
- }
- #endif /* __UCLIBC_HAS_LFS__ */
-
-diff --git a/libc/misc/dirent/readdir_r.c b/libc/misc/dirent/readdir_r.c
-index 245dcbd..aeccdd8 100644
---- a/libc/misc/dirent/readdir_r.c
-+++ b/libc/misc/dirent/readdir_r.c
-@@ -5,7 +5,6 @@
- #include <dirent.h>
- #include "dirstream.h"
-
--
- int readdir_r(DIR *dir, struct dirent *entry, struct dirent **result)
- {
- int ret;
-@@ -18,21 +17,19 @@ int readdir_r(DIR *dir, struct dirent *e
- }
- de = NULL;
-
--#ifdef __UCLIBC_HAS_THREADS__
-- __pthread_mutex_lock(&(dir->dd_lock));
--#endif
-+ __UCLIBC_MUTEX_LOCK(dir->dd_lock);
-
- do {
- if (dir->dd_size <= dir->dd_nextloc) {
-- /* read dir->dd_max bytes of directory entries. */
-- bytes = __getdents(dir->dd_fd, dir->dd_buf, dir->dd_max);
-- if (bytes <= 0) {
-- *result = NULL;
-- ret = errno;
-- goto all_done;
-- }
-- dir->dd_size = bytes;
-- dir->dd_nextloc = 0;
-+ /* read dir->dd_max bytes of directory entries. */
-+ bytes = __getdents(dir->dd_fd, dir->dd_buf, dir->dd_max);
-+ if (bytes <= 0) {
-+ *result = NULL;
-+ ret = errno;
-+ goto all_done;
-+ }
-+ dir->dd_size = bytes;
-+ dir->dd_nextloc = 0;
- }
-
- de = (struct dirent *) (((char *) dir->dd_buf) + dir->dd_nextloc);
-@@ -52,10 +49,8 @@ int readdir_r(DIR *dir, struct dirent *e
- }
- ret = 0;
-
--all_done:
-+ all_done:
-
--#ifdef __UCLIBC_HAS_THREADS__
-- __pthread_mutex_unlock(&(dir->dd_lock));
--#endif
-- return((de != NULL)? 0 : ret);
-+ __UCLIBC_MUTEX_UNLOCK(dir->dd_lock);
-+ return((de != NULL)? 0 : ret);
- }
-diff --git a/libc/misc/dirent/rewinddir.c b/libc/misc/dirent/rewinddir.c
-index 60ef71d..fe8fc2a 100644
---- a/libc/misc/dirent/rewinddir.c
-+++ b/libc/misc/dirent/rewinddir.c
-@@ -3,7 +3,6 @@
- #include <unistd.h>
- #include "dirstream.h"
-
--
- /* rewinddir() just does an lseek(fd,0,0) - see close for comments */
- void rewinddir(DIR * dir)
- {
-@@ -11,12 +10,8 @@ void rewinddir(DIR * dir)
- __set_errno(EBADF);
- return;
- }
--#ifdef __UCLIBC_HAS_THREADS__
-- __pthread_mutex_lock(&(dir->dd_lock));
--#endif
-+ __UCLIBC_MUTEX_LOCK(dir->dd_lock);
- lseek(dir->dd_fd, 0, SEEK_SET);
- dir->dd_nextoff = dir->dd_nextloc = dir->dd_size = 0;
--#ifdef __UCLIBC_HAS_THREADS__
-- __pthread_mutex_unlock(&(dir->dd_lock));
--#endif
-+ __UCLIBC_MUTEX_UNLOCK(dir->dd_lock);
- }
-diff --git a/libc/misc/dirent/seekdir.c b/libc/misc/dirent/seekdir.c
-index 139f1e1..6d6f5f0 100644
---- a/libc/misc/dirent/seekdir.c
-+++ b/libc/misc/dirent/seekdir.c
-@@ -3,19 +3,14 @@
- #include <unistd.h>
- #include "dirstream.h"
-
--
- void seekdir(DIR * dir, long int offset)
- {
- if (!dir) {
- __set_errno(EBADF);
- return;
- }
--#ifdef __UCLIBC_HAS_THREADS__
-- __pthread_mutex_lock(&(dir->dd_lock));
--#endif
-+ __UCLIBC_MUTEX_LOCK(dir->dd_lock);
- dir->dd_nextoff = lseek(dir->dd_fd, offset, SEEK_SET);
- dir->dd_size = dir->dd_nextloc = 0;
--#ifdef __UCLIBC_HAS_THREADS__
-- __pthread_mutex_unlock(&(dir->dd_lock));
--#endif
-+ __UCLIBC_MUTEX_UNLOCK(dir->dd_lock);
- }
-diff --git a/libc/misc/mntent/mntent.c b/libc/misc/mntent/mntent.c
-index d98a687..af6d848 100644
---- a/libc/misc/mntent/mntent.c
-+++ b/libc/misc/mntent/mntent.c
-@@ -3,15 +3,9 @@
- #include <string.h>
- #include <mntent.h>
-
--#ifdef __UCLIBC_HAS_THREADS__
--#include <pthread.h>
--static pthread_mutex_t mylock = PTHREAD_MUTEX_INITIALIZER;
--# define LOCK __pthread_mutex_lock(&mylock)
--# define UNLOCK __pthread_mutex_unlock(&mylock);
--#else
--# define LOCK
--# define UNLOCK
--#endif
-+#include <bits/uClibc_mutex.h>
-+
-+__UCLIBC_MUTEX_STATIC(mylock, PTHREAD_MUTEX_INITIALIZER);
-
- /* Reentrant version of getmntent. */
- struct mntent *getmntent_r (FILE *filep,
-@@ -67,7 +61,7 @@ struct mntent *getmntent(FILE * filep)
- struct mntent *tmp;
- static char *buff = NULL;
- static struct mntent mnt;
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
-
- if (!buff) {
- buff = malloc(BUFSIZ);
-@@ -76,7 +70,7 @@ struct mntent *getmntent(FILE * filep)
- }
-
- tmp = getmntent_r(filep, &mnt, buff, BUFSIZ);
-- UNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
- return(tmp);
- }
-
-diff --git a/libc/misc/pthread/weaks.c b/libc/misc/pthread/weaks.c
-index 89c2611..c27bd10 100644
---- a/libc/misc/pthread/weaks.c
-+++ b/libc/misc/pthread/weaks.c
-@@ -21,6 +21,7 @@
- #include <limits.h>
- #include <stdlib.h>
-
-+static void __pthread_return_void __P ((void));
- static int __pthread_return_0 __P ((void));
- static int __pthread_return_1 __P ((void));
-
-@@ -104,8 +105,17 @@ weak_alias (__pthread_return_0, __pthrea
- weak_alias (__pthread_return_0, __pthread_mutex_trylock)
- weak_alias (__pthread_return_0, __pthread_mutex_unlock)
-
-+weak_alias (__pthread_return_void, _pthread_cleanup_push_defer)
-+weak_alias (__pthread_return_void, _pthread_cleanup_pop_restore)
-+
- /**********************************************************************/
-
-+static void
-+__pthread_return_void (void)
-+{
-+ return;
-+}
-+
- static int
- __pthread_return_0 (void)
- {
-diff --git a/libc/misc/syslog/syslog.c b/libc/misc/syslog/syslog.c
-index 2b478e1..9e9ddbf 100644
---- a/libc/misc/syslog/syslog.c
-+++ b/libc/misc/syslog/syslog.c
-@@ -80,17 +80,9 @@
- #include <ctype.h>
- #include <signal.h>
-
-+#include <bits/uClibc_mutex.h>
-
--#ifdef __UCLIBC_HAS_THREADS__
--#include <pthread.h>
--static pthread_mutex_t mylock = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
--# define LOCK __pthread_mutex_lock(&mylock)
--# define UNLOCK __pthread_mutex_unlock(&mylock);
--#else
--# define LOCK
--# define UNLOCK
--#endif
--
-+__UCLIBC_MUTEX_STATIC(mylock, PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP);
-
- static int LogFile = -1; /* fd for log */
- static int connected; /* have done connect */
-@@ -110,26 +102,26 @@ int setlogmask(int pmask);
- static void
- closelog_intern(int to_default)
- {
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
- if (LogFile != -1) {
- (void) close(LogFile);
- }
- LogFile = -1;
- connected = 0;
- if (to_default)
-- {
-- LogStat = 0;
-- LogTag = "syslog";
-- LogFacility = LOG_USER;
-- LogMask = 0xff;
-- }
-- UNLOCK;
-+ {
-+ LogStat = 0;
-+ LogTag = "syslog";
-+ LogFacility = LOG_USER;
-+ LogMask = 0xff;
-+ }
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
- }
-
- static void
- sigpipe_handler (int sig)
- {
-- closelog_intern (0);
-+ closelog_intern (0);
- }
-
- /*
-@@ -165,7 +157,7 @@ vsyslog( int pri, const char *fmt, va_li
-
- saved_errno = errno;
-
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
-
- /* See if we should just throw out this message. */
- if (!(LogMask & LOG_MASK(LOG_PRI(pri))) || (pri &~ (LOG_PRIMASK|LOG_FACMASK)))
-@@ -208,7 +200,7 @@ vsyslog( int pri, const char *fmt, va_li
- if (p >= end || p < head_end) { /* Returned -1 in case of error... */
- static const char truncate_msg[12] = "[truncated] ";
- memmove(head_end + sizeof(truncate_msg), head_end,
-- end - head_end - sizeof(truncate_msg));
-+ end - head_end - sizeof(truncate_msg));
- memcpy(head_end, truncate_msg, sizeof(truncate_msg));
- if (p < head_end) {
- while (p < end && *p) {
-@@ -261,11 +253,11 @@ vsyslog( int pri, const char *fmt, va_li
- (void)close(fd);
- }
-
--getout:
-- UNLOCK;
-+ getout:
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
- if (sigpipe == 0)
- sigaction (SIGPIPE, &oldaction,
-- (struct sigaction *) NULL);
-+ (struct sigaction *) NULL);
- }
-
- /*
-@@ -276,48 +268,48 @@ openlog( const char *ident, int logstat,
- {
- int logType = SOCK_DGRAM;
-
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
-
- if (ident != NULL)
-- LogTag = ident;
-+ LogTag = ident;
- LogStat = logstat;
- if (logfac != 0 && (logfac &~ LOG_FACMASK) == 0)
-- LogFacility = logfac;
-+ LogFacility = logfac;
- if (LogFile == -1) {
-- SyslogAddr.sa_family = AF_UNIX;
-- (void)strncpy(SyslogAddr.sa_data, _PATH_LOG,
-- sizeof(SyslogAddr.sa_data));
--retry:
-- if (LogStat & LOG_NDELAY) {
-- if ((LogFile = socket(AF_UNIX, logType, 0)) == -1){
-- UNLOCK;
-- return;
-- }
-- /* fcntl(LogFile, F_SETFD, 1); */
-- }
-+ SyslogAddr.sa_family = AF_UNIX;
-+ (void)strncpy(SyslogAddr.sa_data, _PATH_LOG,
-+ sizeof(SyslogAddr.sa_data));
-+ retry:
-+ if (LogStat & LOG_NDELAY) {
-+ if ((LogFile = socket(AF_UNIX, logType, 0)) == -1){
-+ goto DONE;
-+ }
-+ /* fcntl(LogFile, F_SETFD, 1); */
-+ }
- }
-
- if (LogFile != -1 && !connected) {
-- if (connect(LogFile, &SyslogAddr, sizeof(SyslogAddr) -
-- sizeof(SyslogAddr.sa_data) + strlen(SyslogAddr.sa_data)) != -1)
-- {
-- connected = 1;
-- } else if (logType == SOCK_DGRAM) {
-- logType = SOCK_STREAM;
-- if (LogFile != -1) {
-- close(LogFile);
-- LogFile = -1;
-- }
-- goto retry;
-- } else {
-- if (LogFile != -1) {
-- close(LogFile);
-- LogFile = -1;
-- }
-- }
-+ if (connect(LogFile, &SyslogAddr, sizeof(SyslogAddr) -
-+ sizeof(SyslogAddr.sa_data) + strlen(SyslogAddr.sa_data)) != -1)
-+ {
-+ connected = 1;
-+ } else if (logType == SOCK_DGRAM) {
-+ logType = SOCK_STREAM;
-+ if (LogFile != -1) {
-+ close(LogFile);
-+ LogFile = -1;
-+ }
-+ goto retry;
-+ } else {
-+ if (LogFile != -1) {
-+ close(LogFile);
-+ LogFile = -1;
-+ }
-+ }
- }
-
-- UNLOCK;
-+ DONE:
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
- }
-
- /*
-@@ -335,10 +327,10 @@ int setlogmask(int pmask)
- int omask;
-
- omask = LogMask;
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
- if (pmask != 0)
-- LogMask = pmask;
-- UNLOCK;
-+ LogMask = pmask;
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
- return (omask);
- }
-
-diff --git a/libc/misc/time/time.c b/libc/misc/time/time.c
-index f43bb8a..6165a52 100644
---- a/libc/misc/time/time.c
-+++ b/libc/misc/time/time.c
-@@ -143,6 +143,8 @@
- #include <locale.h>
- #include <bits/uClibc_uintmaxtostr.h>
-
-+#include <bits/uClibc_mutex.h>
-+
- #ifdef __UCLIBC_HAS_XLOCALE__
- #include <xlocale.h>
- #endif
-@@ -191,21 +193,7 @@ typedef struct {
- char tzname[TZNAME_MAX+1];
- } rule_struct;
-
--#ifdef __UCLIBC_HAS_THREADS__
--
--#include <pthread.h>
--
--extern pthread_mutex_t _time_tzlock;
--
--#define TZLOCK __pthread_mutex_lock(&_time_tzlock)
--#define TZUNLOCK __pthread_mutex_unlock(&_time_tzlock)
--
--#else
--
--#define TZLOCK ((void) 0)
--#define TZUNLOCK ((void) 0)
--
--#endif
-+__UCLIBC_MUTEX_EXTERN(_time_tzlock);
-
- extern rule_struct _time_tzinfo[2];
-
-@@ -542,13 +530,13 @@ struct tm *localtime(const time_t *timer
- struct tm *localtime_r(register const time_t *__restrict timer,
- register struct tm *__restrict result)
- {
-- TZLOCK;
-+ __UCLIBC_MUTEX_LOCK(_time_tzlock);
-
- tzset();
-
- __time_localtime_tzi(timer, result, _time_tzinfo);
-
-- TZUNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(_time_tzlock);
-
- return result;
- }
-@@ -1037,7 +1025,7 @@ size_t __XL(strftime)(char *__restrict s
- goto LOOP;
- }
-
-- o = spec + 26; /* set to "????" */
-+ o = ((const char *) spec) + 26; /* set to "????" */
- if ((code & MASK_SPEC) == CALC_SPEC) {
-
- if (*p == 's') {
-@@ -1073,17 +1061,15 @@ size_t __XL(strftime)(char *__restrict s
-
- #ifdef __UCLIBC_HAS_TM_EXTENSIONS__
-
--#define RSP_TZUNLOCK ((void) 0)
- #define RSP_TZNAME timeptr->tm_zone
- #define RSP_GMT_OFFSET (-timeptr->tm_gmtoff)
-
- #else
-
--#define RSP_TZUNLOCK TZUNLOCK
- #define RSP_TZNAME rsp->tzname
- #define RSP_GMT_OFFSET rsp->gmt_offset
-
-- TZLOCK;
-+ __UCLIBC_MUTEX_LOCK(_time_tzlock);
-
- rsp = _time_tzinfo;
- if (timeptr->tm_isdst > 0) {
-@@ -1114,15 +1100,17 @@ size_t __XL(strftime)(char *__restrict s
- }
- #endif
- o_count = SIZE_MAX;
-- RSP_TZUNLOCK;
-+/* RSP_TZUNLOCK; */
-+#ifdef __UCLIBC_HAS_TM_EXTENSIONS__
- goto OUTPUT;
-+#endif
- } else { /* z */
- *s = '+';
- if ((tzo = -RSP_GMT_OFFSET) < 0) {
- tzo = -tzo;
- *s = '-';
- }
-- RSP_TZUNLOCK;
-+/* RSP_TZUNLOCK; */
- ++s;
- --count;
-
-@@ -1131,7 +1119,13 @@ size_t __XL(strftime)(char *__restrict s
-
- i = 16 + 6; /* 0-fill, width = 4 */
- }
--
-+#ifdef __UCLIBC_HAS_TM_EXTENSIONS__
-+#else
-+ __UCLIBC_MUTEX_UNLOCK(_time_tzlock);
-+ if (*p == 'Z') {
-+ goto OUTPUT;
-+ }
-+#endif
- } else {
- /* TODO: don't need year for U, W */
- for (i=0 ; i < 3 ; i++) {
-@@ -1664,9 +1658,7 @@ int daylight = 0;
- long timezone = 0;
- char *tzname[2] = { (char *) UTC, (char *) (UTC-1) };
-
--#ifdef __UCLIBC_HAS_THREADS__
--pthread_mutex_t _time_tzlock = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
--#endif
-+__UCLIBC_MUTEX_INIT(_time_tzlock, PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP);
-
- rule_struct _time_tzinfo[2];
-
-@@ -1796,7 +1788,7 @@ void tzset(void)
- static char oldval[TZ_BUFLEN]; /* BSS-zero'd. */
- #endif /* __UCLIBC_HAS_TZ_CACHING__ */
-
-- TZLOCK;
-+ __UCLIBC_MUTEX_LOCK(_time_tzlock);
-
- e = getenv(TZ); /* TZ env var always takes precedence. */
-
-@@ -1962,10 +1954,10 @@ void tzset(void)
- daylight = !!_time_tzinfo[1].tzname[0];
- timezone = _time_tzinfo[0].gmt_offset;
-
--#if defined(__UCLIBC_HAS_TZ_FILE__)
-+#if defined(__UCLIBC_HAS_TZ_FILE__) || defined(__UCLIBC_HAS_TZ_CACHING__)
- FAST_DONE:
- #endif
-- TZUNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(_time_tzlock);
- }
-
- #endif
-@@ -2167,13 +2159,13 @@ time_t _time_mktime(struct tm *timeptr,
- {
- time_t t;
-
-- TZLOCK;
-+ __UCLIBC_MUTEX_LOCK(_time_tzlock);
-
- tzset();
-
- t = _time_mktime_tzi(timeptr, store_on_success, _time_tzinfo);
-
-- TZUNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(_time_tzlock);
-
- return t;
- }
-diff --git a/libc/misc/ttyent/getttyent.c b/libc/misc/ttyent/getttyent.c
-index 6e2fbd2..c85c73a 100644
---- a/libc/misc/ttyent/getttyent.c
-+++ b/libc/misc/ttyent/getttyent.c
-@@ -35,9 +35,6 @@
- #include <ctype.h>
- #include <string.h>
- #include <stdlib.h>
--#ifdef __UCLIBC_HAS_THREADS__
--#include <pthread.h>
--#endif
-
- static char zapchar;
- static FILE *tf;
-@@ -50,8 +47,8 @@ struct ttyent * getttynam(const char *tt
-
- setttyent();
- while ((t = getttyent()))
-- if (!strcmp(tty, t->ty_name))
-- break;
-+ if (!strcmp(tty, t->ty_name))
-+ break;
- endttyent();
- return (t);
- }
-@@ -67,27 +64,27 @@ static char * skip(register char *p)
- register int c, q;
-
- for (q = 0, t = p; (c = *p) != '\0'; p++) {
-- if (c == '"') {
-- q ^= QUOTED; /* obscure, but nice */
-- continue;
-- }
-- if (q == QUOTED && *p == '\\' && *(p+1) == '"')
-- p++;
-- *t++ = *p;
-- if (q == QUOTED)
-- continue;
-- if (c == '#') {
-- zapchar = c;
-- *p = 0;
-- break;
-- }
-- if (c == '\t' || c == ' ' || c == '\n') {
-- zapchar = c;
-- *p++ = 0;
-- while ((c = *p) == '\t' || c == ' ' || c == '\n')
-- p++;
-- break;
-- }
-+ if (c == '"') {
-+ q ^= QUOTED; /* obscure, but nice */
-+ continue;
-+ }
-+ if (q == QUOTED && *p == '\\' && *(p+1) == '"')
-+ p++;
-+ *t++ = *p;
-+ if (q == QUOTED)
-+ continue;
-+ if (c == '#') {
-+ zapchar = c;
-+ *p = 0;
-+ break;
-+ }
-+ if (c == '\t' || c == ' ' || c == '\n') {
-+ zapchar = c;
-+ *p++ = 0;
-+ while ((c = *p) == '\t' || c == ' ' || c == '\n')
-+ p++;
-+ break;
-+ }
- }
- *--t = '\0';
- return (p);
-@@ -104,46 +101,46 @@ struct ttyent * getttyent(void)
- register int c;
- register char *p;
- static char *line = NULL;
-+ struct ttyent *retval = NULL;
-
- if (!tf && !setttyent())
-- return (NULL);
-+ return (NULL);
-
- if (!line) {
-- line = malloc(BUFSIZ);
-+ line = malloc(BUFSIZ);
- if (!line)
- abort();
- }
-
-- __STDIO_ALWAYS_THREADLOCK(tf);
-+ __STDIO_ALWAYS_THREADLOCK(tf);
-
- for (;;) {
-- if (!fgets_unlocked(p = line, BUFSIZ, tf)) {
-- __STDIO_ALWAYS_THREADUNLOCK(tf);
-- return (NULL);
-- }
-- /* skip lines that are too big */
-- if (!index(p, '\n')) {
-- while ((c = getc_unlocked(tf)) != '\n' && c != EOF)
-- ;
-- continue;
-- }
-- while (isspace(*p))
-- ++p;
-- if (*p && *p != '#')
-- break;
-+ if (!fgets_unlocked(p = line, BUFSIZ, tf)) {
-+ goto DONE;
-+ }
-+ /* skip lines that are too big */
-+ if (!index(p, '\n')) {
-+ while ((c = getc_unlocked(tf)) != '\n' && c != EOF)
-+ ;
-+ continue;
-+ }
-+ while (isspace(*p))
-+ ++p;
-+ if (*p && *p != '#')
-+ break;
- }
-
- zapchar = 0;
- tty.ty_name = p;
- p = skip(p);
- if (!*(tty.ty_getty = p))
-- tty.ty_getty = tty.ty_type = NULL;
-+ tty.ty_getty = tty.ty_type = NULL;
- else {
-- p = skip(p);
-- if (!*(tty.ty_type = p))
-- tty.ty_type = NULL;
-- else
-- p = skip(p);
-+ p = skip(p);
-+ if (!*(tty.ty_type = p))
-+ tty.ty_type = NULL;
-+ else
-+ p = skip(p);
- }
- tty.ty_status = 0;
- tty.ty_window = NULL;
-@@ -151,43 +148,45 @@ struct ttyent * getttyent(void)
- #define scmp(e) !strncmp(p, e, sizeof(e) - 1) && isspace(p[sizeof(e) - 1])
- #define vcmp(e) !strncmp(p, e, sizeof(e) - 1) && p[sizeof(e) - 1] == '='
- for (; *p; p = skip(p)) {
-- if (scmp(_TTYS_OFF))
-- tty.ty_status &= ~TTY_ON;
-- else if (scmp(_TTYS_ON))
-- tty.ty_status |= TTY_ON;
-- else if (scmp(_TTYS_SECURE))
-- tty.ty_status |= TTY_SECURE;
-- else if (vcmp(_TTYS_WINDOW))
-- tty.ty_window = value(p);
-- else
-- break;
-+ if (scmp(_TTYS_OFF))
-+ tty.ty_status &= ~TTY_ON;
-+ else if (scmp(_TTYS_ON))
-+ tty.ty_status |= TTY_ON;
-+ else if (scmp(_TTYS_SECURE))
-+ tty.ty_status |= TTY_SECURE;
-+ else if (vcmp(_TTYS_WINDOW))
-+ tty.ty_window = value(p);
-+ else
-+ break;
- }
-- /* We can release the lock only here since `zapchar' is global. */
-- __STDIO_ALWAYS_THREADUNLOCK(tf);
-
- if (zapchar == '#' || *p == '#')
-- while ((c = *++p) == ' ' || c == '\t')
-- ;
-+ while ((c = *++p) == ' ' || c == '\t')
-+ ;
- tty.ty_comment = p;
- if (*p == 0)
-- tty.ty_comment = 0;
-+ tty.ty_comment = 0;
- if ((p = index(p, '\n')))
-- *p = '\0';
-- return (&tty);
-+ *p = '\0';
-+ retval = &tty;
-+
-+ DONE:
-+ __STDIO_ALWAYS_THREADUNLOCK(tf);
-+ return retval;
- }
-
- int setttyent(void)
- {
-
- if (tf) {
-- rewind(tf);
-- return (1);
-+ rewind(tf);
-+ return (1);
- } else if ((tf = fopen(_PATH_TTYS, "r"))) {
-- /* We do the locking ourselves. */
-+ /* We do the locking ourselves. */
- #ifdef __UCLIBC_HAS_THREADS__
-- __fsetlocking (tf, FSETLOCKING_BYCALLER);
-+ __fsetlocking (tf, FSETLOCKING_BYCALLER);
- #endif
-- return (1);
-+ return (1);
- }
- return (0);
- }
-@@ -197,9 +196,9 @@ int endttyent(void)
- int rval;
-
- if (tf) {
-- rval = !(fclose(tf) == EOF);
-- tf = NULL;
-- return (rval);
-+ rval = !(fclose(tf) == EOF);
-+ tf = NULL;
-+ return (rval);
- }
- return (1);
- }
-diff --git a/libc/misc/utmp/utent.c b/libc/misc/utmp/utent.c
-index c1d8d6f..0fc6df4 100644
---- a/libc/misc/utmp/utent.c
-+++ b/libc/misc/utmp/utent.c
-@@ -20,19 +20,9 @@
- #include <string.h>
- #include <utmp.h>
-
-+#include <bits/uClibc_mutex.h>
-
--
--#ifdef __UCLIBC_HAS_THREADS__
--#include <pthread.h>
--static pthread_mutex_t utmplock = PTHREAD_MUTEX_INITIALIZER;
--# define LOCK __pthread_mutex_lock(&utmplock)
--# define UNLOCK __pthread_mutex_unlock(&utmplock)
--#else
--# define LOCK
--# define UNLOCK
--#endif
--
--
-+__UCLIBC_MUTEX_STATIC(utmplock, PTHREAD_MUTEX_INITIALIZER);
-
- /* Some global crap */
- static int static_fd = -1;
-@@ -46,19 +36,19 @@ static struct utmp *__getutent(int utmp_
-
- {
- if (utmp_fd == -1) {
-- setutent();
-+ setutent();
- }
- if (utmp_fd == -1) {
-- return NULL;
-+ return NULL;
- }
-
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(utmplock);
- if (read(utmp_fd, (char *) &static_utmp, sizeof(struct utmp)) != sizeof(struct utmp))
-- {
-- return NULL;
-- }
-+ {
-+ return NULL;
-+ }
-
-- UNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(utmplock);
- return &static_utmp;
- }
-
-@@ -66,39 +56,39 @@ void setutent(void)
- {
- int ret;
-
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(utmplock);
- if (static_fd == -1) {
-- if ((static_fd = open(static_ut_name, O_RDWR)) < 0) {
-- if ((static_fd = open(static_ut_name, O_RDONLY)) < 0) {
-- goto bummer;
-- }
-- }
-- /* Make sure the file will be closed on exec() */
-- ret = fcntl(static_fd, F_GETFD, 0);
-- if (ret >= 0) {
-- ret = fcntl(static_fd, F_GETFD, 0);
-- }
-- if (ret < 0) {
--bummer:
-- UNLOCK;
-- static_fd = -1;
-- close(static_fd);
-- return;
-- }
-+ if ((static_fd = open(static_ut_name, O_RDWR)) < 0) {
-+ if ((static_fd = open(static_ut_name, O_RDONLY)) < 0) {
-+ goto bummer;
-+ }
-+ }
-+ /* Make sure the file will be closed on exec() */
-+ ret = fcntl(static_fd, F_GETFD, 0);
-+ if (ret >= 0) {
-+ ret = fcntl(static_fd, F_GETFD, 0);
-+ }
-+ if (ret < 0) {
-+ bummer:
-+ close(static_fd);
-+ static_fd = -1;
-+ goto DONE;
-+ }
- }
- lseek(static_fd, 0, SEEK_SET);
-- UNLOCK;
-+ DONE:
-+ __UCLIBC_MUTEX_UNLOCK(utmplock);
- return;
- }
-
- void endutent(void)
- {
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(utmplock);
- if (static_fd != -1) {
-- close(static_fd);
-+ close(static_fd);
- }
- static_fd = -1;
-- UNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(utmplock);
- }
-
- /* Locking is done in __getutent */
-@@ -113,22 +103,22 @@ struct utmp *getutid (const struct utmp
- struct utmp *lutmp;
-
- while ((lutmp = __getutent(static_fd)) != NULL) {
-- if ( (utmp_entry->ut_type == RUN_LVL ||
-- utmp_entry->ut_type == BOOT_TIME ||
-- utmp_entry->ut_type == NEW_TIME ||
-- utmp_entry->ut_type == OLD_TIME) &&
-- lutmp->ut_type == utmp_entry->ut_type)
-- {
-- return lutmp;
-- }
-- if ( (utmp_entry->ut_type == INIT_PROCESS ||
-- utmp_entry->ut_type == DEAD_PROCESS ||
-- utmp_entry->ut_type == LOGIN_PROCESS ||
-- utmp_entry->ut_type == USER_PROCESS) &&
-- !strncmp(lutmp->ut_id, utmp_entry->ut_id, sizeof(lutmp->ut_id)))
-- {
-- return lutmp;
-- }
-+ if ( (utmp_entry->ut_type == RUN_LVL ||
-+ utmp_entry->ut_type == BOOT_TIME ||
-+ utmp_entry->ut_type == NEW_TIME ||
-+ utmp_entry->ut_type == OLD_TIME) &&
-+ lutmp->ut_type == utmp_entry->ut_type)
-+ {
-+ return lutmp;
-+ }
-+ if ( (utmp_entry->ut_type == INIT_PROCESS ||
-+ utmp_entry->ut_type == DEAD_PROCESS ||
-+ utmp_entry->ut_type == LOGIN_PROCESS ||
-+ utmp_entry->ut_type == USER_PROCESS) &&
-+ !strncmp(lutmp->ut_id, utmp_entry->ut_id, sizeof(lutmp->ut_id)))
-+ {
-+ return lutmp;
-+ }
- }
-
- return NULL;
-@@ -140,11 +130,11 @@ struct utmp *getutline(const struct utmp
- struct utmp *lutmp;
-
- while ((lutmp = __getutent(static_fd)) != NULL) {
-- if ((lutmp->ut_type == USER_PROCESS || lutmp->ut_type == LOGIN_PROCESS) &&
-- !strcmp(lutmp->ut_line, utmp_entry->ut_line))
-- {
-- return lutmp;
-- }
-+ if ((lutmp->ut_type == USER_PROCESS || lutmp->ut_type == LOGIN_PROCESS) &&
-+ !strcmp(lutmp->ut_line, utmp_entry->ut_line))
-+ {
-+ return lutmp;
-+ }
- }
-
- return NULL;
-@@ -152,42 +142,42 @@ struct utmp *getutline(const struct utmp
-
- struct utmp *pututline (const struct utmp *utmp_entry)
- {
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(utmplock);
- /* Ignore the return value. That way, if they've already positioned
- the file pointer where they want it, everything will work out. */
- lseek(static_fd, (off_t) - sizeof(struct utmp), SEEK_CUR);
-
- if (getutid(utmp_entry) != NULL) {
-- lseek(static_fd, (off_t) - sizeof(struct utmp), SEEK_CUR);
-- if (write(static_fd, utmp_entry, sizeof(struct utmp)) != sizeof(struct utmp))
-- return NULL;
-+ lseek(static_fd, (off_t) - sizeof(struct utmp), SEEK_CUR);
-+ if (write(static_fd, utmp_entry, sizeof(struct utmp)) != sizeof(struct utmp))
-+ return NULL;
- } else {
-- lseek(static_fd, (off_t) 0, SEEK_END);
-- if (write(static_fd, utmp_entry, sizeof(struct utmp)) != sizeof(struct utmp))
-- return NULL;
-+ lseek(static_fd, (off_t) 0, SEEK_END);
-+ if (write(static_fd, utmp_entry, sizeof(struct utmp)) != sizeof(struct utmp))
-+ return NULL;
- }
-
-- UNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(utmplock);
- return (struct utmp *)utmp_entry;
- }
-
- int utmpname (const char *new_ut_name)
- {
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(utmplock);
- if (new_ut_name != NULL) {
-- if (static_ut_name != default_file_name)
-- free((char *)static_ut_name);
-- static_ut_name = strdup(new_ut_name);
-- if (static_ut_name == NULL) {
-- /* We should probably whine about out-of-memory
-- * errors here... Instead just reset to the default */
-- static_ut_name = default_file_name;
-- }
-+ if (static_ut_name != default_file_name)
-+ free((char *)static_ut_name);
-+ static_ut_name = strdup(new_ut_name);
-+ if (static_ut_name == NULL) {
-+ /* We should probably whine about out-of-memory
-+ * errors here... Instead just reset to the default */
-+ static_ut_name = default_file_name;
-+ }
- }
-
- if (static_fd != -1)
-- close(static_fd);
-- UNLOCK;
-+ close(static_fd);
-+ __UCLIBC_MUTEX_UNLOCK(utmplock);
- return 0;
- }
-
-diff --git a/libc/misc/wchar/wstdio.c b/libc/misc/wchar/wstdio.c
-index b49494f..408c57a 100644
---- a/libc/misc/wchar/wstdio.c
-+++ b/libc/misc/wchar/wstdio.c
-@@ -82,9 +82,6 @@ strong_alias(NAME,NAME##_unlocked) \
- void NAME PARAMS
- #endif
-
--#define __STDIO_THREADLOCK_OPENLIST
--#define __STDIO_THREADUNLOCK_OPENLIST
--
- #else /* __UCLIBC_HAS_THREADS__ */
-
- #include <pthread.h>
-@@ -112,15 +109,6 @@ void NAME PARAMS \
- } \
- void NAME##_unlocked PARAMS
-
--#define __STDIO_THREADLOCK_OPENLIST \
-- __pthread_mutex_lock(&_stdio_openlist_lock)
--
--#define __STDIO_THREADUNLOCK_OPENLIST \
-- __pthread_mutex_unlock(&_stdio_openlist_lock)
--
--#define __STDIO_THREADTRYLOCK_OPENLIST \
-- __pthread_mutex_trylock(&_stdio_openlist_lock)
--
- #endif /* __UCLIBC_HAS_THREADS__ */
-
- #ifndef __STDIO_BUFFERS
-diff --git a/libc/pwd_grp/lckpwdf.c b/libc/pwd_grp/lckpwdf.c
-index 6b9c251..063fed4 100644
---- a/libc/pwd_grp/lckpwdf.c
-+++ b/libc/pwd_grp/lckpwdf.c
-@@ -27,15 +27,9 @@
- #include <sys/file.h>
- #include <paths.h>
-
--#ifdef __UCLIBC_HAS_THREADS__
--#include <pthread.h>
--static pthread_mutex_t mylock = PTHREAD_MUTEX_INITIALIZER;
--# define LOCK __pthread_mutex_lock(&mylock)
--# define UNLOCK __pthread_mutex_unlock(&mylock);
--#else
--# define LOCK
--# define UNLOCK
--#endif
-+#include <bits/uClibc_mutex.h>
-+
-+__UCLIBC_MUTEX_STATIC(mylock, PTHREAD_MUTEX_INITIALIZER);
-
- /* How long to wait for getting the lock before returning with an
- error. */
-@@ -57,18 +51,18 @@ int lckpwdf (void)
- struct sigaction new_act; /* New signal action. */
- struct flock fl; /* Information struct for locking. */
- int result;
-+ int rv = -1;
-
- if (lock_fd != -1)
- /* Still locked by own process. */
- return -1;
-
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
-
- lock_fd = open (_PATH_PASSWD, O_WRONLY);
- if (lock_fd == -1) {
- /* Cannot create lock file. */
-- UNLOCK;
-- return -1;
-+ goto DONE;
- }
-
- /* Make sure file gets correctly closed when process finished. */
-@@ -77,16 +71,14 @@ int lckpwdf (void)
- /* Cannot get file flags. */
- close(lock_fd);
- lock_fd = -1;
-- UNLOCK;
-- return -1;
-+ goto DONE;
- }
- flags |= FD_CLOEXEC; /* Close on exit. */
- if (fcntl (lock_fd, F_SETFD, flags) < 0) {
- /* Cannot set new flags. */
- close(lock_fd);
- lock_fd = -1;
-- UNLOCK;
-- return -1;
-+ goto DONE;
- }
-
- /* Now we have to get exclusive write access. Since multiple
-@@ -107,8 +99,7 @@ int lckpwdf (void)
- /* Cannot install signal handler. */
- close(lock_fd);
- lock_fd = -1;
-- UNLOCK;
-- return -1;
-+ goto DONE;
- }
-
- /* Now make sure the alarm signal is not blocked. */
-@@ -118,8 +109,7 @@ int lckpwdf (void)
- sigaction (SIGALRM, &saved_act, NULL);
- close(lock_fd);
- lock_fd = -1;
-- UNLOCK;
-- return -1;
-+ goto DONE;
- }
-
- /* Start timer. If we cannot get the lock in the specified time we
-@@ -146,12 +136,14 @@ int lckpwdf (void)
- if (result < 0) {
- close(lock_fd);
- lock_fd = -1;
-- UNLOCK;
-- return -1;
-+ goto DONE;
- }
-
-- UNLOCK;
-- return 0;
-+ rv = 0;
-+
-+ DONE:
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
-+ return rv;
- }
-
-
-@@ -164,11 +156,11 @@ int ulckpwdf (void)
- result = -1;
- }
- else {
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
- result = close (lock_fd);
- /* Mark descriptor as unused. */
- lock_fd = -1;
-- UNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
- }
-
- return result;
-diff --git a/libc/pwd_grp/pwd_grp.c b/libc/pwd_grp/pwd_grp.c
-index 91c0d83..a302c7c 100644
---- a/libc/pwd_grp/pwd_grp.c
-+++ b/libc/pwd_grp/pwd_grp.c
-@@ -42,9 +42,8 @@
- #include <pwd.h>
- #include <grp.h>
- #include <shadow.h>
--#ifdef __UCLIBC_HAS_THREADS__
--#include <pthread.h>
--#endif
-+
-+#include <bits/uClibc_mutex.h>
-
- /**********************************************************************/
- /* Sizes for staticly allocated buffers. */
-@@ -445,34 +444,27 @@ int getpw(uid_t uid, char *buf)
- /**********************************************************************/
- #ifdef L_getpwent_r
-
--#ifdef __UCLIBC_HAS_THREADS__
--static pthread_mutex_t mylock = PTHREAD_MUTEX_INITIALIZER;
--# define LOCK __pthread_mutex_lock(&mylock)
--# define UNLOCK __pthread_mutex_unlock(&mylock);
--#else
--# define LOCK ((void) 0)
--# define UNLOCK ((void) 0)
--#endif
-+__UCLIBC_MUTEX_STATIC(mylock, PTHREAD_MUTEX_INITIALIZER);
-
- static FILE *pwf /*= NULL*/;
-
- void setpwent(void)
- {
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
- if (pwf) {
- rewind(pwf);
- }
-- UNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
- }
-
- void endpwent(void)
- {
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
- if (pwf) {
- fclose(pwf);
- pwf = NULL;
- }
-- UNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
- }
-
-
-@@ -482,7 +474,7 @@ int getpwent_r(struct passwd *__restrict
- {
- int rv;
-
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
-
- *result = NULL; /* In case of error... */
-
-@@ -500,7 +492,7 @@ int getpwent_r(struct passwd *__restrict
- }
-
- ERR:
-- UNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
-
- return rv;
- }
-@@ -509,34 +501,27 @@ int getpwent_r(struct passwd *__restrict
- /**********************************************************************/
- #ifdef L_getgrent_r
-
--#ifdef __UCLIBC_HAS_THREADS__
--static pthread_mutex_t mylock = PTHREAD_MUTEX_INITIALIZER;
--# define LOCK __pthread_mutex_lock(&mylock)
--# define UNLOCK __pthread_mutex_unlock(&mylock);
--#else
--# define LOCK ((void) 0)
--# define UNLOCK ((void) 0)
--#endif
-+__UCLIBC_MUTEX_STATIC(mylock, PTHREAD_MUTEX_INITIALIZER);
-
- static FILE *grf /*= NULL*/;
-
- void setgrent(void)
- {
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
- if (grf) {
- rewind(grf);
- }
-- UNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
- }
-
- void endgrent(void)
- {
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
- if (grf) {
- fclose(grf);
- grf = NULL;
- }
-- UNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
- }
-
- int getgrent_r(struct group *__restrict resultbuf,
-@@ -545,7 +530,7 @@ int getgrent_r(struct group *__restrict
- {
- int rv;
-
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
-
- *result = NULL; /* In case of error... */
-
-@@ -563,7 +548,7 @@ int getgrent_r(struct group *__restrict
- }
-
- ERR:
-- UNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
-
- return rv;
- }
-@@ -572,34 +557,27 @@ int getgrent_r(struct group *__restrict
- /**********************************************************************/
- #ifdef L_getspent_r
-
--#ifdef __UCLIBC_HAS_THREADS__
--static pthread_mutex_t mylock = PTHREAD_MUTEX_INITIALIZER;
--# define LOCK __pthread_mutex_lock(&mylock)
--# define UNLOCK __pthread_mutex_unlock(&mylock);
--#else
--# define LOCK ((void) 0)
--# define UNLOCK ((void) 0)
--#endif
-+__UCLIBC_MUTEX_STATIC(mylock, PTHREAD_MUTEX_INITIALIZER);
-
- static FILE *spf /*= NULL*/;
-
- void setspent(void)
- {
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
- if (spf) {
- rewind(spf);
- }
-- UNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
- }
-
- void endspent(void)
- {
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
- if (spf) {
- fclose(spf);
- spf = NULL;
- }
-- UNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
- }
-
- int getspent_r(struct spwd *resultbuf, char *buffer,
-@@ -607,7 +585,7 @@ int getspent_r(struct spwd *resultbuf, c
- {
- int rv;
-
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
-
- *result = NULL; /* In case of error... */
-
-@@ -625,7 +603,7 @@ int getspent_r(struct spwd *resultbuf, c
- }
-
- ERR:
-- UNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
-
- return rv;
- }
-diff --git a/libc/stdio/_READ.c b/libc/stdio/_READ.c
-index 7d3c38c..fe1bc91 100644
---- a/libc/stdio/_READ.c
-+++ b/libc/stdio/_READ.c
-@@ -41,7 +41,7 @@ size_t __stdio_READ(register FILE *strea
- #warning EINTR?
- #endif
- /* RETRY: */
-- if ((rv = __READ(stream, buf, bufsize)) <= 0) {
-+ if ((rv = __READ(stream, (char *) buf, bufsize)) <= 0) {
- if (rv == 0) {
- __STDIO_STREAM_SET_EOF(stream);
- } else {
-diff --git a/libc/stdio/_WRITE.c b/libc/stdio/_WRITE.c
-index d300d39..4131eb7 100644
---- a/libc/stdio/_WRITE.c
-+++ b/libc/stdio/_WRITE.c
-@@ -47,7 +47,7 @@ size_t __stdio_WRITE(register FILE *stre
- return bufsize;
- }
- stodo = (todo <= SSIZE_MAX) ? todo : SSIZE_MAX;
-- if ((rv = __WRITE(stream, buf, stodo)) >= 0) {
-+ if ((rv = __WRITE(stream, (char *) buf, stodo)) >= 0) {
- #ifdef __UCLIBC_MJN3_ONLY__
- #warning TODO: Make custom stream write return check optional.
- #endif
-diff --git a/libc/stdio/_fopen.c b/libc/stdio/_fopen.c
-index f7f5bb6..4984f11 100644
---- a/libc/stdio/_fopen.c
-+++ b/libc/stdio/_fopen.c
-@@ -194,10 +194,23 @@ FILE *_stdio_fopen(intptr_t fname_or_mod
- #endif
-
- #ifdef __STDIO_HAS_OPENLIST
-- __STDIO_THREADLOCK_OPENLIST;
-- stream->__nextopen = _stdio_openlist; /* New files are inserted at */
-- _stdio_openlist = stream; /* the head of the list. */
-- __STDIO_THREADUNLOCK_OPENLIST;
-+#if defined(__UCLIBC_HAS_THREADS__) && defined(__STDIO_BUFFERS)
-+ if (!(stream->__modeflags & __FLAG_FREEFILE))
-+ {
-+ /* An freopen call so the file was never removed from the list. */
-+ }
-+ else
-+#endif
-+ {
-+ /* We have to lock the del mutex in case another thread wants to fclose()
-+ * the last file. */
-+ __STDIO_THREADLOCK_OPENLIST_DEL;
-+ __STDIO_THREADLOCK_OPENLIST_ADD;
-+ stream->__nextopen = _stdio_openlist; /* New files are inserted at */
-+ _stdio_openlist = stream; /* the head of the list. */
-+ __STDIO_THREADUNLOCK_OPENLIST_ADD;
-+ __STDIO_THREADUNLOCK_OPENLIST_DEL;
-+ }
- #endif
-
- __STDIO_STREAM_VALIDATE(stream);
-diff --git a/libc/stdio/_stdio.c b/libc/stdio/_stdio.c
-index 4aae3c4..9cfe02c 100644
---- a/libc/stdio/_stdio.c
-+++ b/libc/stdio/_stdio.c
-@@ -151,8 +151,12 @@ FILE *__stdout = _stdio_streams + 1; /*
- FILE *_stdio_openlist = _stdio_streams;
-
- # ifdef __UCLIBC_HAS_THREADS__
--pthread_mutex_t _stdio_openlist_lock = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
--int _stdio_openlist_delflag = 0;
-+__UCLIBC_MUTEX_INIT(_stdio_openlist_add_lock, PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP);
-+#ifdef __STDIO_BUFFERS
-+__UCLIBC_MUTEX_INIT(_stdio_openlist_del_lock, PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP);
-+volatile int _stdio_openlist_use_count = 0;
-+int _stdio_openlist_del_count = 0;
-+#endif
- # endif
-
- #endif
-@@ -162,10 +166,10 @@ int _stdio_openlist_delflag = 0;
- /* 2 if threading not initialized and 0 otherwise; */
- int _stdio_user_locking = 2;
-
--void __stdio_init_mutex(pthread_mutex_t *m)
-+void __stdio_init_mutex(__UCLIBC_MUTEX_TYPE *m)
- {
-- static const pthread_mutex_t __stdio_mutex_initializer
-- = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
-+ const __UCLIBC_MUTEX_STATIC(__stdio_mutex_initializer,
-+ PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP);
-
- memcpy(m, &__stdio_mutex_initializer, sizeof(__stdio_mutex_initializer));
- }
-@@ -184,7 +188,11 @@ void _stdio_term(void)
- * locked, then I suppose there is a chance that a pointer in the
- * chain might be corrupt due to a partial store.
- */
-- __stdio_init_mutex(&_stdio_openlist_lock);
-+ __stdio_init_mutex(&_stdio_openlist_add_lock);
-+#warning check
-+#ifdef __STDIO_BUFFERS
-+ __stdio_init_mutex(&_stdio_openlist_del_lock);
-+#endif
-
- /* Next we need to worry about the streams themselves. If a stream
- * is currently locked, then it may be in an invalid state. So we
-@@ -192,7 +200,7 @@ void _stdio_term(void)
- * Then we reinitialize the locks.
- */
- for (ptr = _stdio_openlist ; ptr ; ptr = ptr->__nextopen ) {
-- if (__STDIO_ALWAYS_THREADTRYLOCK(ptr)) {
-+ if (__STDIO_ALWAYS_THREADTRYLOCK_CANCEL_UNSAFE(ptr)) {
- /* The stream is already locked, so we don't want to touch it.
- * However, if we have custom streams, we can't just close it
- * or leave it locked since a custom stream may be stacked
-@@ -258,10 +266,6 @@ void _stdio_init(void)
- #error Assumption violated about __MASK_READING and __FLAG_UNGOT
- #endif
-
--#ifdef __UCLIBC_HAS_THREADS__
--#include <pthread.h>
--#endif
--
- #ifndef NDEBUG
-
- void _stdio_validate_FILE(const FILE *stream)
-diff --git a/libc/stdio/_stdio.h b/libc/stdio/_stdio.h
-index e3c2c58..decf57d 100644
---- a/libc/stdio/_stdio.h
-+++ b/libc/stdio/_stdio.h
-@@ -22,23 +22,57 @@
- #include <wchar.h>
- #endif
-
--#ifdef __UCLIBC_HAS_THREADS__
--#include <pthread.h>
-+#include <bits/uClibc_mutex.h>
-
--#define __STDIO_THREADLOCK_OPENLIST \
-- __pthread_mutex_lock(&_stdio_openlist_lock)
-+#define __STDIO_THREADLOCK_OPENLIST_ADD \
-+ __UCLIBC_MUTEX_LOCK(_stdio_openlist_add_lock)
-
--#define __STDIO_THREADUNLOCK_OPENLIST \
-- __pthread_mutex_unlock(&_stdio_openlist_lock)
-+#define __STDIO_THREADUNLOCK_OPENLIST_ADD \
-+ __UCLIBC_MUTEX_UNLOCK(_stdio_openlist_add_lock)
-
--#define __STDIO_THREADTRYLOCK_OPENLIST \
-- __pthread_mutex_trylock(&_stdio_openlist_lock)
-+#ifdef __STDIO_BUFFERS
-
--#else
-+#define __STDIO_THREADLOCK_OPENLIST_DEL \
-+ __UCLIBC_MUTEX_LOCK(_stdio_openlist_del_lock)
-+
-+#define __STDIO_THREADUNLOCK_OPENLIST_DEL \
-+ __UCLIBC_MUTEX_UNLOCK(_stdio_openlist_del_lock)
-
--#define __STDIO_THREADLOCK_OPENLIST ((void)0)
--#define __STDIO_THREADUNLOCK_OPENLIST ((void)0)
-+#define __STDIO_OPENLIST_INC_USE \
-+do { \
-+ __STDIO_THREADLOCK_OPENLIST_DEL; \
-+ ++_stdio_openlist_use_count; \
-+ __STDIO_THREADUNLOCK_OPENLIST_DEL; \
-+} while (0)
-+
-+extern void _stdio_openlist_dec_use(void);
-+
-+#define __STDIO_OPENLIST_DEC_USE \
-+ _stdio_openlist_dec_use()
-+
-+#define __STDIO_OPENLIST_INC_DEL_CNT \
-+do { \
-+ __STDIO_THREADLOCK_OPENLIST_DEL; \
-+ ++_stdio_openlist_del_count; \
-+ __STDIO_THREADUNLOCK_OPENLIST_DEL; \
-+} while (0)
-+
-+#define __STDIO_OPENLIST_DEC_DEL_CNT \
-+do { \
-+ __STDIO_THREADLOCK_OPENLIST_DEL; \
-+ --_stdio_openlist_del_count; \
-+ __STDIO_THREADUNLOCK_OPENLIST_DEL; \
-+} while (0)
-+
-+#endif /* __STDIO_BUFFERS */
-
-+#ifndef __STDIO_THREADLOCK_OPENLIST_DEL
-+#define __STDIO_THREADLOCK_OPENLIST_DEL ((void)0)
-+#define __STDIO_THREADUNLOCK_OPENLIST_DEL ((void)0)
-+#define __STDIO_OPENLIST_INC_USE ((void)0)
-+#define __STDIO_OPENLIST_DEC_USE ((void)0)
-+#define __STDIO_OPENLIST_INC_DEL_CNT ((void)0)
-+#define __STDIO_OPENLIST_DEC_DEL_CNT ((void)0)
- #endif
-
- #define __UNDEFINED_OR_NONPORTABLE ((void)0)
-diff --git a/libc/stdio/fclose.c b/libc/stdio/fclose.c
-index 4df2e42..dfababc 100644
---- a/libc/stdio/fclose.c
-+++ b/libc/stdio/fclose.c
-@@ -12,30 +12,34 @@ int fclose(register FILE *stream)
- int rv = 0;
- __STDIO_AUTO_THREADLOCK_VAR;
-
-- /* First, remove the file from the open file list. */
--#ifdef __STDIO_HAS_OPENLIST
-- {
-- register FILE *ptr;
--
-- __STDIO_THREADLOCK_OPENLIST;
-- if ((ptr = _stdio_openlist) == stream) {
-- _stdio_openlist = stream->__nextopen;
-- } else {
-- while (ptr) {
-- if (ptr->__nextopen == stream) {
-- ptr->__nextopen = stream->__nextopen;
-- break;
-- }
-- ptr = ptr->__nextopen;
-- }
-- }
-- __STDIO_THREADUNLOCK_OPENLIST;
--
-- if (!ptr) { /* Did not find stream in the open file list! */
-- return EOF;
-- }
-- }
--#endif
-+#warning dead code... but may want to simply check and not remove
-+/* #ifdef __STDIO_HAS_OPENLIST */
-+/* #if !defined(__UCLIBC_HAS_THREADS__) || !defined(__STDIO_BUFFERS) */
-+/* /\* First, remove the file from the open file list. *\/ */
-+/* { */
-+/* register FILE *ptr; */
-+
-+/* __STDIO_THREADLOCK_OPENLIST; */
-+/* if ((ptr = _stdio_openlist) == stream) { */
-+/* #warning does a mod!!! */
-+/* _stdio_openlist = stream->__nextopen; */
-+/* } else { */
-+/* while (ptr) { */
-+/* if (ptr->__nextopen == stream) { */
-+/* ptr->__nextopen = stream->__nextopen; */
-+/* break; */
-+/* } */
-+/* ptr = ptr->__nextopen; */
-+/* } */
-+/* } */
-+/* __STDIO_THREADUNLOCK_OPENLIST; */
-+
-+/* if (!ptr) { /\* Did not find stream in the open file list! *\/ */
-+/* return EOF; */
-+/* } */
-+/* } */
-+/* #endif */
-+/* #endif */
-
- __STDIO_AUTO_THREADLOCK(stream);
-
-@@ -80,7 +84,15 @@ int fclose(register FILE *stream)
- __STDIO_AUTO_THREADUNLOCK(stream);
-
- __STDIO_STREAM_FREE_BUFFER(stream);
-+#warning... inefficient - locks and unlocks twice and walks whole list
-+#if defined(__UCLIBC_HAS_THREADS__) && defined(__STDIO_BUFFERS)
-+ /* inefficient - locks/unlocks twice and walks whole list */
-+ __STDIO_OPENLIST_INC_USE;
-+ __STDIO_OPENLIST_INC_DEL_CNT;
-+ __STDIO_OPENLIST_DEC_USE; /* This with free the file if necessary. */
-+#else
- __STDIO_STREAM_FREE_FILE(stream);
-+#endif
-
- return rv;
- }
-diff --git a/libc/stdio/fcloseall.c b/libc/stdio/fcloseall.c
-index dbb6000..f62281a 100644
---- a/libc/stdio/fcloseall.c
-+++ b/libc/stdio/fcloseall.c
-@@ -19,14 +19,34 @@ int fcloseall (void)
- #ifdef __STDIO_HAS_OPENLIST
-
- int retval = 0;
-+ FILE *f;
-
-- __STDIO_THREADLOCK_OPENLIST;
-- while (_stdio_openlist) {
-- if (fclose(_stdio_openlist)) {
-+#warning remove dead code
-+/* __STDIO_THREADLOCK_OPENLIST; */
-+/* while (_stdio_openlist) { */
-+/* if (fclose(_stdio_openlist)) { */
-+/* retval = EOF; */
-+/* } */
-+/* } */
-+/* __STDIO_THREADUNLOCK_OPENLIST; */
-+
-+ __STDIO_OPENLIST_INC_USE;
-+
-+#warning should probably have a get_head() operation
-+ __STDIO_THREADLOCK_OPENLIST_ADD;
-+ f = _stdio_openlist;
-+ __STDIO_THREADUNLOCK_OPENLIST_ADD;
-+
-+ while (f) {
-+#warning should probably have a get_next() operation
-+ FILE *n = f->__nextopen;
-+ if (fclose(f)) {
- retval = EOF;
- }
-+ f = n;
- }
-- __STDIO_THREADUNLOCK_OPENLIST;
-+
-+ __STDIO_OPENLIST_DEC_USE;
-
- return retval;
-
-diff --git a/libc/stdio/fflush.c b/libc/stdio/fflush.c
-index 6baa0ec..66b65cd 100644
---- a/libc/stdio/fflush.c
-+++ b/libc/stdio/fflush.c
-@@ -20,23 +20,50 @@ weak_alias(__fflush_unlocked,fflush_unlo
- weak_alias(__fflush_unlocked,fflush);
- #endif
-
--#ifdef __UCLIBC_HAS_THREADS__
- /* Even if the stream is set to user-locking, we still need to lock
- * when all (lbf) writing streams are flushed. */
--#define MY_STDIO_THREADLOCK(STREAM) \
-- if (_stdio_user_locking != 2) { \
-- __STDIO_ALWAYS_THREADLOCK(STREAM); \
-- }
-
--#define MY_STDIO_THREADUNLOCK(STREAM) \
-- if (_stdio_user_locking != 2) { \
-- __STDIO_ALWAYS_THREADUNLOCK(STREAM); \
-- }
--#else
--#define MY_STDIO_THREADLOCK(STREAM) ((void)0)
--#define MY_STDIO_THREADUNLOCK(STREAM) ((void)0)
--#endif
-+#define __MY_STDIO_THREADLOCK(__stream) \
-+ __UCLIBC_MUTEX_CONDITIONAL_LOCK((__stream)->__lock, \
-+ (_stdio_user_locking != 2))
-+
-+#define __MY_STDIO_THREADUNLOCK(__stream) \
-+ __UCLIBC_MUTEX_CONDITIONAL_UNLOCK((__stream)->__lock, \
-+ (_stdio_user_locking != 2))
-
-+#if defined(__UCLIBC_HAS_THREADS__) && defined(__STDIO_BUFFERS)
-+void _stdio_openlist_dec_use(void)
-+{
-+ __STDIO_THREADLOCK_OPENLIST_DEL;
-+ if ((_stdio_openlist_use_count == 1) && (_stdio_openlist_del_count > 0)) {
-+ FILE *p = NULL;
-+ FILE *n;
-+ FILE *stream;
-+
-+ __STDIO_THREADLOCK_OPENLIST_ADD;
-+ for (stream = _stdio_openlist; stream; stream = n) {
-+#warning walk the list and clear out all fclosed()d files
-+ n = stream->__nextopen;
-+#warning fix for nonatomic
-+ if ((stream->__modeflags & (__FLAG_READONLY|__FLAG_WRITEONLY))
-+ == (__FLAG_READONLY|__FLAG_WRITEONLY)
-+ ) { /* The file was closed so remove from the list. */
-+ if (!p) {
-+ _stdio_openlist = n;
-+ } else {
-+ p->__nextopen = n;
-+ }
-+ __STDIO_STREAM_FREE_FILE(stream);
-+ } else {
-+ p = stream;
-+ }
-+ }
-+ __STDIO_THREADUNLOCK_OPENLIST_DEL;
-+ }
-+ --_stdio_openlist_use_count;
-+ __STDIO_THREADUNLOCK_OPENLIST_DEL;
-+}
-+#endif
-
- int __fflush_unlocked(register FILE *stream)
- {
-@@ -60,23 +87,39 @@ int __fflush_unlocked(register FILE *str
- }
-
- if (!stream) { /* Flush all (lbf) writing streams. */
-- __STDIO_THREADLOCK_OPENLIST;
-- for (stream = _stdio_openlist; stream ; stream = stream->__nextopen) {
-- MY_STDIO_THREADLOCK(stream);
-- if (!(((stream->__modeflags | bufmask)
-- ^ (__FLAG_WRITING|__FLAG_LBF)
-- ) & (__FLAG_WRITING|__MASK_BUFMODE))
-- ) {
-- if (!__STDIO_COMMIT_WRITE_BUFFER(stream)) {
-- __STDIO_STREAM_DISABLE_PUTC(stream);
-- __STDIO_STREAM_CLEAR_WRITING(stream);
-- } else {
-- retval = EOF;
-+
-+ __STDIO_OPENLIST_INC_USE;
-+
-+ __STDIO_THREADLOCK_OPENLIST_ADD;
-+ stream = _stdio_openlist;
-+ __STDIO_THREADUNLOCK_OPENLIST_ADD;
-+
-+ while(stream) {
-+ /* We only care about currently writing streams and do not want to
-+ * block trying to obtain mutexes on non-writing streams. */
-+#warning fix for nonatomic
-+#warning unnecessary check if no threads
-+ if (__STDIO_STREAM_IS_WRITING(stream)) { /* ONLY IF ATOMIC!!! */
-+ __MY_STDIO_THREADLOCK(stream);
-+ /* Need to check again once we have the lock. */
-+ if (!(((stream->__modeflags | bufmask)
-+ ^ (__FLAG_WRITING|__FLAG_LBF)
-+ ) & (__FLAG_WRITING|__MASK_BUFMODE))
-+ ) {
-+ if (!__STDIO_COMMIT_WRITE_BUFFER(stream)) {
-+ __STDIO_STREAM_DISABLE_PUTC(stream);
-+ __STDIO_STREAM_CLEAR_WRITING(stream);
-+ } else {
-+ retval = EOF;
-+ }
- }
-+ __MY_STDIO_THREADUNLOCK(stream);
- }
-- MY_STDIO_THREADUNLOCK(stream);
-+ stream = stream->__nextopen;
- }
-- __STDIO_THREADUNLOCK_OPENLIST;
-+
-+ __STDIO_OPENLIST_DEC_USE;
-+
- } else if (__STDIO_STREAM_IS_WRITING(stream)) {
- if (!__STDIO_COMMIT_WRITE_BUFFER(stream)) {
- __STDIO_STREAM_DISABLE_PUTC(stream);
-diff --git a/libc/stdio/flockfile.c b/libc/stdio/flockfile.c
-index 0dcc7c2..3fad711 100644
---- a/libc/stdio/flockfile.c
-+++ b/libc/stdio/flockfile.c
-@@ -11,6 +11,6 @@ void flockfile(FILE *stream)
- {
- __STDIO_STREAM_VALIDATE(stream);
-
-- __STDIO_ALWAYS_THREADLOCK(stream);
-+ __STDIO_ALWAYS_THREADLOCK_CANCEL_UNSAFE(stream);
- }
-
-diff --git a/libc/stdio/freopen.c b/libc/stdio/freopen.c
-index 0eccaac..36b8488 100644
---- a/libc/stdio/freopen.c
-+++ b/libc/stdio/freopen.c
-@@ -42,6 +42,8 @@ FILE *freopen(const char * __restrict fi
-
- __STDIO_STREAM_VALIDATE(stream);
-
-+ __STDIO_OPENLIST_INC_USE; /* Do not remove the file from the list. */
-+
- /* First, flush and close, but don't deallocate, the stream. */
- /* This also removes the stream for the open file list. */
- dynmode = (stream->__modeflags & (__FLAG_FREEBUF|__FLAG_FREEFILE));
-@@ -57,9 +59,16 @@ FILE *freopen(const char * __restrict fi
-
- fp = _stdio_fopen(((intptr_t) filename), mode, stream, FILEDES_ARG);
-
-+#warning if fp is NULL, then we do not free file (but beware stdin,stdout,stderr)
-+ if (fp) {
-+ __STDIO_OPENLIST_DEC_DEL_CNT;
-+ }
-+
- /* Reset the allocation flags. */
- stream->__modeflags |= dynmode;
-
-+ __STDIO_OPENLIST_DEC_USE;
-+
- __STDIO_AUTO_THREADUNLOCK(stream);
-
- return fp;
-diff --git a/libc/stdio/ftello.c b/libc/stdio/ftello.c
-index 7092f34..69385ce 100644
---- a/libc/stdio/ftello.c
-+++ b/libc/stdio/ftello.c
-@@ -48,7 +48,10 @@ OFFSET_TYPE FTELL(register FILE *stream)
-
- __STDIO_STREAM_VALIDATE(stream);
-
-- if ((__SEEK(stream, &pos, SEEK_CUR) < 0)
-+ if ((__SEEK(stream, &pos,
-+ ((__STDIO_STREAM_IS_WRITING(stream)
-+ && (stream->__modeflags & __FLAG_APPEND))
-+ ? SEEK_END : SEEK_CUR)) < 0)
- || (__stdio_adjust_position(stream, &pos) < 0)) {
- pos = -1;
- }
-diff --git a/libc/stdio/ftrylockfile.c b/libc/stdio/ftrylockfile.c
-index d85b8ff..0d2e156 100644
---- a/libc/stdio/ftrylockfile.c
-+++ b/libc/stdio/ftrylockfile.c
-@@ -15,5 +15,5 @@ int ftrylockfile(FILE *stream)
- {
- __STDIO_STREAM_VALIDATE(stream);
-
-- return __STDIO_ALWAYS_THREADTRYLOCK(stream);
-+ return __STDIO_ALWAYS_THREADTRYLOCK_CANCEL_UNSAFE(stream);
- }
-diff --git a/libc/stdio/funlockfile.c b/libc/stdio/funlockfile.c
-index 048c093..2ddf097 100644
---- a/libc/stdio/funlockfile.c
-+++ b/libc/stdio/funlockfile.c
-@@ -11,5 +11,5 @@ void funlockfile(FILE *stream)
- {
- __STDIO_STREAM_VALIDATE(stream);
-
-- __STDIO_ALWAYS_THREADUNLOCK(stream);
-+ __STDIO_ALWAYS_THREADUNLOCK_CANCEL_UNSAFE(stream);
- }
-diff --git a/libc/stdio/popen.c b/libc/stdio/popen.c
-index c7887ad..ab8d296 100644
---- a/libc/stdio/popen.c
-+++ b/libc/stdio/popen.c
-@@ -14,6 +14,7 @@
- * Fix failure exit code for failed execve().
- */
-
-+#warning hmm... susv3 says "Pipe streams are byte-oriented."
-
- #include <stdio.h>
- #include <stdlib.h>
-@@ -21,6 +22,8 @@
- #include <unistd.h>
- #include <sys/wait.h>
-
-+#include <bits/uClibc_mutex.h>
-+
- /* uClinux-2.0 has vfork, but Linux 2.0 doesn't */
- #include <sys/syscall.h>
- #if ! defined __NR_vfork
-@@ -29,19 +32,11 @@
- # define VFORK_UNLOCK ((void) 0)
- #endif
-
--#ifdef __UCLIBC_HAS_THREADS__
--#include <pthread.h>
--static pthread_mutex_t mylock = PTHREAD_MUTEX_INITIALIZER;
--# define LOCK __pthread_mutex_lock(&mylock)
--# define UNLOCK __pthread_mutex_unlock(&mylock);
--#else
--# define LOCK ((void) 0)
--# define UNLOCK ((void) 0)
--#endif
-+__UCLIBC_MUTEX_STATIC(mylock, PTHREAD_MUTEX_INITIALIZER);
-
- #ifndef VFORK_LOCK
--# define VFORK_LOCK LOCK
--# define VFORK_UNLOCK UNLOCK
-+# define VFORK_LOCK __UCLIBC_MUTEX_LOCK(mylock)
-+# define VFORK_UNLOCK __UCLIBC_MUTEX_UNLOCK(mylock)
- #endif
-
- struct popen_list_item {
-@@ -118,10 +113,10 @@ FILE *popen(const char *command, const c
- if (pid > 0) { /* Parent of vfork... */
- pi->pid = pid;
- pi->f = fp;
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
- pi->next = popen_list;
- popen_list = pi;
-- UNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
-
- return fp;
- }
-@@ -136,6 +131,8 @@ FILE *popen(const char *command, const c
- return NULL;
- }
-
-+#warning is pclose correct wrt the new mutex semantics?
-+
- int pclose(FILE *stream)
- {
- struct popen_list_item *p;
-@@ -144,7 +141,7 @@ int pclose(FILE *stream)
-
- /* First, find the list entry corresponding to stream and remove it
- * from the list. Set p to the list item (NULL if not found). */
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
- if ((p = popen_list) != NULL) {
- if (p->f == stream) {
- popen_list = p->next;
-@@ -163,7 +160,7 @@ int pclose(FILE *stream)
- } while (1);
- }
- }
-- UNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
-
- if (p) {
- pid = p->pid; /* Save the pid we need */
-diff --git a/libc/stdio/setvbuf.c b/libc/stdio/setvbuf.c
-index 3fe62c6..6d53ab1 100644
---- a/libc/stdio/setvbuf.c
-+++ b/libc/stdio/setvbuf.c
-@@ -75,8 +75,8 @@ int setvbuf(register FILE * __restrict s
- }
-
- stream->__modeflags |= alloc_flag;
-- stream->__bufstart = buf;
-- stream->__bufend = buf + size;
-+ stream->__bufstart = (unsigned char *) buf;
-+ stream->__bufend = (unsigned char *) buf + size;
- __STDIO_STREAM_INIT_BUFREAD_BUFPOS(stream);
- __STDIO_STREAM_DISABLE_GETC(stream);
- __STDIO_STREAM_DISABLE_PUTC(stream);
-diff --git a/libc/stdio/vasprintf.c b/libc/stdio/vasprintf.c
-index 688ab7c..6d7664d 100644
---- a/libc/stdio/vasprintf.c
-+++ b/libc/stdio/vasprintf.c
-@@ -63,6 +63,8 @@ int vasprintf(char **__restrict buf, con
- free(*buf);
- *buf = NULL;
- }
-+ } else {
-+ rv = -1;
- }
- }
-
-diff --git a/libc/stdio/vdprintf.c b/libc/stdio/vdprintf.c
-index de8362c..7cb707f 100644
---- a/libc/stdio/vdprintf.c
-+++ b/libc/stdio/vdprintf.c
-@@ -15,8 +15,8 @@ int vdprintf(int filedes, const char * _
- #ifdef __STDIO_BUFFERS
- char buf[64]; /* TODO: provide _optional_ buffering? */
-
-- f.__bufend = buf + sizeof(buf);
-- f.__bufstart = buf;
-+ f.__bufend = (unsigned char *) buf + sizeof(buf);
-+ f.__bufstart = (unsigned char *) buf;
- __STDIO_STREAM_DISABLE_GETC(&f);
- __STDIO_STREAM_DISABLE_PUTC(&f);
- __STDIO_STREAM_INIT_BUFREAD_BUFPOS(&f);
-diff --git a/libc/stdio/vfprintf.c b/libc/stdio/vfprintf.c
-index 10114f0..9214e3b 100644
---- a/libc/stdio/vfprintf.c
-+++ b/libc/stdio/vfprintf.c
-@@ -569,7 +569,7 @@ int _ppfs_init(register ppfs_t *ppfs, co
- ppfs->fmtpos = fmt0; /* rewind */
- }
-
--#ifdef NL_MAX_ARG
-+#ifdef NL_ARGMAX
- /* If we have positional args, make sure we know all the types. */
- {
- register int *p = ppfs->argtype;
-@@ -581,7 +581,7 @@ int _ppfs_init(register ppfs_t *ppfs, co
- ++p;
- }
- }
--#endif /* NL_MAX_ARG */
-+#endif /* NL_ARGMAX */
-
- return 0;
- }
-@@ -1214,7 +1214,7 @@ static size_t _fp_out_narrow(FILE *fp, i
- }
- len = buflen;
- }
-- return r + OUTNSTR(fp, (const char *) buf, len);
-+ return r + OUTNSTR(fp, (const unsigned char *) buf, len);
- }
-
- #endif /* __STDIO_PRINTF_FLOAT */
-diff --git a/libc/stdlib/abort.c b/libc/stdlib/abort.c
-index 77c2cdc..9f69918 100644
---- a/libc/stdlib/abort.c
-+++ b/libc/stdlib/abort.c
-@@ -70,16 +70,9 @@ extern void _exit __P((int __status)) __
- static int been_there_done_that = 0;
-
- /* Be prepared in case multiple threads try to abort() */
--#ifdef __UCLIBC_HAS_THREADS__
--# include <pthread.h>
--static pthread_mutex_t mylock = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
--# define LOCK __pthread_mutex_lock(&mylock)
--# define UNLOCK __pthread_mutex_unlock(&mylock)
--#else
--# define LOCK
--# define UNLOCK
--#endif
-+#include <bits/uClibc_mutex.h>
-
-+__UCLIBC_MUTEX_STATIC(mylock, PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP);
-
- /* Cause an abnormal program termination with core-dump */
- void abort(void)
-@@ -87,7 +80,7 @@ void abort(void)
- sigset_t sigset;
-
- /* Make sure we acquire the lock before proceeding */
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK_CANCEL_UNSAFE(mylock);
-
- /* Unmask SIGABRT to be sure we can get it */
- if (__sigemptyset(&sigset) == 0 && __sigaddset(&sigset, SIGABRT) == 0) {
-@@ -110,9 +103,9 @@ void abort(void)
- #endif
-
- abort_it:
-- UNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK_CANCEL_UNSAFE(mylock);
- raise(SIGABRT);
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK_CANCEL_UNSAFE(mylock);
- }
-
- /* Still here? Try to remove any signal handlers */
-diff --git a/libc/stdlib/atexit.c b/libc/stdlib/atexit.c
-index 280f42c..b028068 100644
---- a/libc/stdlib/atexit.c
-+++ b/libc/stdlib/atexit.c
-@@ -40,17 +40,9 @@
- #include <stdlib.h>
- #include <errno.h>
-
-+#include <bits/uClibc_mutex.h>
-
--#ifdef __UCLIBC_HAS_THREADS__
--#include <pthread.h>
--extern pthread_mutex_t mylock;
--# define LOCK __pthread_mutex_lock(&mylock)
--# define UNLOCK __pthread_mutex_unlock(&mylock);
--#else
--# define LOCK
--# define UNLOCK
--#endif
--
-+__UCLIBC_MUTEX_EXTERN(__atexit_lock);
-
- typedef void (*aefuncp) (void); /* atexit function pointer */
- typedef void (*oefuncp) (int, void *); /* on_exit function pointer */
-@@ -90,8 +82,9 @@ extern struct exit_function __exit_funct
- int atexit(aefuncp func)
- {
- struct exit_function *efp;
-+ int rv = -1;
-
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(__atexit_lock);
- if (func) {
- #ifdef __UCLIBC_DYNAMIC_ATEXIT__
- /* If we are out of function table slots, make some more */
-@@ -99,18 +92,16 @@ int atexit(aefuncp func)
- efp=realloc(__exit_function_table,
- (__exit_slots+20)*sizeof(struct exit_function));
- if (efp==NULL) {
-- UNLOCK;
- __set_errno(ENOMEM);
-- return -1;
-+ goto DONE;
- }
- __exit_function_table = efp;
- __exit_slots+=20;
- }
- #else
- if (__exit_count >= __UCLIBC_MAX_ATEXIT) {
-- UNLOCK;
- __set_errno(ENOMEM);
-- return -1;
-+ goto DONE;
- }
- #endif
- __exit_cleanup = __exit_handler; /* enable cleanup */
-@@ -118,8 +109,12 @@ int atexit(aefuncp func)
- efp->type = ef_atexit;
- efp->funcs.atexit = func;
- }
-- UNLOCK;
-- return 0;
-+
-+ rv = 0;
-+
-+ DONE:
-+ __UCLIBC_MUTEX_UNLOCK(__atexit_lock);
-+ return rv;
- }
- #endif
-
-@@ -133,8 +128,9 @@ int atexit(aefuncp func)
- int on_exit(oefuncp func, void *arg)
- {
- struct exit_function *efp;
-+ int rv = -1;
-
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(__atexit_lock);
- if (func) {
- #ifdef __UCLIBC_DYNAMIC_ATEXIT__
- /* If we are out of function table slots, make some more */
-@@ -142,18 +138,16 @@ int on_exit(oefuncp func, void *arg)
- efp=realloc(__exit_function_table,
- (__exit_slots+20)*sizeof(struct exit_function));
- if (efp==NULL) {
-- UNLOCK;
- __set_errno(ENOMEM);
-- return -1;
-+ goto DONE;
- }
- __exit_function_table=efp;
- __exit_slots+=20;
- }
- #else
- if (__exit_count >= __UCLIBC_MAX_ATEXIT) {
-- UNLOCK;
- __set_errno(ENOMEM);
-- return -1;
-+ goto DONE;
- }
- #endif
-
-@@ -163,8 +157,12 @@ int on_exit(oefuncp func, void *arg)
- efp->funcs.on_exit.func = func;
- efp->funcs.on_exit.arg = arg;
- }
-- UNLOCK;
-- return 0;
-+
-+ rv = 0;
-+
-+ DONE:
-+ __UCLIBC_MUTEX_UNLOCK(__atexit_lock);
-+ return rv;
- }
- #endif
-
-@@ -214,9 +212,8 @@ void __exit_handler(int status)
- #ifdef L_exit
- extern void weak_function _stdio_term(void);
- void (*__exit_cleanup) (int) = 0;
--#ifdef __UCLIBC_HAS_THREADS__
--pthread_mutex_t mylock = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
--#endif
-+
-+__UCLIBC_MUTEX_INIT(__atexit_lock, PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP);
-
- #ifdef __UCLIBC_CTOR_DTOR__
- extern void (*__app_fini)(void);
-@@ -229,11 +226,11 @@ extern void (*__rtld_fini)(void);
- void exit(int rv)
- {
- /* Perform exit-specific cleanup (atexit and on_exit) */
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(__atexit_lock);
- if (__exit_cleanup) {
- __exit_cleanup(rv);
- }
-- UNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(__atexit_lock);
-
- #ifdef __UCLIBC_CTOR_DTOR__
- if (__app_fini != NULL)
-diff --git a/libc/stdlib/malloc-simple/alloc.c b/libc/stdlib/malloc-simple/alloc.c
-index ed14c37..519a875 100644
---- a/libc/stdlib/malloc-simple/alloc.c
-+++ b/libc/stdlib/malloc-simple/alloc.c
-@@ -108,15 +108,14 @@ void free(void *ptr)
- #endif
-
- #ifdef L_memalign
--#ifdef __UCLIBC_HAS_THREADS__
--#include <pthread.h>
--pthread_mutex_t __malloc_lock = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
--# define LOCK __pthread_mutex_lock(&__malloc_lock)
--# define UNLOCK __pthread_mutex_unlock(&__malloc_lock);
--#else
--# define LOCK
--# define UNLOCK
--#endif
-+
-+#include <bits/uClibc_mutex.h>
-+
-+__UCLIBC_MUTEX_EXTERN(__malloc_lock);
-+
-+#define __MALLOC_LOCK __UCLIBC_MUTEX_LOCK(__malloc_lock)
-+#define __MALLOC_UNLOCK __UCLIBC_MUTEX_UNLOCK(__malloc_lock)
-+
-
- /* List of blocks allocated with memalign or valloc */
- struct alignlist
-@@ -135,7 +134,7 @@ int __libc_free_aligned(void *ptr)
- if (ptr == NULL)
- return 0;
-
-- LOCK;
-+ __MALLOC_LOCK;
- for (l = _aligned_blocks; l != NULL; l = l->next) {
- if (l->aligned == ptr) {
- /* Mark the block as free */
-@@ -146,7 +145,7 @@ int __libc_free_aligned(void *ptr)
- return 1;
- }
- }
-- UNLOCK;
-+ __MALLOC_UNLOCK;
- return 0;
- }
- void * memalign (size_t alignment, size_t size)
-@@ -159,10 +158,10 @@ void * memalign (size_t alignment, size_
- return NULL;
-
- adj = (unsigned long int) ((unsigned long int) ((char *) result -
-- (char *) NULL)) % alignment;
-+ (char *) NULL)) % alignment;
- if (adj != 0) {
- struct alignlist *l;
-- LOCK;
-+ __MALLOC_LOCK;
- for (l = _aligned_blocks; l != NULL; l = l->next)
- if (l->aligned == NULL)
- /* This slot is free. Use it. */
-@@ -171,15 +170,16 @@ void * memalign (size_t alignment, size_
- l = (struct alignlist *) malloc (sizeof (struct alignlist));
- if (l == NULL) {
- free(result);
-- UNLOCK;
-- return NULL;
-+ result = NULL;
-+ goto DONE;
- }
- l->next = _aligned_blocks;
- _aligned_blocks = l;
- }
- l->exact = result;
- result = l->aligned = (char *) result + alignment - adj;
-- UNLOCK;
-+ DONE:
-+ __MALLOC_UNLOCK;
- }
-
- return result;
-diff --git a/libc/stdlib/malloc-standard/calloc.c b/libc/stdlib/malloc-standard/calloc.c
-index a67dad7..4277954 100644
---- a/libc/stdlib/malloc-standard/calloc.c
-+++ b/libc/stdlib/malloc-standard/calloc.c
-@@ -8,7 +8,7 @@
- VERSION 2.7.2 Sat Aug 17 09:07:30 2002 Doug Lea (dl at gee)
-
- Note: There may be an updated version of this malloc obtainable at
-- ftp://gee.cs.oswego.edu/pub/misc/malloc.c
-+ ftp://gee.cs.oswego.edu/pub/misc/malloc.c
- Check before installing!
-
- Hacked up for uClibc by Erik Andersen <andersen@codepoet.org>
-@@ -31,63 +31,63 @@ void* calloc(size_t n_elements, size_t e
- * to fall through and call malloc(0) */
- size = n_elements * elem_size;
- if (n_elements && elem_size != (size / n_elements)) {
-- __set_errno(ENOMEM);
-- return NULL;
-+ __set_errno(ENOMEM);
-+ return NULL;
- }
-
-- LOCK;
-+ __MALLOC_LOCK;
- mem = malloc(size);
- if (mem != 0) {
-- p = mem2chunk(mem);
-+ p = mem2chunk(mem);
-
-- if (!chunk_is_mmapped(p))
-- {
-- /*
-- Unroll clear of <= 36 bytes (72 if 8byte sizes)
-- We know that contents have an odd number of
-- size_t-sized words; minimally 3.
-- */
--
-- d = (size_t*)mem;
-- clearsize = chunksize(p) - (sizeof(size_t));
-- nclears = clearsize / sizeof(size_t);
-- assert(nclears >= 3);
--
-- if (nclears > 9)
-- memset(d, 0, clearsize);
--
-- else {
-- *(d+0) = 0;
-- *(d+1) = 0;
-- *(d+2) = 0;
-- if (nclears > 4) {
-- *(d+3) = 0;
-- *(d+4) = 0;
-- if (nclears > 6) {
-- *(d+5) = 0;
-- *(d+6) = 0;
-- if (nclears > 8) {
-- *(d+7) = 0;
-- *(d+8) = 0;
-+ if (!chunk_is_mmapped(p))
-+ {
-+ /*
-+ Unroll clear of <= 36 bytes (72 if 8byte sizes)
-+ We know that contents have an odd number of
-+ size_t-sized words; minimally 3.
-+ */
-+
-+ d = (size_t*)mem;
-+ clearsize = chunksize(p) - (sizeof(size_t));
-+ nclears = clearsize / sizeof(size_t);
-+ assert(nclears >= 3);
-+
-+ if (nclears > 9)
-+ memset(d, 0, clearsize);
-+
-+ else {
-+ *(d+0) = 0;
-+ *(d+1) = 0;
-+ *(d+2) = 0;
-+ if (nclears > 4) {
-+ *(d+3) = 0;
-+ *(d+4) = 0;
-+ if (nclears > 6) {
-+ *(d+5) = 0;
-+ *(d+6) = 0;
-+ if (nclears > 8) {
-+ *(d+7) = 0;
-+ *(d+8) = 0;
-+ }
-+ }
-+ }
-+ }
- }
-- }
-- }
-- }
-- }
- #if 0
-- else
-- {
-- /* Standard unix mmap using /dev/zero clears memory so calloc
-- * doesn't need to actually zero anything....
-- */
-- d = (size_t*)mem;
-- /* Note the additional (sizeof(size_t)) */
-- clearsize = chunksize(p) - 2*(sizeof(size_t));
-- memset(d, 0, clearsize);
-- }
-+ else
-+ {
-+ /* Standard unix mmap using /dev/zero clears memory so calloc
-+ * doesn't need to actually zero anything....
-+ */
-+ d = (size_t*)mem;
-+ /* Note the additional (sizeof(size_t)) */
-+ clearsize = chunksize(p) - 2*(sizeof(size_t));
-+ memset(d, 0, clearsize);
-+ }
- #endif
- }
-- UNLOCK;
-+ __MALLOC_UNLOCK;
- return mem;
- }
-
-diff --git a/libc/stdlib/malloc-standard/free.c b/libc/stdlib/malloc-standard/free.c
-index 94e1d65..4e08ef7 100644
---- a/libc/stdlib/malloc-standard/free.c
-+++ b/libc/stdlib/malloc-standard/free.c
-@@ -8,7 +8,7 @@
- VERSION 2.7.2 Sat Aug 17 09:07:30 2002 Doug Lea (dl at gee)
-
- Note: There may be an updated version of this malloc obtainable at
-- ftp://gee.cs.oswego.edu/pub/misc/malloc.c
-+ ftp://gee.cs.oswego.edu/pub/misc/malloc.c
- Check before installing!
-
- Hacked up for uClibc by Erik Andersen <andersen@codepoet.org>
-@@ -42,71 +42,71 @@ static int __malloc_trim(size_t pad, mst
-
- if (extra > 0) {
-
-- /*
-- Only proceed if end of memory is where we last set it.
-- This avoids problems if there were foreign sbrk calls.
-- */
-- current_brk = (char*)(MORECORE(0));
-- if (current_brk == (char*)(av->top) + top_size) {
--
-- /*
-- Attempt to release memory. We ignore MORECORE return value,
-- and instead call again to find out where new end of memory is.
-- This avoids problems if first call releases less than we asked,
-- of if failure somehow altered brk value. (We could still
-- encounter problems if it altered brk in some very bad way,
-- but the only thing we can do is adjust anyway, which will cause
-- some downstream failure.)
-- */
--
-- MORECORE(-extra);
-- new_brk = (char*)(MORECORE(0));
--
-- if (new_brk != (char*)MORECORE_FAILURE) {
-- released = (long)(current_brk - new_brk);
--
-- if (released != 0) {
-- /* Success. Adjust top. */
-- av->sbrked_mem -= released;
-- set_head(av->top, (top_size - released) | PREV_INUSE);
-- check_malloc_state();
-- return 1;
-+ /*
-+ Only proceed if end of memory is where we last set it.
-+ This avoids problems if there were foreign sbrk calls.
-+ */
-+ current_brk = (char*)(MORECORE(0));
-+ if (current_brk == (char*)(av->top) + top_size) {
-+
-+ /*
-+ Attempt to release memory. We ignore MORECORE return value,
-+ and instead call again to find out where new end of memory is.
-+ This avoids problems if first call releases less than we asked,
-+ of if failure somehow altered brk value. (We could still
-+ encounter problems if it altered brk in some very bad way,
-+ but the only thing we can do is adjust anyway, which will cause
-+ some downstream failure.)
-+ */
-+
-+ MORECORE(-extra);
-+ new_brk = (char*)(MORECORE(0));
-+
-+ if (new_brk != (char*)MORECORE_FAILURE) {
-+ released = (long)(current_brk - new_brk);
-+
-+ if (released != 0) {
-+ /* Success. Adjust top. */
-+ av->sbrked_mem -= released;
-+ set_head(av->top, (top_size - released) | PREV_INUSE);
-+ check_malloc_state();
-+ return 1;
-+ }
-+ }
- }
-- }
-- }
- }
- return 0;
- }
-
- /* ------------------------- malloc_trim -------------------------
-- malloc_trim(size_t pad);
-+ malloc_trim(size_t pad);
-
-- If possible, gives memory back to the system (via negative
-- arguments to sbrk) if there is unused memory at the `high' end of
-- the malloc pool. You can call this after freeing large blocks of
-- memory to potentially reduce the system-level memory requirements
-- of a program. However, it cannot guarantee to reduce memory. Under
-- some allocation patterns, some large free blocks of memory will be
-- locked between two used chunks, so they cannot be given back to
-- the system.
--
-- The `pad' argument to malloc_trim represents the amount of free
-- trailing space to leave untrimmed. If this argument is zero,
-- only the minimum amount of memory to maintain internal data
-- structures will be left (one page or less). Non-zero arguments
-- can be supplied to maintain enough trailing space to service
-- future expected allocations without having to re-obtain memory
-- from the system.
--
-- Malloc_trim returns 1 if it actually released any memory, else 0.
-- On systems that do not support "negative sbrks", it will always
-- return 0.
-+ If possible, gives memory back to the system (via negative
-+ arguments to sbrk) if there is unused memory at the `high' end of
-+ the malloc pool. You can call this after freeing large blocks of
-+ memory to potentially reduce the system-level memory requirements
-+ of a program. However, it cannot guarantee to reduce memory. Under
-+ some allocation patterns, some large free blocks of memory will be
-+ locked between two used chunks, so they cannot be given back to
-+ the system.
-+
-+ The `pad' argument to malloc_trim represents the amount of free
-+ trailing space to leave untrimmed. If this argument is zero,
-+ only the minimum amount of memory to maintain internal data
-+ structures will be left (one page or less). Non-zero arguments
-+ can be supplied to maintain enough trailing space to service
-+ future expected allocations without having to re-obtain memory
-+ from the system.
-+
-+ Malloc_trim returns 1 if it actually released any memory, else 0.
-+ On systems that do not support "negative sbrks", it will always
-+ return 0.
- */
- int malloc_trim(size_t pad)
- {
-- mstate av = get_malloc_state();
-- __malloc_consolidate(av);
-- return __malloc_trim(pad, av);
-+ mstate av = get_malloc_state();
-+ __malloc_consolidate(av);
-+ return __malloc_trim(pad, av);
- }
-
- /*
-@@ -125,8 +125,8 @@ static void malloc_init_state(mstate av)
-
- /* Establish circular links for normal bins */
- for (i = 1; i < NBINS; ++i) {
-- bin = bin_at(av,i);
-- bin->fd = bin->bk = bin;
-+ bin = bin_at(av,i);
-+ bin->fd = bin->bk = bin;
- }
-
- av->top_pad = DEFAULT_TOP_PAD;
-@@ -157,15 +157,15 @@ static void malloc_init_state(mstate av)
-
- /* ------------------------- __malloc_consolidate -------------------------
-
-- __malloc_consolidate is a specialized version of free() that tears
-- down chunks held in fastbins. Free itself cannot be used for this
-- purpose since, among other things, it might place chunks back onto
-- fastbins. So, instead, we need to use a minor variant of the same
-- code.
--
-- Also, because this routine needs to be called the first time through
-- malloc anyway, it turns out to be the perfect place to trigger
-- initialization code.
-+__malloc_consolidate is a specialized version of free() that tears
-+down chunks held in fastbins. Free itself cannot be used for this
-+purpose since, among other things, it might place chunks back onto
-+fastbins. So, instead, we need to use a minor variant of the same
-+code.
-+
-+Also, because this routine needs to be called the first time through
-+malloc anyway, it turns out to be the perfect place to trigger
-+initialization code.
- */
- void __malloc_consolidate(mstate av)
- {
-@@ -186,78 +186,78 @@ void __malloc_consolidate(mstate av)
- mchunkptr fwd;
-
- /*
-- If max_fast is 0, we know that av hasn't
-- yet been initialized, in which case do so below
-- */
-+ If max_fast is 0, we know that av hasn't
-+ yet been initialized, in which case do so below
-+ */
-
- if (av->max_fast != 0) {
-- clear_fastchunks(av);
-+ clear_fastchunks(av);
-
-- unsorted_bin = unsorted_chunks(av);
-+ unsorted_bin = unsorted_chunks(av);
-
-- /*
-- Remove each chunk from fast bin and consolidate it, placing it
-- then in unsorted bin. Among other reasons for doing this,
-- placing in unsorted bin avoids needing to calculate actual bins
-- until malloc is sure that chunks aren't immediately going to be
-- reused anyway.
-- */
--
-- maxfb = &(av->fastbins[fastbin_index(av->max_fast)]);
-- fb = &(av->fastbins[0]);
-- do {
-- if ( (p = *fb) != 0) {
-- *fb = 0;
-+ /*
-+ Remove each chunk from fast bin and consolidate it, placing it
-+ then in unsorted bin. Among other reasons for doing this,
-+ placing in unsorted bin avoids needing to calculate actual bins
-+ until malloc is sure that chunks aren't immediately going to be
-+ reused anyway.
-+ */
-
-+ maxfb = &(av->fastbins[fastbin_index(av->max_fast)]);
-+ fb = &(av->fastbins[0]);
- do {
-- check_inuse_chunk(p);
-- nextp = p->fd;
-+ if ( (p = *fb) != 0) {
-+ *fb = 0;
-
-- /* Slightly streamlined version of consolidation code in free() */
-- size = p->size & ~PREV_INUSE;
-- nextchunk = chunk_at_offset(p, size);
-- nextsize = chunksize(nextchunk);
-+ do {
-+ check_inuse_chunk(p);
-+ nextp = p->fd;
-+
-+ /* Slightly streamlined version of consolidation code in free() */
-+ size = p->size & ~PREV_INUSE;
-+ nextchunk = chunk_at_offset(p, size);
-+ nextsize = chunksize(nextchunk);
-+
-+ if (!prev_inuse(p)) {
-+ prevsize = p->prev_size;
-+ size += prevsize;
-+ p = chunk_at_offset(p, -((long) prevsize));
-+ unlink(p, bck, fwd);
-+ }
-+
-+ if (nextchunk != av->top) {
-+ nextinuse = inuse_bit_at_offset(nextchunk, nextsize);
-+ set_head(nextchunk, nextsize);
-+
-+ if (!nextinuse) {
-+ size += nextsize;
-+ unlink(nextchunk, bck, fwd);
-+ }
-+
-+ first_unsorted = unsorted_bin->fd;
-+ unsorted_bin->fd = p;
-+ first_unsorted->bk = p;
-+
-+ set_head(p, size | PREV_INUSE);
-+ p->bk = unsorted_bin;
-+ p->fd = first_unsorted;
-+ set_foot(p, size);
-+ }
-+
-+ else {
-+ size += nextsize;
-+ set_head(p, size | PREV_INUSE);
-+ av->top = p;
-+ }
-
-- if (!prev_inuse(p)) {
-- prevsize = p->prev_size;
-- size += prevsize;
-- p = chunk_at_offset(p, -((long) prevsize));
-- unlink(p, bck, fwd);
-- }
-+ } while ( (p = nextp) != 0);
-
-- if (nextchunk != av->top) {
-- nextinuse = inuse_bit_at_offset(nextchunk, nextsize);
-- set_head(nextchunk, nextsize);
--
-- if (!nextinuse) {
-- size += nextsize;
-- unlink(nextchunk, bck, fwd);
- }
--
-- first_unsorted = unsorted_bin->fd;
-- unsorted_bin->fd = p;
-- first_unsorted->bk = p;
--
-- set_head(p, size | PREV_INUSE);
-- p->bk = unsorted_bin;
-- p->fd = first_unsorted;
-- set_foot(p, size);
-- }
--
-- else {
-- size += nextsize;
-- set_head(p, size | PREV_INUSE);
-- av->top = p;
-- }
--
-- } while ( (p = nextp) != 0);
--
-- }
-- } while (fb++ != maxfb);
-+ } while (fb++ != maxfb);
- }
- else {
-- malloc_init_state(av);
-- check_malloc_state();
-+ malloc_init_state(av);
-+ check_malloc_state();
- }
- }
-
-@@ -279,9 +279,9 @@ void free(void* mem)
-
- /* free(0) has no effect */
- if (mem == NULL)
-- return;
-+ return;
-
-- LOCK;
-+ __MALLOC_LOCK;
- av = get_malloc_state();
- p = mem2chunk(mem);
- size = chunksize(p);
-@@ -289,9 +289,9 @@ void free(void* mem)
- check_inuse_chunk(p);
-
- /*
-- If eligible, place chunk on a fastbin so it can be found
-- and used quickly in malloc.
-- */
-+ If eligible, place chunk on a fastbin so it can be found
-+ and used quickly in malloc.
-+ */
-
- if ((unsigned long)(size) <= (unsigned long)(av->max_fast)
-
-@@ -300,114 +300,114 @@ void free(void* mem)
- bordering top into fastbins */
- && (chunk_at_offset(p, size) != av->top)
- #endif
-- ) {
-+ ) {
-
-- set_fastchunks(av);
-- fb = &(av->fastbins[fastbin_index(size)]);
-- p->fd = *fb;
-- *fb = p;
-+ set_fastchunks(av);
-+ fb = &(av->fastbins[fastbin_index(size)]);
-+ p->fd = *fb;
-+ *fb = p;
- }
-
- /*
-- Consolidate other non-mmapped chunks as they arrive.
-- */
-+ Consolidate other non-mmapped chunks as they arrive.
-+ */
-
- else if (!chunk_is_mmapped(p)) {
-- set_anychunks(av);
-+ set_anychunks(av);
-+
-+ nextchunk = chunk_at_offset(p, size);
-+ nextsize = chunksize(nextchunk);
-+
-+ /* consolidate backward */
-+ if (!prev_inuse(p)) {
-+ prevsize = p->prev_size;
-+ size += prevsize;
-+ p = chunk_at_offset(p, -((long) prevsize));
-+ unlink(p, bck, fwd);
-+ }
-+
-+ if (nextchunk != av->top) {
-+ /* get and clear inuse bit */
-+ nextinuse = inuse_bit_at_offset(nextchunk, nextsize);
-+ set_head(nextchunk, nextsize);
-+
-+ /* consolidate forward */
-+ if (!nextinuse) {
-+ unlink(nextchunk, bck, fwd);
-+ size += nextsize;
-+ }
-+
-+ /*
-+ Place the chunk in unsorted chunk list. Chunks are
-+ not placed into regular bins until after they have
-+ been given one chance to be used in malloc.
-+ */
-+
-+ bck = unsorted_chunks(av);
-+ fwd = bck->fd;
-+ p->bk = bck;
-+ p->fd = fwd;
-+ bck->fd = p;
-+ fwd->bk = p;
-
-- nextchunk = chunk_at_offset(p, size);
-- nextsize = chunksize(nextchunk);
-+ set_head(p, size | PREV_INUSE);
-+ set_foot(p, size);
-+
-+ check_free_chunk(p);
-+ }
-+
-+ /*
-+ If the chunk borders the current high end of memory,
-+ consolidate into top
-+ */
-
-- /* consolidate backward */
-- if (!prev_inuse(p)) {
-- prevsize = p->prev_size;
-- size += prevsize;
-- p = chunk_at_offset(p, -((long) prevsize));
-- unlink(p, bck, fwd);
-- }
--
-- if (nextchunk != av->top) {
-- /* get and clear inuse bit */
-- nextinuse = inuse_bit_at_offset(nextchunk, nextsize);
-- set_head(nextchunk, nextsize);
--
-- /* consolidate forward */
-- if (!nextinuse) {
-- unlink(nextchunk, bck, fwd);
-- size += nextsize;
-- }
--
-- /*
-- Place the chunk in unsorted chunk list. Chunks are
-- not placed into regular bins until after they have
-- been given one chance to be used in malloc.
-- */
--
-- bck = unsorted_chunks(av);
-- fwd = bck->fd;
-- p->bk = bck;
-- p->fd = fwd;
-- bck->fd = p;
-- fwd->bk = p;
--
-- set_head(p, size | PREV_INUSE);
-- set_foot(p, size);
--
-- check_free_chunk(p);
-- }
--
-- /*
-- If the chunk borders the current high end of memory,
-- consolidate into top
-- */
--
-- else {
-- size += nextsize;
-- set_head(p, size | PREV_INUSE);
-- av->top = p;
-- check_chunk(p);
-- }
--
-- /*
-- If freeing a large space, consolidate possibly-surrounding
-- chunks. Then, if the total unused topmost memory exceeds trim
-- threshold, ask malloc_trim to reduce top.
--
-- Unless max_fast is 0, we don't know if there are fastbins
-- bordering top, so we cannot tell for sure whether threshold
-- has been reached unless fastbins are consolidated. But we
-- don't want to consolidate on each free. As a compromise,
-- consolidation is performed if FASTBIN_CONSOLIDATION_THRESHOLD
-- is reached.
-- */
--
-- if ((unsigned long)(size) >= FASTBIN_CONSOLIDATION_THRESHOLD) {
-- if (have_fastchunks(av))
-- __malloc_consolidate(av);
--
-- if ((unsigned long)(chunksize(av->top)) >=
-- (unsigned long)(av->trim_threshold))
-- __malloc_trim(av->top_pad, av);
-- }
-+ else {
-+ size += nextsize;
-+ set_head(p, size | PREV_INUSE);
-+ av->top = p;
-+ check_chunk(p);
-+ }
-+
-+ /*
-+ If freeing a large space, consolidate possibly-surrounding
-+ chunks. Then, if the total unused topmost memory exceeds trim
-+ threshold, ask malloc_trim to reduce top.
-+
-+ Unless max_fast is 0, we don't know if there are fastbins
-+ bordering top, so we cannot tell for sure whether threshold
-+ has been reached unless fastbins are consolidated. But we
-+ don't want to consolidate on each free. As a compromise,
-+ consolidation is performed if FASTBIN_CONSOLIDATION_THRESHOLD
-+ is reached.
-+ */
-+
-+ if ((unsigned long)(size) >= FASTBIN_CONSOLIDATION_THRESHOLD) {
-+ if (have_fastchunks(av))
-+ __malloc_consolidate(av);
-+
-+ if ((unsigned long)(chunksize(av->top)) >=
-+ (unsigned long)(av->trim_threshold))
-+ __malloc_trim(av->top_pad, av);
-+ }
-
- }
- /*
-- If the chunk was allocated via mmap, release via munmap()
-- Note that if HAVE_MMAP is false but chunk_is_mmapped is
-- true, then user must have overwritten memory. There's nothing
-- we can do to catch this error unless DEBUG is set, in which case
-- check_inuse_chunk (above) will have triggered error.
-- */
-+ If the chunk was allocated via mmap, release via munmap()
-+ Note that if HAVE_MMAP is false but chunk_is_mmapped is
-+ true, then user must have overwritten memory. There's nothing
-+ we can do to catch this error unless DEBUG is set, in which case
-+ check_inuse_chunk (above) will have triggered error.
-+ */
-
- else {
-- int ret;
-- size_t offset = p->prev_size;
-- av->n_mmaps--;
-- av->mmapped_mem -= (size + offset);
-- ret = munmap((char*)p - offset, size + offset);
-- /* munmap returns non-zero on failure */
-- assert(ret == 0);
-+ int ret;
-+ size_t offset = p->prev_size;
-+ av->n_mmaps--;
-+ av->mmapped_mem -= (size + offset);
-+ ret = munmap((char*)p - offset, size + offset);
-+ /* munmap returns non-zero on failure */
-+ assert(ret == 0);
- }
-- UNLOCK;
-+ __MALLOC_UNLOCK;
- }
-
-diff --git a/libc/stdlib/malloc-standard/mallinfo.c b/libc/stdlib/malloc-standard/mallinfo.c
-index 51ac423..1e0875c 100644
---- a/libc/stdlib/malloc-standard/mallinfo.c
-+++ b/libc/stdlib/malloc-standard/mallinfo.c
-@@ -8,7 +8,7 @@
- VERSION 2.7.2 Sat Aug 17 09:07:30 2002 Doug Lea (dl at gee)
-
- Note: There may be an updated version of this malloc obtainable at
-- ftp://gee.cs.oswego.edu/pub/misc/malloc.c
-+ ftp://gee.cs.oswego.edu/pub/misc/malloc.c
- Check before installing!
-
- Hacked up for uClibc by Erik Andersen <andersen@codepoet.org>
-@@ -30,11 +30,11 @@ struct mallinfo mallinfo(void)
- int nblocks;
- int nfastblocks;
-
-- LOCK;
-+ __MALLOC_LOCK;
- av = get_malloc_state();
- /* Ensure initialization */
- if (av->top == 0) {
-- __malloc_consolidate(av);
-+ __malloc_consolidate(av);
- }
-
- check_malloc_state();
-@@ -48,21 +48,21 @@ struct mallinfo mallinfo(void)
- fastavail = 0;
-
- for (i = 0; i < NFASTBINS; ++i) {
-- for (p = av->fastbins[i]; p != 0; p = p->fd) {
-- ++nfastblocks;
-- fastavail += chunksize(p);
-- }
-+ for (p = av->fastbins[i]; p != 0; p = p->fd) {
-+ ++nfastblocks;
-+ fastavail += chunksize(p);
-+ }
- }
-
- avail += fastavail;
-
- /* traverse regular bins */
- for (i = 1; i < NBINS; ++i) {
-- b = bin_at(av, i);
-- for (p = last(b); p != b; p = p->bk) {
-- ++nblocks;
-- avail += chunksize(p);
-- }
-+ b = bin_at(av, i);
-+ for (p = last(b); p != b; p = p->bk) {
-+ ++nblocks;
-+ avail += chunksize(p);
-+ }
- }
-
- mi.smblks = nfastblocks;
-@@ -75,7 +75,7 @@ struct mallinfo mallinfo(void)
- mi.fsmblks = fastavail;
- mi.keepcost = chunksize(av->top);
- mi.usmblks = av->max_total_mem;
-- UNLOCK;
-+ __MALLOC_UNLOCK;
- return mi;
- }
-
-@@ -84,23 +84,40 @@ void malloc_stats(FILE *file)
- struct mallinfo mi;
-
- if (file==NULL) {
-- file = stderr;
-+ file = stderr;
- }
-
- mi = mallinfo();
-- fprintf(file, "total bytes allocated = %10u\n", (unsigned int)(mi.arena + mi.hblkhd));
-- fprintf(file, "total bytes in use bytes = %10u\n", (unsigned int)(mi.uordblks + mi.hblkhd));
-- fprintf(file, "total non-mmapped bytes allocated = %10d\n", mi.arena);
-- fprintf(file, "number of mmapped regions = %10d\n", mi.hblks);
-- fprintf(file, "total allocated mmap space = %10d\n", mi.hblkhd);
-- fprintf(file, "total allocated sbrk space = %10d\n", mi.uordblks);
-+ fprintf(file,
-+ "total bytes allocated = %10u\n"
-+ "total bytes in use bytes = %10u\n"
-+ "total non-mmapped bytes allocated = %10d\n"
-+ "number of mmapped regions = %10d\n"
-+ "total allocated mmap space = %10d\n"
-+ "total allocated sbrk space = %10d\n"
- #if 0
-- fprintf(file, "number of free chunks = %10d\n", mi.ordblks);
-- fprintf(file, "number of fastbin blocks = %10d\n", mi.smblks);
-- fprintf(file, "space in freed fastbin blocks = %10d\n", mi.fsmblks);
-+ "number of free chunks = %10d\n"
-+ "number of fastbin blocks = %10d\n"
-+ "space in freed fastbin blocks = %10d\n"
- #endif
-- fprintf(file, "maximum total allocated space = %10d\n", mi.usmblks);
-- fprintf(file, "total free space = %10d\n", mi.fordblks);
-- fprintf(file, "memory releasable via malloc_trim = %10d\n", mi.keepcost);
-+ "maximum total allocated space = %10d\n"
-+ "total free space = %10d\n"
-+ "memory releasable via malloc_trim = %10d\n",
-+
-+ (unsigned int)(mi.arena + mi.hblkhd),
-+ (unsigned int)(mi.uordblks + mi.hblkhd),
-+ mi.arena,
-+ mi.hblks,
-+ mi.hblkhd,
-+ mi.uordblks,
-+#if 0
-+ mi.ordblks,
-+ mi.smblks,
-+ mi.fsmblks,
-+#endif
-+ mi.usmblks,
-+ mi.fordblks,
-+ mi.keepcost
-+ );
- }
-
-diff --git a/libc/stdlib/malloc-standard/malloc.c b/libc/stdlib/malloc-standard/malloc.c
-index 7025e83..60494a0 100644
---- a/libc/stdlib/malloc-standard/malloc.c
-+++ b/libc/stdlib/malloc-standard/malloc.c
-@@ -8,7 +8,7 @@
- VERSION 2.7.2 Sat Aug 17 09:07:30 2002 Doug Lea (dl at gee)
-
- Note: There may be an updated version of this malloc obtainable at
-- ftp://gee.cs.oswego.edu/pub/misc/malloc.c
-+ ftp://gee.cs.oswego.edu/pub/misc/malloc.c
- Check before installing!
-
- Hacked up for uClibc by Erik Andersen <andersen@codepoet.org>
-@@ -17,17 +17,14 @@
- #define _GNU_SOURCE
- #include "malloc.h"
-
--
--#ifdef __UCLIBC_HAS_THREADS__
--pthread_mutex_t __malloc_lock = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
--#endif
-+__UCLIBC_MUTEX_INIT(__malloc_lock, PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP);
-
- /*
-- There is exactly one instance of this struct in this malloc.
-- If you are adapting this malloc in a way that does NOT use a static
-- malloc_state, you MUST explicitly zero-fill it before using. This
-- malloc relies on the property that malloc_state is initialized to
-- all zeroes (as is true of C statics).
-+ There is exactly one instance of this struct in this malloc.
-+ If you are adapting this malloc in a way that does NOT use a static
-+ malloc_state, you MUST explicitly zero-fill it before using. This
-+ malloc relies on the property that malloc_state is initialized to
-+ all zeroes (as is true of C statics).
- */
- struct malloc_state __malloc_state; /* never directly referenced */
-
-@@ -77,30 +74,30 @@ void __do_check_chunk(mchunkptr p)
-
- if (!chunk_is_mmapped(p)) {
-
-- /* Has legal address ... */
-- if (p != av->top) {
-- if (contiguous(av)) {
-- assert(((char*)p) >= min_address);
-- assert(((char*)p + sz) <= ((char*)(av->top)));
-- }
-- }
-- else {
-- /* top size is always at least MINSIZE */
-- assert((unsigned long)(sz) >= MINSIZE);
-- /* top predecessor always marked inuse */
-- assert(prev_inuse(p));
-- }
-+ /* Has legal address ... */
-+ if (p != av->top) {
-+ if (contiguous(av)) {
-+ assert(((char*)p) >= min_address);
-+ assert(((char*)p + sz) <= ((char*)(av->top)));
-+ }
-+ }
-+ else {
-+ /* top size is always at least MINSIZE */
-+ assert((unsigned long)(sz) >= MINSIZE);
-+ /* top predecessor always marked inuse */
-+ assert(prev_inuse(p));
-+ }
-
- }
- else {
-- /* address is outside main heap */
-- if (contiguous(av) && av->top != initial_top(av)) {
-- assert(((char*)p) < min_address || ((char*)p) > max_address);
-- }
-- /* chunk is page-aligned */
-- assert(((p->prev_size + sz) & (av->pagesize-1)) == 0);
-- /* mem is aligned */
-- assert(aligned_OK(chunk2mem(p)));
-+ /* address is outside main heap */
-+ if (contiguous(av) && av->top != initial_top(av)) {
-+ assert(((char*)p) < min_address || ((char*)p) > max_address);
-+ }
-+ /* chunk is page-aligned */
-+ assert(((p->prev_size + sz) & (av->pagesize-1)) == 0);
-+ /* mem is aligned */
-+ assert(aligned_OK(chunk2mem(p)));
- }
- }
-
-@@ -121,21 +118,21 @@ void __do_check_free_chunk(mchunkptr p)
-
- /* Unless a special marker, must have OK fields */
- if ((unsigned long)(sz) >= MINSIZE)
-- {
-- assert((sz & MALLOC_ALIGN_MASK) == 0);
-- assert(aligned_OK(chunk2mem(p)));
-- /* ... matching footer field */
-- assert(next->prev_size == sz);
-- /* ... and is fully consolidated */
-- assert(prev_inuse(p));
-- assert (next == av->top || inuse(next));
--
-- /* ... and has minimally sane links */
-- assert(p->fd->bk == p);
-- assert(p->bk->fd == p);
-- }
-+ {
-+ assert((sz & MALLOC_ALIGN_MASK) == 0);
-+ assert(aligned_OK(chunk2mem(p)));
-+ /* ... matching footer field */
-+ assert(next->prev_size == sz);
-+ /* ... and is fully consolidated */
-+ assert(prev_inuse(p));
-+ assert (next == av->top || inuse(next));
-+
-+ /* ... and has minimally sane links */
-+ assert(p->fd->bk == p);
-+ assert(p->bk->fd == p);
-+ }
- else /* markers are always of size (sizeof(size_t)) */
-- assert(sz == (sizeof(size_t)));
-+ assert(sz == (sizeof(size_t)));
- }
-
- /* Properties of inuse chunks */
-@@ -146,7 +143,7 @@ void __do_check_inuse_chunk(mchunkptr p)
- __do_check_chunk(p);
-
- if (chunk_is_mmapped(p))
-- return; /* mmapped chunks have no next/prev */
-+ return; /* mmapped chunks have no next/prev */
-
- /* Check whether it claims to be in use ... */
- assert(inuse(p));
-@@ -156,20 +153,20 @@ void __do_check_inuse_chunk(mchunkptr p)
- /* ... and is surrounded by OK chunks.
- Since more things can be checked with free chunks than inuse ones,
- if an inuse chunk borders them and debug is on, it's worth doing them.
-- */
-+ */
- if (!prev_inuse(p)) {
-- /* Note that we cannot even look at prev unless it is not inuse */
-- mchunkptr prv = prev_chunk(p);
-- assert(next_chunk(prv) == p);
-- __do_check_free_chunk(prv);
-+ /* Note that we cannot even look at prev unless it is not inuse */
-+ mchunkptr prv = prev_chunk(p);
-+ assert(next_chunk(prv) == p);
-+ __do_check_free_chunk(prv);
- }
-
- if (next == av->top) {
-- assert(prev_inuse(next));
-- assert(chunksize(next) >= MINSIZE);
-+ assert(prev_inuse(next));
-+ assert(chunksize(next) >= MINSIZE);
- }
- else if (!inuse(next))
-- __do_check_free_chunk(next);
-+ __do_check_free_chunk(next);
- }
-
- /* Properties of chunks recycled from fastbins */
-@@ -198,14 +195,14 @@ void __do_check_malloced_chunk(mchunkptr
- __do_check_remalloced_chunk(p, s);
-
- /*
-- ... plus, must obey implementation invariant that prev_inuse is
-- always true of any allocated chunk; i.e., that each allocated
-- chunk borders either a previously allocated and still in-use
-- chunk, or the base of its memory arena. This is ensured
-- by making all allocations from the the `lowest' part of any found
-- chunk. This does not necessarily hold however for chunks
-- recycled via fastbins.
-- */
-+ ... plus, must obey implementation invariant that prev_inuse is
-+ always true of any allocated chunk; i.e., that each allocated
-+ chunk borders either a previously allocated and still in-use
-+ chunk, or the base of its memory arena. This is ensured
-+ by making all allocations from the the `lowest' part of any found
-+ chunk. This does not necessarily hold however for chunks
-+ recycled via fastbins.
-+ */
-
- assert(prev_inuse(p));
- }
-@@ -243,7 +240,7 @@ void __do_check_malloc_state(void)
-
- /* cannot run remaining checks until fully initialized */
- if (av->top == 0 || av->top == initial_top(av))
-- return;
-+ return;
-
- /* pagesize is a power of 2 */
- assert((av->pagesize & (av->pagesize-1)) == 0);
-@@ -256,64 +253,64 @@ void __do_check_malloc_state(void)
- max_fast_bin = fastbin_index(av->max_fast);
-
- for (i = 0; i < NFASTBINS; ++i) {
-- p = av->fastbins[i];
-+ p = av->fastbins[i];
-
-- /* all bins past max_fast are empty */
-- if (i > max_fast_bin)
-- assert(p == 0);
--
-- while (p != 0) {
-- /* each chunk claims to be inuse */
-- __do_check_inuse_chunk(p);
-- total += chunksize(p);
-- /* chunk belongs in this bin */
-- assert(fastbin_index(chunksize(p)) == i);
-- p = p->fd;
-- }
-+ /* all bins past max_fast are empty */
-+ if (i > max_fast_bin)
-+ assert(p == 0);
-+
-+ while (p != 0) {
-+ /* each chunk claims to be inuse */
-+ __do_check_inuse_chunk(p);
-+ total += chunksize(p);
-+ /* chunk belongs in this bin */
-+ assert(fastbin_index(chunksize(p)) == i);
-+ p = p->fd;
-+ }
- }
-
- if (total != 0)
-- assert(have_fastchunks(av));
-+ assert(have_fastchunks(av));
- else if (!have_fastchunks(av))
-- assert(total == 0);
-+ assert(total == 0);
-
- /* check normal bins */
- for (i = 1; i < NBINS; ++i) {
-- b = bin_at(av,i);
-+ b = bin_at(av,i);
-
-- /* binmap is accurate (except for bin 1 == unsorted_chunks) */
-- if (i >= 2) {
-- binbit = get_binmap(av,i);
-- empty = last(b) == b;
-- if (!binbit)
-- assert(empty);
-- else if (!empty)
-- assert(binbit);
-- }
--
-- for (p = last(b); p != b; p = p->bk) {
-- /* each chunk claims to be free */
-- __do_check_free_chunk(p);
-- size = chunksize(p);
-- total += size;
-- if (i >= 2) {
-- /* chunk belongs in bin */
-- idx = bin_index(size);
-- assert(idx == i);
-- /* lists are sorted */
-- if ((unsigned long) size >= (unsigned long)(FIRST_SORTED_BIN_SIZE)) {
-- assert(p->bk == b ||
-- (unsigned long)chunksize(p->bk) >=
-- (unsigned long)chunksize(p));
-- }
-- }
-- /* chunk is followed by a legal chain of inuse chunks */
-- for (q = next_chunk(p);
-- (q != av->top && inuse(q) &&
-- (unsigned long)(chunksize(q)) >= MINSIZE);
-- q = next_chunk(q))
-- __do_check_inuse_chunk(q);
-- }
-+ /* binmap is accurate (except for bin 1 == unsorted_chunks) */
-+ if (i >= 2) {
-+ binbit = get_binmap(av,i);
-+ empty = last(b) == b;
-+ if (!binbit)
-+ assert(empty);
-+ else if (!empty)
-+ assert(binbit);
-+ }
-+
-+ for (p = last(b); p != b; p = p->bk) {
-+ /* each chunk claims to be free */
-+ __do_check_free_chunk(p);
-+ size = chunksize(p);
-+ total += size;
-+ if (i >= 2) {
-+ /* chunk belongs in bin */
-+ idx = bin_index(size);
-+ assert(idx == i);
-+ /* lists are sorted */
-+ if ((unsigned long) size >= (unsigned long)(FIRST_SORTED_BIN_SIZE)) {
-+ assert(p->bk == b ||
-+ (unsigned long)chunksize(p->bk) >=
-+ (unsigned long)chunksize(p));
-+ }
-+ }
-+ /* chunk is followed by a legal chain of inuse chunks */
-+ for (q = next_chunk(p);
-+ (q != av->top && inuse(q) &&
-+ (unsigned long)(chunksize(q)) >= MINSIZE);
-+ q = next_chunk(q))
-+ __do_check_inuse_chunk(q);
-+ }
- }
-
- /* top chunk is OK */
-@@ -326,13 +323,13 @@ void __do_check_malloc_state(void)
- assert(av->n_mmaps <= av->max_n_mmaps);
-
- assert((unsigned long)(av->sbrked_mem) <=
-- (unsigned long)(av->max_sbrked_mem));
-+ (unsigned long)(av->max_sbrked_mem));
-
- assert((unsigned long)(av->mmapped_mem) <=
-- (unsigned long)(av->max_mmapped_mem));
-+ (unsigned long)(av->max_mmapped_mem));
-
- assert((unsigned long)(av->max_total_mem) >=
-- (unsigned long)(av->mmapped_mem) + (unsigned long)(av->sbrked_mem));
-+ (unsigned long)(av->mmapped_mem) + (unsigned long)(av->sbrked_mem));
- }
- #endif
-
-@@ -370,84 +367,84 @@ static void* __malloc_alloc(size_t nb, m
- size_t pagemask = av->pagesize - 1;
-
- /*
-- If there is space available in fastbins, consolidate and retry
-- malloc from scratch rather than getting memory from system. This
-- can occur only if nb is in smallbin range so we didn't consolidate
-- upon entry to malloc. It is much easier to handle this case here
-- than in malloc proper.
-- */
-+ If there is space available in fastbins, consolidate and retry
-+ malloc from scratch rather than getting memory from system. This
-+ can occur only if nb is in smallbin range so we didn't consolidate
-+ upon entry to malloc. It is much easier to handle this case here
-+ than in malloc proper.
-+ */
-
- if (have_fastchunks(av)) {
-- assert(in_smallbin_range(nb));
-- __malloc_consolidate(av);
-- return malloc(nb - MALLOC_ALIGN_MASK);
-+ assert(in_smallbin_range(nb));
-+ __malloc_consolidate(av);
-+ return malloc(nb - MALLOC_ALIGN_MASK);
- }
-
-
- /*
-- If have mmap, and the request size meets the mmap threshold, and
-- the system supports mmap, and there are few enough currently
-- allocated mmapped regions, try to directly map this request
-- rather than expanding top.
-- */
-+ If have mmap, and the request size meets the mmap threshold, and
-+ the system supports mmap, and there are few enough currently
-+ allocated mmapped regions, try to directly map this request
-+ rather than expanding top.
-+ */
-
- if ((unsigned long)(nb) >= (unsigned long)(av->mmap_threshold) &&
- (av->n_mmaps < av->n_mmaps_max)) {
-
-- char* mm; /* return value from mmap call*/
--
-- /*
-- Round up size to nearest page. For mmapped chunks, the overhead
-- is one (sizeof(size_t)) unit larger than for normal chunks, because there
-- is no following chunk whose prev_size field could be used.
-- */
-- size = (nb + (sizeof(size_t)) + MALLOC_ALIGN_MASK + pagemask) & ~pagemask;
--
-- /* Don't try if size wraps around 0 */
-- if ((unsigned long)(size) > (unsigned long)(nb)) {
--
-- mm = (char*)(MMAP(0, size, PROT_READ|PROT_WRITE));
--
-- if (mm != (char*)(MORECORE_FAILURE)) {
-+ char* mm; /* return value from mmap call*/
-
- /*
-- The offset to the start of the mmapped region is stored
-- in the prev_size field of the chunk. This allows us to adjust
-- returned start address to meet alignment requirements here
-- and in memalign(), and still be able to compute proper
-- address argument for later munmap in free() and realloc().
-- */
--
-- front_misalign = (size_t)chunk2mem(mm) & MALLOC_ALIGN_MASK;
-- if (front_misalign > 0) {
-- correction = MALLOC_ALIGNMENT - front_misalign;
-- p = (mchunkptr)(mm + correction);
-- p->prev_size = correction;
-- set_head(p, (size - correction) |IS_MMAPPED);
-- }
-- else {
-- p = (mchunkptr)mm;
-- p->prev_size = 0;
-- set_head(p, size|IS_MMAPPED);
-- }
-+ Round up size to nearest page. For mmapped chunks, the overhead
-+ is one (sizeof(size_t)) unit larger than for normal chunks, because there
-+ is no following chunk whose prev_size field could be used.
-+ */
-+ size = (nb + (sizeof(size_t)) + MALLOC_ALIGN_MASK + pagemask) & ~pagemask;
-+
-+ /* Don't try if size wraps around 0 */
-+ if ((unsigned long)(size) > (unsigned long)(nb)) {
-+
-+ mm = (char*)(MMAP(0, size, PROT_READ|PROT_WRITE));
-+
-+ if (mm != (char*)(MORECORE_FAILURE)) {
-+
-+ /*
-+ The offset to the start of the mmapped region is stored
-+ in the prev_size field of the chunk. This allows us to adjust
-+ returned start address to meet alignment requirements here
-+ and in memalign(), and still be able to compute proper
-+ address argument for later munmap in free() and realloc().
-+ */
-+
-+ front_misalign = (size_t)chunk2mem(mm) & MALLOC_ALIGN_MASK;
-+ if (front_misalign > 0) {
-+ correction = MALLOC_ALIGNMENT - front_misalign;
-+ p = (mchunkptr)(mm + correction);
-+ p->prev_size = correction;
-+ set_head(p, (size - correction) |IS_MMAPPED);
-+ }
-+ else {
-+ p = (mchunkptr)mm;
-+ p->prev_size = 0;
-+ set_head(p, size|IS_MMAPPED);
-+ }
-+
-+ /* update statistics */
-+
-+ if (++av->n_mmaps > av->max_n_mmaps)
-+ av->max_n_mmaps = av->n_mmaps;
-+
-+ sum = av->mmapped_mem += size;
-+ if (sum > (unsigned long)(av->max_mmapped_mem))
-+ av->max_mmapped_mem = sum;
-+ sum += av->sbrked_mem;
-+ if (sum > (unsigned long)(av->max_total_mem))
-+ av->max_total_mem = sum;
-
-- /* update statistics */
-+ check_chunk(p);
-
-- if (++av->n_mmaps > av->max_n_mmaps)
-- av->max_n_mmaps = av->n_mmaps;
--
-- sum = av->mmapped_mem += size;
-- if (sum > (unsigned long)(av->max_mmapped_mem))
-- av->max_mmapped_mem = sum;
-- sum += av->sbrked_mem;
-- if (sum > (unsigned long)(av->max_total_mem))
-- av->max_total_mem = sum;
--
-- check_chunk(p);
--
-- return chunk2mem(p);
-- }
-- }
-+ return chunk2mem(p);
-+ }
-+ }
- }
-
- /* Record incoming configuration of top */
-@@ -462,8 +459,8 @@ static void* __malloc_alloc(size_t nb, m
- * be at least MINSIZE and to have prev_inuse set. */
-
- assert((old_top == initial_top(av) && old_size == 0) ||
-- ((unsigned long) (old_size) >= MINSIZE &&
-- prev_inuse(old_top)));
-+ ((unsigned long) (old_size) >= MINSIZE &&
-+ prev_inuse(old_top)));
-
- /* Precondition: not enough current space to satisfy nb request */
- assert((unsigned long)(old_size) < (unsigned long)(nb + MINSIZE));
-@@ -477,272 +474,272 @@ static void* __malloc_alloc(size_t nb, m
- size = nb + av->top_pad + MINSIZE;
-
- /*
-- If contiguous, we can subtract out existing space that we hope to
-- combine with new space. We add it back later only if
-- we don't actually get contiguous space.
-- */
-+ If contiguous, we can subtract out existing space that we hope to
-+ combine with new space. We add it back later only if
-+ we don't actually get contiguous space.
-+ */
-
- if (contiguous(av))
-- size -= old_size;
-+ size -= old_size;
-
- /*
-- Round to a multiple of page size.
-- If MORECORE is not contiguous, this ensures that we only call it
-- with whole-page arguments. And if MORECORE is contiguous and
-- this is not first time through, this preserves page-alignment of
-- previous calls. Otherwise, we correct to page-align below.
-- */
-+ Round to a multiple of page size.
-+ If MORECORE is not contiguous, this ensures that we only call it
-+ with whole-page arguments. And if MORECORE is contiguous and
-+ this is not first time through, this preserves page-alignment of
-+ previous calls. Otherwise, we correct to page-align below.
-+ */
-
- size = (size + pagemask) & ~pagemask;
-
- /*
-- Don't try to call MORECORE if argument is so big as to appear
-- negative. Note that since mmap takes size_t arg, it may succeed
-- below even if we cannot call MORECORE.
-- */
-+ Don't try to call MORECORE if argument is so big as to appear
-+ negative. Note that since mmap takes size_t arg, it may succeed
-+ below even if we cannot call MORECORE.
-+ */
-
- if (size > 0)
-- brk = (char*)(MORECORE(size));
-+ brk = (char*)(MORECORE(size));
-
- /*
-- If have mmap, try using it as a backup when MORECORE fails or
-- cannot be used. This is worth doing on systems that have "holes" in
-- address space, so sbrk cannot extend to give contiguous space, but
-- space is available elsewhere. Note that we ignore mmap max count
-- and threshold limits, since the space will not be used as a
-- segregated mmap region.
-- */
-+ If have mmap, try using it as a backup when MORECORE fails or
-+ cannot be used. This is worth doing on systems that have "holes" in
-+ address space, so sbrk cannot extend to give contiguous space, but
-+ space is available elsewhere. Note that we ignore mmap max count
-+ and threshold limits, since the space will not be used as a
-+ segregated mmap region.
-+ */
-
- if (brk == (char*)(MORECORE_FAILURE)) {
-
-- /* Cannot merge with old top, so add its size back in */
-- if (contiguous(av))
-- size = (size + old_size + pagemask) & ~pagemask;
--
-- /* If we are relying on mmap as backup, then use larger units */
-- if ((unsigned long)(size) < (unsigned long)(MMAP_AS_MORECORE_SIZE))
-- size = MMAP_AS_MORECORE_SIZE;
--
-- /* Don't try if size wraps around 0 */
-- if ((unsigned long)(size) > (unsigned long)(nb)) {
--
-- brk = (char*)(MMAP(0, size, PROT_READ|PROT_WRITE));
--
-- if (brk != (char*)(MORECORE_FAILURE)) {
--
-- /* We do not need, and cannot use, another sbrk call to find end */
-- snd_brk = brk + size;
--
-- /* Record that we no longer have a contiguous sbrk region.
-- After the first time mmap is used as backup, we do not
-- ever rely on contiguous space since this could incorrectly
-- bridge regions.
-- */
-- set_noncontiguous(av);
-- }
-- }
-+ /* Cannot merge with old top, so add its size back in */
-+ if (contiguous(av))
-+ size = (size + old_size + pagemask) & ~pagemask;
-+
-+ /* If we are relying on mmap as backup, then use larger units */
-+ if ((unsigned long)(size) < (unsigned long)(MMAP_AS_MORECORE_SIZE))
-+ size = MMAP_AS_MORECORE_SIZE;
-+
-+ /* Don't try if size wraps around 0 */
-+ if ((unsigned long)(size) > (unsigned long)(nb)) {
-+
-+ brk = (char*)(MMAP(0, size, PROT_READ|PROT_WRITE));
-+
-+ if (brk != (char*)(MORECORE_FAILURE)) {
-+
-+ /* We do not need, and cannot use, another sbrk call to find end */
-+ snd_brk = brk + size;
-+
-+ /* Record that we no longer have a contiguous sbrk region.
-+ After the first time mmap is used as backup, we do not
-+ ever rely on contiguous space since this could incorrectly
-+ bridge regions.
-+ */
-+ set_noncontiguous(av);
-+ }
-+ }
- }
-
- if (brk != (char*)(MORECORE_FAILURE)) {
-- av->sbrked_mem += size;
-+ av->sbrked_mem += size;
-
-- /*
-- If MORECORE extends previous space, we can likewise extend top size.
-- */
--
-- if (brk == old_end && snd_brk == (char*)(MORECORE_FAILURE)) {
-- set_head(old_top, (size + old_size) | PREV_INUSE);
-- }
--
-- /*
-- Otherwise, make adjustments:
--
-- * If the first time through or noncontiguous, we need to call sbrk
-- just to find out where the end of memory lies.
--
-- * We need to ensure that all returned chunks from malloc will meet
-- MALLOC_ALIGNMENT
--
-- * If there was an intervening foreign sbrk, we need to adjust sbrk
-- request size to account for fact that we will not be able to
-- combine new space with existing space in old_top.
--
-- * Almost all systems internally allocate whole pages at a time, in
-- which case we might as well use the whole last page of request.
-- So we allocate enough more memory to hit a page boundary now,
-- which in turn causes future contiguous calls to page-align.
-- */
--
-- else {
-- front_misalign = 0;
-- end_misalign = 0;
-- correction = 0;
-- aligned_brk = brk;
--
-- /*
-- If MORECORE returns an address lower than we have seen before,
-- we know it isn't really contiguous. This and some subsequent
-- checks help cope with non-conforming MORECORE functions and
-- the presence of "foreign" calls to MORECORE from outside of
-- malloc or by other threads. We cannot guarantee to detect
-- these in all cases, but cope with the ones we do detect.
-- */
-- if (contiguous(av) && old_size != 0 && brk < old_end) {
-- set_noncontiguous(av);
-- }
--
-- /* handle contiguous cases */
-- if (contiguous(av)) {
--
-- /* We can tolerate forward non-contiguities here (usually due
-- to foreign calls) but treat them as part of our space for
-- stats reporting. */
-- if (old_size != 0)
-- av->sbrked_mem += brk - old_end;
--
-- /* Guarantee alignment of first new chunk made from this space */
--
-- front_misalign = (size_t)chunk2mem(brk) & MALLOC_ALIGN_MASK;
-- if (front_misalign > 0) {
--
-- /*
-- Skip over some bytes to arrive at an aligned position.
-- We don't need to specially mark these wasted front bytes.
-- They will never be accessed anyway because
-- prev_inuse of av->top (and any chunk created from its start)
-- is always true after initialization.
-- */
-+ /*
-+ If MORECORE extends previous space, we can likewise extend top size.
-+ */
-
-- correction = MALLOC_ALIGNMENT - front_misalign;
-- aligned_brk += correction;
-+ if (brk == old_end && snd_brk == (char*)(MORECORE_FAILURE)) {
-+ set_head(old_top, (size + old_size) | PREV_INUSE);
- }
-
- /*
-- If this isn't adjacent to existing space, then we will not
-- be able to merge with old_top space, so must add to 2nd request.
-- */
--
-- correction += old_size;
--
-- /* Extend the end address to hit a page boundary */
-- end_misalign = (size_t)(brk + size + correction);
-- correction += ((end_misalign + pagemask) & ~pagemask) - end_misalign;
--
-- assert(correction >= 0);
-- snd_brk = (char*)(MORECORE(correction));
--
-- if (snd_brk == (char*)(MORECORE_FAILURE)) {
-- /*
-- If can't allocate correction, try to at least find out current
-- brk. It might be enough to proceed without failing.
-- */
-- correction = 0;
-- snd_brk = (char*)(MORECORE(0));
-- }
-- else if (snd_brk < brk) {
-- /*
-- If the second call gives noncontiguous space even though
-- it says it won't, the only course of action is to ignore
-- results of second call, and conservatively estimate where
-- the first call left us. Also set noncontiguous, so this
-- won't happen again, leaving at most one hole.
--
-- Note that this check is intrinsically incomplete. Because
-- MORECORE is allowed to give more space than we ask for,
-- there is no reliable way to detect a noncontiguity
-- producing a forward gap for the second call.
-- */
-- snd_brk = brk + size;
-- correction = 0;
-- set_noncontiguous(av);
-- }
--
-- }
--
-- /* handle non-contiguous cases */
-- else {
-- /* MORECORE/mmap must correctly align */
-- assert(aligned_OK(chunk2mem(brk)));
--
-- /* Find out current end of memory */
-- if (snd_brk == (char*)(MORECORE_FAILURE)) {
-- snd_brk = (char*)(MORECORE(0));
-- av->sbrked_mem += snd_brk - brk - size;
-- }
-- }
--
-- /* Adjust top based on results of second sbrk */
-- if (snd_brk != (char*)(MORECORE_FAILURE)) {
-- av->top = (mchunkptr)aligned_brk;
-- set_head(av->top, (snd_brk - aligned_brk + correction) | PREV_INUSE);
-- av->sbrked_mem += correction;
-+ Otherwise, make adjustments:
-
-- /*
-- If not the first time through, we either have a
-- gap due to foreign sbrk or a non-contiguous region. Insert a
-- double fencepost at old_top to prevent consolidation with space
-- we don't own. These fenceposts are artificial chunks that are
-- marked as inuse and are in any case too small to use. We need
-- two to make sizes and alignments work out.
-- */
--
-- if (old_size != 0) {
-- /* Shrink old_top to insert fenceposts, keeping size a
-- multiple of MALLOC_ALIGNMENT. We know there is at least
-- enough space in old_top to do this.
-- */
-- old_size = (old_size - 3*(sizeof(size_t))) & ~MALLOC_ALIGN_MASK;
-- set_head(old_top, old_size | PREV_INUSE);
--
-- /*
-- Note that the following assignments completely overwrite
-- old_top when old_size was previously MINSIZE. This is
-- intentional. We need the fencepost, even if old_top otherwise gets
-- lost.
-- */
-- chunk_at_offset(old_top, old_size )->size =
-- (sizeof(size_t))|PREV_INUSE;
--
-- chunk_at_offset(old_top, old_size + (sizeof(size_t)))->size =
-- (sizeof(size_t))|PREV_INUSE;
--
-- /* If possible, release the rest, suppressing trimming. */
-- if (old_size >= MINSIZE) {
-- size_t tt = av->trim_threshold;
-- av->trim_threshold = (size_t)(-1);
-- free(chunk2mem(old_top));
-- av->trim_threshold = tt;
-- }
-- }
-- }
-- }
--
-- /* Update statistics */
-- sum = av->sbrked_mem;
-- if (sum > (unsigned long)(av->max_sbrked_mem))
-- av->max_sbrked_mem = sum;
--
-- sum += av->mmapped_mem;
-- if (sum > (unsigned long)(av->max_total_mem))
-- av->max_total_mem = sum;
--
-- check_malloc_state();
--
-- /* finally, do the allocation */
--
-- p = av->top;
-- size = chunksize(p);
--
-- /* check that one of the above allocation paths succeeded */
-- if ((unsigned long)(size) >= (unsigned long)(nb + MINSIZE)) {
-- remainder_size = size - nb;
-- remainder = chunk_at_offset(p, nb);
-- av->top = remainder;
-- set_head(p, nb | PREV_INUSE);
-- set_head(remainder, remainder_size | PREV_INUSE);
-- check_malloced_chunk(p, nb);
-- return chunk2mem(p);
-- }
-+ * If the first time through or noncontiguous, we need to call sbrk
-+ just to find out where the end of memory lies.
-+
-+ * We need to ensure that all returned chunks from malloc will meet
-+ MALLOC_ALIGNMENT
-+
-+ * If there was an intervening foreign sbrk, we need to adjust sbrk
-+ request size to account for fact that we will not be able to
-+ combine new space with existing space in old_top.
-+
-+ * Almost all systems internally allocate whole pages at a time, in
-+ which case we might as well use the whole last page of request.
-+ So we allocate enough more memory to hit a page boundary now,
-+ which in turn causes future contiguous calls to page-align.
-+ */
-+
-+ else {
-+ front_misalign = 0;
-+ end_misalign = 0;
-+ correction = 0;
-+ aligned_brk = brk;
-+
-+ /*
-+ If MORECORE returns an address lower than we have seen before,
-+ we know it isn't really contiguous. This and some subsequent
-+ checks help cope with non-conforming MORECORE functions and
-+ the presence of "foreign" calls to MORECORE from outside of
-+ malloc or by other threads. We cannot guarantee to detect
-+ these in all cases, but cope with the ones we do detect.
-+ */
-+ if (contiguous(av) && old_size != 0 && brk < old_end) {
-+ set_noncontiguous(av);
-+ }
-+
-+ /* handle contiguous cases */
-+ if (contiguous(av)) {
-+
-+ /* We can tolerate forward non-contiguities here (usually due
-+ to foreign calls) but treat them as part of our space for
-+ stats reporting. */
-+ if (old_size != 0)
-+ av->sbrked_mem += brk - old_end;
-+
-+ /* Guarantee alignment of first new chunk made from this space */
-+
-+ front_misalign = (size_t)chunk2mem(brk) & MALLOC_ALIGN_MASK;
-+ if (front_misalign > 0) {
-+
-+ /*
-+ Skip over some bytes to arrive at an aligned position.
-+ We don't need to specially mark these wasted front bytes.
-+ They will never be accessed anyway because
-+ prev_inuse of av->top (and any chunk created from its start)
-+ is always true after initialization.
-+ */
-+
-+ correction = MALLOC_ALIGNMENT - front_misalign;
-+ aligned_brk += correction;
-+ }
-+
-+ /*
-+ If this isn't adjacent to existing space, then we will not
-+ be able to merge with old_top space, so must add to 2nd request.
-+ */
-+
-+ correction += old_size;
-+
-+ /* Extend the end address to hit a page boundary */
-+ end_misalign = (size_t)(brk + size + correction);
-+ correction += ((end_misalign + pagemask) & ~pagemask) - end_misalign;
-+
-+ assert(correction >= 0);
-+ snd_brk = (char*)(MORECORE(correction));
-+
-+ if (snd_brk == (char*)(MORECORE_FAILURE)) {
-+ /*
-+ If can't allocate correction, try to at least find out current
-+ brk. It might be enough to proceed without failing.
-+ */
-+ correction = 0;
-+ snd_brk = (char*)(MORECORE(0));
-+ }
-+ else if (snd_brk < brk) {
-+ /*
-+ If the second call gives noncontiguous space even though
-+ it says it won't, the only course of action is to ignore
-+ results of second call, and conservatively estimate where
-+ the first call left us. Also set noncontiguous, so this
-+ won't happen again, leaving at most one hole.
-+
-+ Note that this check is intrinsically incomplete. Because
-+ MORECORE is allowed to give more space than we ask for,
-+ there is no reliable way to detect a noncontiguity
-+ producing a forward gap for the second call.
-+ */
-+ snd_brk = brk + size;
-+ correction = 0;
-+ set_noncontiguous(av);
-+ }
-+
-+ }
-+
-+ /* handle non-contiguous cases */
-+ else {
-+ /* MORECORE/mmap must correctly align */
-+ assert(aligned_OK(chunk2mem(brk)));
-+
-+ /* Find out current end of memory */
-+ if (snd_brk == (char*)(MORECORE_FAILURE)) {
-+ snd_brk = (char*)(MORECORE(0));
-+ av->sbrked_mem += snd_brk - brk - size;
-+ }
-+ }
-+
-+ /* Adjust top based on results of second sbrk */
-+ if (snd_brk != (char*)(MORECORE_FAILURE)) {
-+ av->top = (mchunkptr)aligned_brk;
-+ set_head(av->top, (snd_brk - aligned_brk + correction) | PREV_INUSE);
-+ av->sbrked_mem += correction;
-+
-+ /*
-+ If not the first time through, we either have a
-+ gap due to foreign sbrk or a non-contiguous region. Insert a
-+ double fencepost at old_top to prevent consolidation with space
-+ we don't own. These fenceposts are artificial chunks that are
-+ marked as inuse and are in any case too small to use. We need
-+ two to make sizes and alignments work out.
-+ */
-+
-+ if (old_size != 0) {
-+ /* Shrink old_top to insert fenceposts, keeping size a
-+ multiple of MALLOC_ALIGNMENT. We know there is at least
-+ enough space in old_top to do this.
-+ */
-+ old_size = (old_size - 3*(sizeof(size_t))) & ~MALLOC_ALIGN_MASK;
-+ set_head(old_top, old_size | PREV_INUSE);
-+
-+ /*
-+ Note that the following assignments completely overwrite
-+ old_top when old_size was previously MINSIZE. This is
-+ intentional. We need the fencepost, even if old_top otherwise gets
-+ lost.
-+ */
-+ chunk_at_offset(old_top, old_size )->size =
-+ (sizeof(size_t))|PREV_INUSE;
-+
-+ chunk_at_offset(old_top, old_size + (sizeof(size_t)))->size =
-+ (sizeof(size_t))|PREV_INUSE;
-+
-+ /* If possible, release the rest, suppressing trimming. */
-+ if (old_size >= MINSIZE) {
-+ size_t tt = av->trim_threshold;
-+ av->trim_threshold = (size_t)(-1);
-+ free(chunk2mem(old_top));
-+ av->trim_threshold = tt;
-+ }
-+ }
-+ }
-+ }
-+
-+ /* Update statistics */
-+ sum = av->sbrked_mem;
-+ if (sum > (unsigned long)(av->max_sbrked_mem))
-+ av->max_sbrked_mem = sum;
-+
-+ sum += av->mmapped_mem;
-+ if (sum > (unsigned long)(av->max_total_mem))
-+ av->max_total_mem = sum;
-+
-+ check_malloc_state();
-+
-+ /* finally, do the allocation */
-+
-+ p = av->top;
-+ size = chunksize(p);
-+
-+ /* check that one of the above allocation paths succeeded */
-+ if ((unsigned long)(size) >= (unsigned long)(nb + MINSIZE)) {
-+ remainder_size = size - nb;
-+ remainder = chunk_at_offset(p, nb);
-+ av->top = remainder;
-+ set_head(p, nb | PREV_INUSE);
-+ set_head(remainder, remainder_size | PREV_INUSE);
-+ check_malloced_chunk(p, nb);
-+ return chunk2mem(p);
-+ }
-
- }
-
-@@ -767,25 +764,25 @@ static int __malloc_largebin_index(unsig
- #if defined(__GNUC__) && defined(i386)
-
- __asm__("bsrl %1,%0\n\t"
-- : "=r" (m)
-- : "g" (x));
-+ : "=r" (m)
-+ : "g" (x));
-
- #else
- {
-- /*
-- Based on branch-free nlz algorithm in chapter 5 of Henry
-- S. Warren Jr's book "Hacker's Delight".
-- */
--
-- unsigned int n = ((x - 0x100) >> 16) & 8;
-- x <<= n;
-- m = ((x - 0x1000) >> 16) & 4;
-- n += m;
-- x <<= m;
-- m = ((x - 0x4000) >> 16) & 2;
-- n += m;
-- x = (x << m) >> 14;
-- m = 13 - n + (x & ~(x>>1));
-+ /*
-+ Based on branch-free nlz algorithm in chapter 5 of Henry
-+ S. Warren Jr's book "Hacker's Delight".
-+ */
-+
-+ unsigned int n = ((x - 0x100) >> 16) & 8;
-+ x <<= n;
-+ m = ((x - 0x1000) >> 16) & 4;
-+ n += m;
-+ x <<= m;
-+ m = ((x - 0x4000) >> 16) & 2;
-+ n += m;
-+ x = (x << m) >> 14;
-+ m = 13 - n + (x & ~(x>>1));
- }
- #endif
-
-@@ -826,69 +823,70 @@ void* malloc(size_t bytes)
- mchunkptr fwd; /* misc temp for linking */
- mchunkptr bck; /* misc temp for linking */
- void * sysmem;
-+ void * retval;
-
- #if !defined(__MALLOC_GLIBC_COMPAT__)
- if (!bytes) return NULL;
- #endif
-
-- LOCK;
-+ __MALLOC_LOCK;
- av = get_malloc_state();
- /*
-- Convert request size to internal form by adding (sizeof(size_t)) bytes
-- overhead plus possibly more to obtain necessary alignment and/or
-- to obtain a size of at least MINSIZE, the smallest allocatable
-- size. Also, checked_request2size traps (returning 0) request sizes
-- that are so large that they wrap around zero when padded and
-- aligned.
-- */
-+ Convert request size to internal form by adding (sizeof(size_t)) bytes
-+ overhead plus possibly more to obtain necessary alignment and/or
-+ to obtain a size of at least MINSIZE, the smallest allocatable
-+ size. Also, checked_request2size traps (returning 0) request sizes
-+ that are so large that they wrap around zero when padded and
-+ aligned.
-+ */
-
- checked_request2size(bytes, nb);
-
- /*
-- Bypass search if no frees yet
-- */
-+ Bypass search if no frees yet
-+ */
- if (!have_anychunks(av)) {
-- if (av->max_fast == 0) /* initialization check */
-- __malloc_consolidate(av);
-- goto use_top;
-+ if (av->max_fast == 0) /* initialization check */
-+ __malloc_consolidate(av);
-+ goto use_top;
- }
-
- /*
-- If the size qualifies as a fastbin, first check corresponding bin.
-- */
-+ If the size qualifies as a fastbin, first check corresponding bin.
-+ */
-
- if ((unsigned long)(nb) <= (unsigned long)(av->max_fast)) {
-- fb = &(av->fastbins[(fastbin_index(nb))]);
-- if ( (victim = *fb) != 0) {
-- *fb = victim->fd;
-- check_remalloced_chunk(victim, nb);
-- UNLOCK;
-- return chunk2mem(victim);
-- }
-+ fb = &(av->fastbins[(fastbin_index(nb))]);
-+ if ( (victim = *fb) != 0) {
-+ *fb = victim->fd;
-+ check_remalloced_chunk(victim, nb);
-+ retval = chunk2mem(victim);
-+ goto DONE;
-+ }
- }
-
- /*
-- If a small request, check regular bin. Since these "smallbins"
-- hold one size each, no searching within bins is necessary.
-- (For a large request, we need to wait until unsorted chunks are
-- processed to find best fit. But for small ones, fits are exact
-- anyway, so we can check now, which is faster.)
-- */
-+ If a small request, check regular bin. Since these "smallbins"
-+ hold one size each, no searching within bins is necessary.
-+ (For a large request, we need to wait until unsorted chunks are
-+ processed to find best fit. But for small ones, fits are exact
-+ anyway, so we can check now, which is faster.)
-+ */
-
- if (in_smallbin_range(nb)) {
-- idx = smallbin_index(nb);
-- bin = bin_at(av,idx);
-+ idx = smallbin_index(nb);
-+ bin = bin_at(av,idx);
-
-- if ( (victim = last(bin)) != bin) {
-- bck = victim->bk;
-- set_inuse_bit_at_offset(victim, nb);
-- bin->bk = bck;
-- bck->fd = bin;
--
-- check_malloced_chunk(victim, nb);
-- UNLOCK;
-- return chunk2mem(victim);
-- }
-+ if ( (victim = last(bin)) != bin) {
-+ bck = victim->bk;
-+ set_inuse_bit_at_offset(victim, nb);
-+ bin->bk = bck;
-+ bck->fd = bin;
-+
-+ check_malloced_chunk(victim, nb);
-+ retval = chunk2mem(victim);
-+ goto DONE;
-+ }
- }
-
- /* If this is a large request, consolidate fastbins before continuing.
-@@ -899,154 +897,154 @@ void* malloc(size_t bytes)
- large requests, but less often mixtures, so consolidation is not
- invoked all that often in most programs. And the programs that
- it is called frequently in otherwise tend to fragment.
-- */
-+ */
-
- else {
-- idx = __malloc_largebin_index(nb);
-- if (have_fastchunks(av))
-- __malloc_consolidate(av);
-+ idx = __malloc_largebin_index(nb);
-+ if (have_fastchunks(av))
-+ __malloc_consolidate(av);
- }
-
- /*
-- Process recently freed or remaindered chunks, taking one only if
-- it is exact fit, or, if this a small request, the chunk is remainder from
-- the most recent non-exact fit. Place other traversed chunks in
-- bins. Note that this step is the only place in any routine where
-- chunks are placed in bins.
-- */
-+ Process recently freed or remaindered chunks, taking one only if
-+ it is exact fit, or, if this a small request, the chunk is remainder from
-+ the most recent non-exact fit. Place other traversed chunks in
-+ bins. Note that this step is the only place in any routine where
-+ chunks are placed in bins.
-+ */
-
- while ( (victim = unsorted_chunks(av)->bk) != unsorted_chunks(av)) {
-- bck = victim->bk;
-- size = chunksize(victim);
-+ bck = victim->bk;
-+ size = chunksize(victim);
-+
-+ /* If a small request, try to use last remainder if it is the
-+ only chunk in unsorted bin. This helps promote locality for
-+ runs of consecutive small requests. This is the only
-+ exception to best-fit, and applies only when there is
-+ no exact fit for a small chunk.
-+ */
-+
-+ if (in_smallbin_range(nb) &&
-+ bck == unsorted_chunks(av) &&
-+ victim == av->last_remainder &&
-+ (unsigned long)(size) > (unsigned long)(nb + MINSIZE)) {
-+
-+ /* split and reattach remainder */
-+ remainder_size = size - nb;
-+ remainder = chunk_at_offset(victim, nb);
-+ unsorted_chunks(av)->bk = unsorted_chunks(av)->fd = remainder;
-+ av->last_remainder = remainder;
-+ remainder->bk = remainder->fd = unsorted_chunks(av);
-+
-+ set_head(victim, nb | PREV_INUSE);
-+ set_head(remainder, remainder_size | PREV_INUSE);
-+ set_foot(remainder, remainder_size);
-+
-+ check_malloced_chunk(victim, nb);
-+ retval = chunk2mem(victim);
-+ goto DONE;
-+ }
-+
-+ /* remove from unsorted list */
-+ unsorted_chunks(av)->bk = bck;
-+ bck->fd = unsorted_chunks(av);
-+
-+ /* Take now instead of binning if exact fit */
-+
-+ if (size == nb) {
-+ set_inuse_bit_at_offset(victim, size);
-+ check_malloced_chunk(victim, nb);
-+ retval = chunk2mem(victim);
-+ goto DONE;
-+ }
-+
-+ /* place chunk in bin */
-
-- /* If a small request, try to use last remainder if it is the
-- only chunk in unsorted bin. This helps promote locality for
-- runs of consecutive small requests. This is the only
-- exception to best-fit, and applies only when there is
-- no exact fit for a small chunk.
-- */
--
-- if (in_smallbin_range(nb) &&
-- bck == unsorted_chunks(av) &&
-- victim == av->last_remainder &&
-- (unsigned long)(size) > (unsigned long)(nb + MINSIZE)) {
--
-- /* split and reattach remainder */
-- remainder_size = size - nb;
-- remainder = chunk_at_offset(victim, nb);
-- unsorted_chunks(av)->bk = unsorted_chunks(av)->fd = remainder;
-- av->last_remainder = remainder;
-- remainder->bk = remainder->fd = unsorted_chunks(av);
--
-- set_head(victim, nb | PREV_INUSE);
-- set_head(remainder, remainder_size | PREV_INUSE);
-- set_foot(remainder, remainder_size);
--
-- check_malloced_chunk(victim, nb);
-- UNLOCK;
-- return chunk2mem(victim);
-- }
--
-- /* remove from unsorted list */
-- unsorted_chunks(av)->bk = bck;
-- bck->fd = unsorted_chunks(av);
--
-- /* Take now instead of binning if exact fit */
--
-- if (size == nb) {
-- set_inuse_bit_at_offset(victim, size);
-- check_malloced_chunk(victim, nb);
-- UNLOCK;
-- return chunk2mem(victim);
-- }
--
-- /* place chunk in bin */
--
-- if (in_smallbin_range(size)) {
-- victim_index = smallbin_index(size);
-- bck = bin_at(av, victim_index);
-- fwd = bck->fd;
-- }
-- else {
-- victim_index = __malloc_largebin_index(size);
-- bck = bin_at(av, victim_index);
-- fwd = bck->fd;
--
-- if (fwd != bck) {
-- /* if smaller than smallest, place first */
-- if ((unsigned long)(size) < (unsigned long)(bck->bk->size)) {
-- fwd = bck;
-- bck = bck->bk;
-- }
-- else if ((unsigned long)(size) >=
-- (unsigned long)(FIRST_SORTED_BIN_SIZE)) {
--
-- /* maintain large bins in sorted order */
-- size |= PREV_INUSE; /* Or with inuse bit to speed comparisons */
-- while ((unsigned long)(size) < (unsigned long)(fwd->size))
-- fwd = fwd->fd;
-- bck = fwd->bk;
-- }
-- }
-- }
--
-- mark_bin(av, victim_index);
-- victim->bk = bck;
-- victim->fd = fwd;
-- fwd->bk = victim;
-- bck->fd = victim;
-+ if (in_smallbin_range(size)) {
-+ victim_index = smallbin_index(size);
-+ bck = bin_at(av, victim_index);
-+ fwd = bck->fd;
-+ }
-+ else {
-+ victim_index = __malloc_largebin_index(size);
-+ bck = bin_at(av, victim_index);
-+ fwd = bck->fd;
-+
-+ if (fwd != bck) {
-+ /* if smaller than smallest, place first */
-+ if ((unsigned long)(size) < (unsigned long)(bck->bk->size)) {
-+ fwd = bck;
-+ bck = bck->bk;
-+ }
-+ else if ((unsigned long)(size) >=
-+ (unsigned long)(FIRST_SORTED_BIN_SIZE)) {
-+
-+ /* maintain large bins in sorted order */
-+ size |= PREV_INUSE; /* Or with inuse bit to speed comparisons */
-+ while ((unsigned long)(size) < (unsigned long)(fwd->size))
-+ fwd = fwd->fd;
-+ bck = fwd->bk;
-+ }
-+ }
-+ }
-+
-+ mark_bin(av, victim_index);
-+ victim->bk = bck;
-+ victim->fd = fwd;
-+ fwd->bk = victim;
-+ bck->fd = victim;
- }
-
- /*
-- If a large request, scan through the chunks of current bin to
-- find one that fits. (This will be the smallest that fits unless
-- FIRST_SORTED_BIN_SIZE has been changed from default.) This is
-- the only step where an unbounded number of chunks might be
-- scanned without doing anything useful with them. However the
-- lists tend to be short.
-- */
-+ If a large request, scan through the chunks of current bin to
-+ find one that fits. (This will be the smallest that fits unless
-+ FIRST_SORTED_BIN_SIZE has been changed from default.) This is
-+ the only step where an unbounded number of chunks might be
-+ scanned without doing anything useful with them. However the
-+ lists tend to be short.
-+ */
-
- if (!in_smallbin_range(nb)) {
-- bin = bin_at(av, idx);
--
-- for (victim = last(bin); victim != bin; victim = victim->bk) {
-- size = chunksize(victim);
-+ bin = bin_at(av, idx);
-
-- if ((unsigned long)(size) >= (unsigned long)(nb)) {
-- remainder_size = size - nb;
-- unlink(victim, bck, fwd);
-+ for (victim = last(bin); victim != bin; victim = victim->bk) {
-+ size = chunksize(victim);
-
-- /* Exhaust */
-- if (remainder_size < MINSIZE) {
-- set_inuse_bit_at_offset(victim, size);
-- check_malloced_chunk(victim, nb);
-- UNLOCK;
-- return chunk2mem(victim);
-- }
-- /* Split */
-- else {
-- remainder = chunk_at_offset(victim, nb);
-- unsorted_chunks(av)->bk = unsorted_chunks(av)->fd = remainder;
-- remainder->bk = remainder->fd = unsorted_chunks(av);
-- set_head(victim, nb | PREV_INUSE);
-- set_head(remainder, remainder_size | PREV_INUSE);
-- set_foot(remainder, remainder_size);
-- check_malloced_chunk(victim, nb);
-- UNLOCK;
-- return chunk2mem(victim);
-+ if ((unsigned long)(size) >= (unsigned long)(nb)) {
-+ remainder_size = size - nb;
-+ unlink(victim, bck, fwd);
-+
-+ /* Exhaust */
-+ if (remainder_size < MINSIZE) {
-+ set_inuse_bit_at_offset(victim, size);
-+ check_malloced_chunk(victim, nb);
-+ retval = chunk2mem(victim);
-+ goto DONE;
-+ }
-+ /* Split */
-+ else {
-+ remainder = chunk_at_offset(victim, nb);
-+ unsorted_chunks(av)->bk = unsorted_chunks(av)->fd = remainder;
-+ remainder->bk = remainder->fd = unsorted_chunks(av);
-+ set_head(victim, nb | PREV_INUSE);
-+ set_head(remainder, remainder_size | PREV_INUSE);
-+ set_foot(remainder, remainder_size);
-+ check_malloced_chunk(victim, nb);
-+ retval = chunk2mem(victim);
-+ goto DONE;
-+ }
-+ }
- }
-- }
-- }
- }
-
- /*
-- Search for a chunk by scanning bins, starting with next largest
-- bin. This search is strictly by best-fit; i.e., the smallest
-- (with ties going to approximately the least recently used) chunk
-- that fits is selected.
-+ Search for a chunk by scanning bins, starting with next largest
-+ bin. This search is strictly by best-fit; i.e., the smallest
-+ (with ties going to approximately the least recently used) chunk
-+ that fits is selected.
-
-- The bitmap avoids needing to check that most blocks are nonempty.
-- */
-+ The bitmap avoids needing to check that most blocks are nonempty.
-+ */
-
- ++idx;
- bin = bin_at(av,idx);
-@@ -1056,109 +1054,111 @@ void* malloc(size_t bytes)
-
- for (;;) {
-
-- /* Skip rest of block if there are no more set bits in this block. */
-- if (bit > map || bit == 0) {
-- do {
-- if (++block >= BINMAPSIZE) /* out of bins */
-- goto use_top;
-- } while ( (map = av->binmap[block]) == 0);
--
-- bin = bin_at(av, (block << BINMAPSHIFT));
-- bit = 1;
-- }
--
-- /* Advance to bin with set bit. There must be one. */
-- while ((bit & map) == 0) {
-- bin = next_bin(bin);
-- bit <<= 1;
-- assert(bit != 0);
-- }
--
-- /* Inspect the bin. It is likely to be non-empty */
-- victim = last(bin);
--
-- /* If a false alarm (empty bin), clear the bit. */
-- if (victim == bin) {
-- av->binmap[block] = map &= ~bit; /* Write through */
-- bin = next_bin(bin);
-- bit <<= 1;
-- }
--
-- else {
-- size = chunksize(victim);
--
-- /* We know the first chunk in this bin is big enough to use. */
-- assert((unsigned long)(size) >= (unsigned long)(nb));
--
-- remainder_size = size - nb;
--
-- /* unlink */
-- bck = victim->bk;
-- bin->bk = bck;
-- bck->fd = bin;
--
-- /* Exhaust */
-- if (remainder_size < MINSIZE) {
-- set_inuse_bit_at_offset(victim, size);
-- check_malloced_chunk(victim, nb);
-- UNLOCK;
-- return chunk2mem(victim);
-- }
-+ /* Skip rest of block if there are no more set bits in this block. */
-+ if (bit > map || bit == 0) {
-+ do {
-+ if (++block >= BINMAPSIZE) /* out of bins */
-+ goto use_top;
-+ } while ( (map = av->binmap[block]) == 0);
-
-- /* Split */
-- else {
-- remainder = chunk_at_offset(victim, nb);
-+ bin = bin_at(av, (block << BINMAPSHIFT));
-+ bit = 1;
-+ }
-
-- unsorted_chunks(av)->bk = unsorted_chunks(av)->fd = remainder;
-- remainder->bk = remainder->fd = unsorted_chunks(av);
-- /* advertise as last remainder */
-- if (in_smallbin_range(nb))
-- av->last_remainder = remainder;
-+ /* Advance to bin with set bit. There must be one. */
-+ while ((bit & map) == 0) {
-+ bin = next_bin(bin);
-+ bit <<= 1;
-+ assert(bit != 0);
-+ }
-
-- set_head(victim, nb | PREV_INUSE);
-- set_head(remainder, remainder_size | PREV_INUSE);
-- set_foot(remainder, remainder_size);
-- check_malloced_chunk(victim, nb);
-- UNLOCK;
-- return chunk2mem(victim);
-- }
-- }
-+ /* Inspect the bin. It is likely to be non-empty */
-+ victim = last(bin);
-+
-+ /* If a false alarm (empty bin), clear the bit. */
-+ if (victim == bin) {
-+ av->binmap[block] = map &= ~bit; /* Write through */
-+ bin = next_bin(bin);
-+ bit <<= 1;
-+ }
-+
-+ else {
-+ size = chunksize(victim);
-+
-+ /* We know the first chunk in this bin is big enough to use. */
-+ assert((unsigned long)(size) >= (unsigned long)(nb));
-+
-+ remainder_size = size - nb;
-+
-+ /* unlink */
-+ bck = victim->bk;
-+ bin->bk = bck;
-+ bck->fd = bin;
-+
-+ /* Exhaust */
-+ if (remainder_size < MINSIZE) {
-+ set_inuse_bit_at_offset(victim, size);
-+ check_malloced_chunk(victim, nb);
-+ retval = chunk2mem(victim);
-+ goto DONE;
-+ }
-+
-+ /* Split */
-+ else {
-+ remainder = chunk_at_offset(victim, nb);
-+
-+ unsorted_chunks(av)->bk = unsorted_chunks(av)->fd = remainder;
-+ remainder->bk = remainder->fd = unsorted_chunks(av);
-+ /* advertise as last remainder */
-+ if (in_smallbin_range(nb))
-+ av->last_remainder = remainder;
-+
-+ set_head(victim, nb | PREV_INUSE);
-+ set_head(remainder, remainder_size | PREV_INUSE);
-+ set_foot(remainder, remainder_size);
-+ check_malloced_chunk(victim, nb);
-+ retval = chunk2mem(victim);
-+ goto DONE;
-+ }
-+ }
- }
-
--use_top:
-+ use_top:
- /*
-- If large enough, split off the chunk bordering the end of memory
-- (held in av->top). Note that this is in accord with the best-fit
-- search rule. In effect, av->top is treated as larger (and thus
-- less well fitting) than any other available chunk since it can
-- be extended to be as large as necessary (up to system
-- limitations).
--
-- We require that av->top always exists (i.e., has size >=
-- MINSIZE) after initialization, so if it would otherwise be
-- exhuasted by current request, it is replenished. (The main
-- reason for ensuring it exists is that we may need MINSIZE space
-- to put in fenceposts in sysmalloc.)
-- */
-+ If large enough, split off the chunk bordering the end of memory
-+ (held in av->top). Note that this is in accord with the best-fit
-+ search rule. In effect, av->top is treated as larger (and thus
-+ less well fitting) than any other available chunk since it can
-+ be extended to be as large as necessary (up to system
-+ limitations).
-+
-+ We require that av->top always exists (i.e., has size >=
-+ MINSIZE) after initialization, so if it would otherwise be
-+ exhuasted by current request, it is replenished. (The main
-+ reason for ensuring it exists is that we may need MINSIZE space
-+ to put in fenceposts in sysmalloc.)
-+ */
-
- victim = av->top;
- size = chunksize(victim);
-
- if ((unsigned long)(size) >= (unsigned long)(nb + MINSIZE)) {
-- remainder_size = size - nb;
-- remainder = chunk_at_offset(victim, nb);
-- av->top = remainder;
-- set_head(victim, nb | PREV_INUSE);
-- set_head(remainder, remainder_size | PREV_INUSE);
--
-- check_malloced_chunk(victim, nb);
-- UNLOCK;
-- return chunk2mem(victim);
-+ remainder_size = size - nb;
-+ remainder = chunk_at_offset(victim, nb);
-+ av->top = remainder;
-+ set_head(victim, nb | PREV_INUSE);
-+ set_head(remainder, remainder_size | PREV_INUSE);
-+
-+ check_malloced_chunk(victim, nb);
-+ retval = chunk2mem(victim);
-+ goto DONE;
- }
-
- /* If no space in top, relay to handle system-dependent cases */
- sysmem = __malloc_alloc(nb, av);
-- UNLOCK;
-- return sysmem;
-+ retval = sysmem;
-+ DONE:
-+ __MALLOC_UNLOCK;
-+ return retval;
- }
-
-diff --git a/libc/stdlib/malloc-standard/malloc.h b/libc/stdlib/malloc-standard/malloc.h
-index fbc1492..14a0dd9 100644
---- a/libc/stdlib/malloc-standard/malloc.h
-+++ b/libc/stdlib/malloc-standard/malloc.h
-@@ -22,16 +22,12 @@
- #include <malloc.h>
- #include <stdlib.h>
-
-+#include <bits/uClibc_mutex.h>
-
--#ifdef __UCLIBC_HAS_THREADS__
--#include <pthread.h>
--extern pthread_mutex_t __malloc_lock;
--# define LOCK __pthread_mutex_lock(&__malloc_lock)
--# define UNLOCK __pthread_mutex_unlock(&__malloc_lock);
--#else
--# define LOCK
--# define UNLOCK
--#endif
-+__UCLIBC_MUTEX_EXTERN(__malloc_lock);
-+
-+#define __MALLOC_LOCK __UCLIBC_MUTEX_LOCK(__malloc_lock)
-+#define __MALLOC_UNLOCK __UCLIBC_MUTEX_UNLOCK(__malloc_lock)
-
-
-
-diff --git a/libc/stdlib/malloc-standard/mallopt.c b/libc/stdlib/malloc-standard/mallopt.c
-index e287920..41aa614 100644
---- a/libc/stdlib/malloc-standard/mallopt.c
-+++ b/libc/stdlib/malloc-standard/mallopt.c
-@@ -8,7 +8,7 @@
- VERSION 2.7.2 Sat Aug 17 09:07:30 2002 Doug Lea (dl at gee)
-
- Note: There may be an updated version of this malloc obtainable at
-- ftp://gee.cs.oswego.edu/pub/misc/malloc.c
-+ ftp://gee.cs.oswego.edu/pub/misc/malloc.c
- Check before installing!
-
- Hacked up for uClibc by Erik Andersen <andersen@codepoet.org>
-@@ -25,40 +25,40 @@ int mallopt(int param_number, int value)
-
- ret = 0;
-
-- LOCK;
-+ __MALLOC_LOCK;
- av = get_malloc_state();
- /* Ensure initialization/consolidation */
- __malloc_consolidate(av);
-
- switch(param_number) {
-- case M_MXFAST:
-- if (value >= 0 && value <= MAX_FAST_SIZE) {
-- set_max_fast(av, value);
-- ret = 1;
-- }
-- break;
--
-- case M_TRIM_THRESHOLD:
-- av->trim_threshold = value;
-- ret = 1;
-- break;
--
-- case M_TOP_PAD:
-- av->top_pad = value;
-- ret = 1;
-- break;
--
-- case M_MMAP_THRESHOLD:
-- av->mmap_threshold = value;
-- ret = 1;
-- break;
--
-- case M_MMAP_MAX:
-- av->n_mmaps_max = value;
-- ret = 1;
-- break;
-+ case M_MXFAST:
-+ if (value >= 0 && value <= MAX_FAST_SIZE) {
-+ set_max_fast(av, value);
-+ ret = 1;
-+ }
-+ break;
-+
-+ case M_TRIM_THRESHOLD:
-+ av->trim_threshold = value;
-+ ret = 1;
-+ break;
-+
-+ case M_TOP_PAD:
-+ av->top_pad = value;
-+ ret = 1;
-+ break;
-+
-+ case M_MMAP_THRESHOLD:
-+ av->mmap_threshold = value;
-+ ret = 1;
-+ break;
-+
-+ case M_MMAP_MAX:
-+ av->n_mmaps_max = value;
-+ ret = 1;
-+ break;
- }
-- UNLOCK;
-+ __MALLOC_UNLOCK;
- return ret;
- }
-
-diff --git a/libc/stdlib/malloc-standard/memalign.c b/libc/stdlib/malloc-standard/memalign.c
-index bd95362..e78d752 100644
---- a/libc/stdlib/malloc-standard/memalign.c
-+++ b/libc/stdlib/malloc-standard/memalign.c
-@@ -8,7 +8,7 @@
- VERSION 2.7.2 Sat Aug 17 09:07:30 2002 Doug Lea (dl at gee)
-
- Note: There may be an updated version of this malloc obtainable at
-- ftp://gee.cs.oswego.edu/pub/misc/malloc.c
-+ ftp://gee.cs.oswego.edu/pub/misc/malloc.c
- Check before installing!
-
- Hacked up for uClibc by Erik Andersen <andersen@codepoet.org>
-@@ -35,6 +35,7 @@ void* memalign(size_t alignment, size_t
- mchunkptr remainder; /* spare room at end to split off */
- unsigned long remainder_size; /* its size */
- size_t size;
-+ void *retval;
-
- /* If need less alignment than we give anyway, just relay to malloc */
-
-@@ -46,12 +47,12 @@ void* memalign(size_t alignment, size_t
-
- /* Make sure alignment is power of 2 (in case MINSIZE is not). */
- if ((alignment & (alignment - 1)) != 0) {
-- size_t a = MALLOC_ALIGNMENT * 2;
-- while ((unsigned long)a < (unsigned long)alignment) a <<= 1;
-- alignment = a;
-+ size_t a = MALLOC_ALIGNMENT * 2;
-+ while ((unsigned long)a < (unsigned long)alignment) a <<= 1;
-+ alignment = a;
- }
-
-- LOCK;
-+ __MALLOC_LOCK;
- checked_request2size(bytes, nb);
-
- /* Strategy: find a spot within that chunk that meets the alignment
-@@ -63,64 +64,67 @@ void* memalign(size_t alignment, size_t
- m = (char*)(malloc(nb + alignment + MINSIZE));
-
- if (m == 0) {
-- UNLOCK;
-- return 0; /* propagate failure */
-+ retval = 0; /* propagate failure */
-+ goto DONE;
- }
-
- p = mem2chunk(m);
-
- if ((((unsigned long)(m)) % alignment) != 0) { /* misaligned */
-
-- /*
-- Find an aligned spot inside chunk. Since we need to give back
-- leading space in a chunk of at least MINSIZE, if the first
-- calculation places us at a spot with less than MINSIZE leader,
-- we can move to the next aligned spot -- we've allocated enough
-- total room so that this is always possible.
-- */
--
-- brk = (char*)mem2chunk((unsigned long)(((unsigned long)(m + alignment - 1)) &
-- -((signed long) alignment)));
-- if ((unsigned long)(brk - (char*)(p)) < MINSIZE)
-- brk += alignment;
--
-- newp = (mchunkptr)brk;
-- leadsize = brk - (char*)(p);
-- newsize = chunksize(p) - leadsize;
--
-- /* For mmapped chunks, just adjust offset */
-- if (chunk_is_mmapped(p)) {
-- newp->prev_size = p->prev_size + leadsize;
-- set_head(newp, newsize|IS_MMAPPED);
-- UNLOCK;
-- return chunk2mem(newp);
-- }
--
-- /* Otherwise, give back leader, use the rest */
-- set_head(newp, newsize | PREV_INUSE);
-- set_inuse_bit_at_offset(newp, newsize);
-- set_head_size(p, leadsize);
-- free(chunk2mem(p));
-- p = newp;
-+ /*
-+ Find an aligned spot inside chunk. Since we need to give back
-+ leading space in a chunk of at least MINSIZE, if the first
-+ calculation places us at a spot with less than MINSIZE leader,
-+ we can move to the next aligned spot -- we've allocated enough
-+ total room so that this is always possible.
-+ */
-+
-+ brk = (char*)mem2chunk((unsigned long)(((unsigned long)(m + alignment - 1)) &
-+ -((signed long) alignment)));
-+ if ((unsigned long)(brk - (char*)(p)) < MINSIZE)
-+ brk += alignment;
-+
-+ newp = (mchunkptr)brk;
-+ leadsize = brk - (char*)(p);
-+ newsize = chunksize(p) - leadsize;
-+
-+ /* For mmapped chunks, just adjust offset */
-+ if (chunk_is_mmapped(p)) {
-+ newp->prev_size = p->prev_size + leadsize;
-+ set_head(newp, newsize|IS_MMAPPED);
-+ retval = chunk2mem(newp);
-+ goto DONE;
-+ }
-+
-+ /* Otherwise, give back leader, use the rest */
-+ set_head(newp, newsize | PREV_INUSE);
-+ set_inuse_bit_at_offset(newp, newsize);
-+ set_head_size(p, leadsize);
-+ free(chunk2mem(p));
-+ p = newp;
-
-- assert (newsize >= nb &&
-- (((unsigned long)(chunk2mem(p))) % alignment) == 0);
-+ assert (newsize >= nb &&
-+ (((unsigned long)(chunk2mem(p))) % alignment) == 0);
- }
-
- /* Also give back spare room at the end */
- if (!chunk_is_mmapped(p)) {
-- size = chunksize(p);
-- if ((unsigned long)(size) > (unsigned long)(nb + MINSIZE)) {
-- remainder_size = size - nb;
-- remainder = chunk_at_offset(p, nb);
-- set_head(remainder, remainder_size | PREV_INUSE);
-- set_head_size(p, nb);
-- free(chunk2mem(remainder));
-- }
-+ size = chunksize(p);
-+ if ((unsigned long)(size) > (unsigned long)(nb + MINSIZE)) {
-+ remainder_size = size - nb;
-+ remainder = chunk_at_offset(p, nb);
-+ set_head(remainder, remainder_size | PREV_INUSE);
-+ set_head_size(p, nb);
-+ free(chunk2mem(remainder));
-+ }
- }
-
- check_inuse_chunk(p);
-- UNLOCK;
-- return chunk2mem(p);
-+ retval = chunk2mem(p);
-+
-+ DONE:
-+ __MALLOC_UNLOCK;
-+ return retval;
- }
-
-diff --git a/libc/stdlib/malloc-standard/realloc.c b/libc/stdlib/malloc-standard/realloc.c
-index 1950130..9ca4b26 100644
---- a/libc/stdlib/malloc-standard/realloc.c
-+++ b/libc/stdlib/malloc-standard/realloc.c
-@@ -8,7 +8,7 @@
- VERSION 2.7.2 Sat Aug 17 09:07:30 2002 Doug Lea (dl at gee)
-
- Note: There may be an updated version of this malloc obtainable at
-- ftp://gee.cs.oswego.edu/pub/misc/malloc.c
-+ ftp://gee.cs.oswego.edu/pub/misc/malloc.c
- Check before installing!
-
- Hacked up for uClibc by Erik Andersen <andersen@codepoet.org>
-@@ -23,14 +23,14 @@ void* realloc(void* oldmem, size_t bytes
- {
- mstate av;
-
-- size_t nb; /* padded request size */
-+ size_t nb; /* padded request size */
-
- mchunkptr oldp; /* chunk corresponding to oldmem */
-- size_t oldsize; /* its size */
-+ size_t oldsize; /* its size */
-
- mchunkptr newp; /* chunk to return */
-- size_t newsize; /* its size */
-- void* newmem; /* corresponding user mem */
-+ size_t newsize; /* its size */
-+ void* newmem; /* corresponding user mem */
-
- mchunkptr next; /* next contiguous chunk after oldp */
-
-@@ -40,21 +40,23 @@ void* realloc(void* oldmem, size_t bytes
- mchunkptr bck; /* misc temp for linking */
- mchunkptr fwd; /* misc temp for linking */
-
-- unsigned long copysize; /* bytes to copy */
-+ unsigned long copysize; /* bytes to copy */
- unsigned int ncopies; /* size_t words to copy */
-- size_t* s; /* copy source */
-- size_t* d; /* copy destination */
-+ size_t* s; /* copy source */
-+ size_t* d; /* copy destination */
-+
-+ void *retval;
-
-
- /* Check for special cases. */
- if (! oldmem)
-- return malloc(bytes);
-+ return malloc(bytes);
- if (! bytes) {
-- free (oldmem);
-- return malloc(bytes);
-+ free (oldmem);
-+ return malloc(bytes);
- }
-
-- LOCK;
-+ __MALLOC_LOCK;
- av = get_malloc_state();
- checked_request2size(bytes, nb);
-
-@@ -65,173 +67,176 @@ void* realloc(void* oldmem, size_t bytes
-
- if (!chunk_is_mmapped(oldp)) {
-
-- if ((unsigned long)(oldsize) >= (unsigned long)(nb)) {
-- /* already big enough; split below */
-- newp = oldp;
-- newsize = oldsize;
-- }
--
-- else {
-- next = chunk_at_offset(oldp, oldsize);
--
-- /* Try to expand forward into top */
-- if (next == av->top &&
-- (unsigned long)(newsize = oldsize + chunksize(next)) >=
-- (unsigned long)(nb + MINSIZE)) {
-- set_head_size(oldp, nb);
-- av->top = chunk_at_offset(oldp, nb);
-- set_head(av->top, (newsize - nb) | PREV_INUSE);
-- UNLOCK;
-- return chunk2mem(oldp);
-- }
--
-- /* Try to expand forward into next chunk; split off remainder below */
-- else if (next != av->top &&
-- !inuse(next) &&
-- (unsigned long)(newsize = oldsize + chunksize(next)) >=
-- (unsigned long)(nb)) {
-- newp = oldp;
-- unlink(next, bck, fwd);
-- }
--
-- /* allocate, copy, free */
-- else {
-- newmem = malloc(nb - MALLOC_ALIGN_MASK);
-- if (newmem == 0) {
-- UNLOCK;
-- return 0; /* propagate failure */
-- }
--
-- newp = mem2chunk(newmem);
-- newsize = chunksize(newp);
--
-- /*
-- Avoid copy if newp is next chunk after oldp.
-- */
-- if (newp == next) {
-- newsize += oldsize;
-- newp = oldp;
-+ if ((unsigned long)(oldsize) >= (unsigned long)(nb)) {
-+ /* already big enough; split below */
-+ newp = oldp;
-+ newsize = oldsize;
- }
-+
- else {
-- /*
-- Unroll copy of <= 36 bytes (72 if 8byte sizes)
-- We know that contents have an odd number of
-- size_t-sized words; minimally 3.
-- */
--
-- copysize = oldsize - (sizeof(size_t));
-- s = (size_t*)(oldmem);
-- d = (size_t*)(newmem);
-- ncopies = copysize / sizeof(size_t);
-- assert(ncopies >= 3);
--
-- if (ncopies > 9)
-- memcpy(d, s, copysize);
--
-- else {
-- *(d+0) = *(s+0);
-- *(d+1) = *(s+1);
-- *(d+2) = *(s+2);
-- if (ncopies > 4) {
-- *(d+3) = *(s+3);
-- *(d+4) = *(s+4);
-- if (ncopies > 6) {
-- *(d+5) = *(s+5);
-- *(d+6) = *(s+6);
-- if (ncopies > 8) {
-- *(d+7) = *(s+7);
-- *(d+8) = *(s+8);
-+ next = chunk_at_offset(oldp, oldsize);
-+
-+ /* Try to expand forward into top */
-+ if (next == av->top &&
-+ (unsigned long)(newsize = oldsize + chunksize(next)) >=
-+ (unsigned long)(nb + MINSIZE)) {
-+ set_head_size(oldp, nb);
-+ av->top = chunk_at_offset(oldp, nb);
-+ set_head(av->top, (newsize - nb) | PREV_INUSE);
-+ retval = chunk2mem(oldp);
-+ goto DONE;
-+ }
-+
-+ /* Try to expand forward into next chunk; split off remainder below */
-+ else if (next != av->top &&
-+ !inuse(next) &&
-+ (unsigned long)(newsize = oldsize + chunksize(next)) >=
-+ (unsigned long)(nb)) {
-+ newp = oldp;
-+ unlink(next, bck, fwd);
-+ }
-+
-+ /* allocate, copy, free */
-+ else {
-+ newmem = malloc(nb - MALLOC_ALIGN_MASK);
-+ if (newmem == 0) {
-+ retval = 0; /* propagate failure */
-+ goto DONE;
-+ }
-+
-+ newp = mem2chunk(newmem);
-+ newsize = chunksize(newp);
-+
-+ /*
-+ Avoid copy if newp is next chunk after oldp.
-+ */
-+ if (newp == next) {
-+ newsize += oldsize;
-+ newp = oldp;
-+ }
-+ else {
-+ /*
-+ Unroll copy of <= 36 bytes (72 if 8byte sizes)
-+ We know that contents have an odd number of
-+ size_t-sized words; minimally 3.
-+ */
-+
-+ copysize = oldsize - (sizeof(size_t));
-+ s = (size_t*)(oldmem);
-+ d = (size_t*)(newmem);
-+ ncopies = copysize / sizeof(size_t);
-+ assert(ncopies >= 3);
-+
-+ if (ncopies > 9)
-+ memcpy(d, s, copysize);
-+
-+ else {
-+ *(d+0) = *(s+0);
-+ *(d+1) = *(s+1);
-+ *(d+2) = *(s+2);
-+ if (ncopies > 4) {
-+ *(d+3) = *(s+3);
-+ *(d+4) = *(s+4);
-+ if (ncopies > 6) {
-+ *(d+5) = *(s+5);
-+ *(d+6) = *(s+6);
-+ if (ncopies > 8) {
-+ *(d+7) = *(s+7);
-+ *(d+8) = *(s+8);
-+ }
-+ }
-+ }
-+ }
-+
-+ free(oldmem);
-+ check_inuse_chunk(newp);
-+ retval = chunk2mem(newp);
-+ goto DONE;
- }
-- }
- }
-- }
-+ }
-+
-+ /* If possible, free extra space in old or extended chunk */
-+
-+ assert((unsigned long)(newsize) >= (unsigned long)(nb));
-+
-+ remainder_size = newsize - nb;
-
-- free(oldmem);
-- check_inuse_chunk(newp);
-- UNLOCK;
-- return chunk2mem(newp);
-- }
-- }
-- }
--
-- /* If possible, free extra space in old or extended chunk */
--
-- assert((unsigned long)(newsize) >= (unsigned long)(nb));
--
-- remainder_size = newsize - nb;
--
-- if (remainder_size < MINSIZE) { /* not enough extra to split off */
-- set_head_size(newp, newsize);
-- set_inuse_bit_at_offset(newp, newsize);
-- }
-- else { /* split remainder */
-- remainder = chunk_at_offset(newp, nb);
-- set_head_size(newp, nb);
-- set_head(remainder, remainder_size | PREV_INUSE);
-- /* Mark remainder as inuse so free() won't complain */
-- set_inuse_bit_at_offset(remainder, remainder_size);
-- free(chunk2mem(remainder));
-- }
--
-- check_inuse_chunk(newp);
-- UNLOCK;
-- return chunk2mem(newp);
-+ if (remainder_size < MINSIZE) { /* not enough extra to split off */
-+ set_head_size(newp, newsize);
-+ set_inuse_bit_at_offset(newp, newsize);
-+ }
-+ else { /* split remainder */
-+ remainder = chunk_at_offset(newp, nb);
-+ set_head_size(newp, nb);
-+ set_head(remainder, remainder_size | PREV_INUSE);
-+ /* Mark remainder as inuse so free() won't complain */
-+ set_inuse_bit_at_offset(remainder, remainder_size);
-+ free(chunk2mem(remainder));
-+ }
-+
-+ check_inuse_chunk(newp);
-+ retval = chunk2mem(newp);
-+ goto DONE;
- }
-
- /*
-- Handle mmap cases
-- */
-+ Handle mmap cases
-+ */
-
- else {
-- size_t offset = oldp->prev_size;
-- size_t pagemask = av->pagesize - 1;
-- char *cp;
-- unsigned long sum;
--
-- /* Note the extra (sizeof(size_t)) overhead */
-- newsize = (nb + offset + (sizeof(size_t)) + pagemask) & ~pagemask;
--
-- /* don't need to remap if still within same page */
-- if (oldsize == newsize - offset) {
-- UNLOCK;
-- return oldmem;
-- }
--
-- cp = (char*)mremap((char*)oldp - offset, oldsize + offset, newsize, 1);
--
-- if (cp != (char*)MORECORE_FAILURE) {
--
-- newp = (mchunkptr)(cp + offset);
-- set_head(newp, (newsize - offset)|IS_MMAPPED);
--
-- assert(aligned_OK(chunk2mem(newp)));
-- assert((newp->prev_size == offset));
--
-- /* update statistics */
-- sum = av->mmapped_mem += newsize - oldsize;
-- if (sum > (unsigned long)(av->max_mmapped_mem))
-- av->max_mmapped_mem = sum;
-- sum += av->sbrked_mem;
-- if (sum > (unsigned long)(av->max_total_mem))
-- av->max_total_mem = sum;
--
-- UNLOCK;
-- return chunk2mem(newp);
-- }
--
-- /* Note the extra (sizeof(size_t)) overhead. */
-- if ((unsigned long)(oldsize) >= (unsigned long)(nb + (sizeof(size_t))))
-- newmem = oldmem; /* do nothing */
-- else {
-- /* Must alloc, copy, free. */
-- newmem = malloc(nb - MALLOC_ALIGN_MASK);
-- if (newmem != 0) {
-- memcpy(newmem, oldmem, oldsize - 2*(sizeof(size_t)));
-- free(oldmem);
-- }
-- }
-- UNLOCK;
-- return newmem;
-+ size_t offset = oldp->prev_size;
-+ size_t pagemask = av->pagesize - 1;
-+ char *cp;
-+ unsigned long sum;
-+
-+ /* Note the extra (sizeof(size_t)) overhead */
-+ newsize = (nb + offset + (sizeof(size_t)) + pagemask) & ~pagemask;
-+
-+ /* don't need to remap if still within same page */
-+ if (oldsize == newsize - offset) {
-+ retval = oldmem;
-+ goto DONE;
-+ }
-+
-+ cp = (char*)mremap((char*)oldp - offset, oldsize + offset, newsize, 1);
-+
-+ if (cp != (char*)MORECORE_FAILURE) {
-+
-+ newp = (mchunkptr)(cp + offset);
-+ set_head(newp, (newsize - offset)|IS_MMAPPED);
-+
-+ assert(aligned_OK(chunk2mem(newp)));
-+ assert((newp->prev_size == offset));
-+
-+ /* update statistics */
-+ sum = av->mmapped_mem += newsize - oldsize;
-+ if (sum > (unsigned long)(av->max_mmapped_mem))
-+ av->max_mmapped_mem = sum;
-+ sum += av->sbrked_mem;
-+ if (sum > (unsigned long)(av->max_total_mem))
-+ av->max_total_mem = sum;
-+
-+ retval = chunk2mem(newp);
-+ goto DONE;
-+ }
-+
-+ /* Note the extra (sizeof(size_t)) overhead. */
-+ if ((unsigned long)(oldsize) >= (unsigned long)(nb + (sizeof(size_t))))
-+ newmem = oldmem; /* do nothing */
-+ else {
-+ /* Must alloc, copy, free. */
-+ newmem = malloc(nb - MALLOC_ALIGN_MASK);
-+ if (newmem != 0) {
-+ memcpy(newmem, oldmem, oldsize - 2*(sizeof(size_t)));
-+ free(oldmem);
-+ }
-+ }
-+ retval = newmem;
- }
-+
-+ DONE:
-+ __MALLOC_UNLOCK;
-+ return retval;
- }
-
-diff --git a/libc/stdlib/random.c b/libc/stdlib/random.c
-index b0a00e1..1bd63bc 100644
---- a/libc/stdlib/random.c
-+++ b/libc/stdlib/random.c
-@@ -27,16 +27,14 @@
- #include <limits.h>
- #include <stddef.h>
- #include <stdlib.h>
--#ifdef __UCLIBC_HAS_THREADS__
--#include <pthread.h>
-+
- /* POSIX.1c requires that there is mutual exclusion for the `rand' and
- `srand' functions to prevent concurrent calls from modifying common
- data. */
--static pthread_mutex_t lock = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
--#else
--#define __pthread_mutex_lock(x)
--#define __pthread_mutex_unlock(x)
--#endif
-+
-+#include <bits/uClibc_mutex.h>
-+
-+__UCLIBC_MUTEX_STATIC(mylock, PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP);
-
- /* An improved random number generation package. In addition to the standard
- rand()/srand() like interface, this package also has a special state info
-@@ -184,9 +182,9 @@ static struct random_data unsafe_state =
- for default usage relies on values produced by this routine. */
- void srandom (unsigned int x)
- {
-- __pthread_mutex_lock(&lock);
-+ __UCLIBC_MUTEX_LOCK(mylock);
- srandom_r (x, &unsafe_state);
-- __pthread_mutex_unlock(&lock);
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
- }
- weak_alias (srandom, srand)
-
-@@ -205,10 +203,10 @@ char * initstate (unsigned int seed, cha
- {
- int32_t *ostate;
-
-- __pthread_mutex_lock(&lock);
-+ __UCLIBC_MUTEX_LOCK(mylock);
- ostate = &unsafe_state.state[-1];
- initstate_r (seed, arg_state, n, &unsafe_state);
-- __pthread_mutex_unlock(&lock);
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
- return (char *) ostate;
- }
-
-@@ -224,11 +222,11 @@ char * setstate (char *arg_state)
- {
- int32_t *ostate;
-
-- __pthread_mutex_lock(&lock);
-+ __UCLIBC_MUTEX_LOCK(mylock);
- ostate = &unsafe_state.state[-1];
- if (setstate_r (arg_state, &unsafe_state) < 0)
- ostate = NULL;
-- __pthread_mutex_unlock(&lock);
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
- return (char *) ostate;
- }
-
-@@ -247,9 +245,9 @@ long int random ()
- {
- int32_t retval;
-
-- __pthread_mutex_lock(&lock);
-+ __UCLIBC_MUTEX_LOCK(mylock);
- random_r (&unsafe_state, &retval);
-- __pthread_mutex_unlock(&lock);
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
- return retval;
- }
-
-diff --git a/libc/stdlib/setenv.c b/libc/stdlib/setenv.c
-index d0cfe52..2d899cc 100644
---- a/libc/stdlib/setenv.c
-+++ b/libc/stdlib/setenv.c
-@@ -17,7 +17,7 @@
- 02111-1307 USA.
-
- modified for uClibc by Erik Andersen <andersen@codepoet.org>
-- */
-+*/
-
- #define _GNU_SOURCE
- #include <features.h>
-@@ -26,16 +26,9 @@
- #include <string.h>
- #include <unistd.h>
-
--#ifdef __UCLIBC_HAS_THREADS__
--#include <pthread.h>
--static pthread_mutex_t mylock = PTHREAD_MUTEX_INITIALIZER;
--# define LOCK __pthread_mutex_lock(&mylock)
--# define UNLOCK __pthread_mutex_unlock(&mylock);
--#else
--# define LOCK
--# define UNLOCK
--#endif
-+#include <bits/uClibc_mutex.h>
-
-+__UCLIBC_MUTEX_STATIC(mylock, PTHREAD_MUTEX_INITIALIZER);
-
- /* If this variable is not a null pointer we allocated the current
- environment. */
-@@ -49,14 +42,15 @@ static char **last_environ;
- to reuse values once generated for a `setenv' call since we can never
- free the strings. */
- int __add_to_environ (const char *name, const char *value,
-- const char *combined, int replace)
-+ const char *combined, int replace)
- {
- register char **ep;
- register size_t size;
- const size_t namelen = strlen (name);
- const size_t vallen = value != NULL ? strlen (value) + 1 : 0;
-+ int rv = -1;
-
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
-
- /* We have to get the pointer now that we have the lock and not earlier
- since another thread might have created a new environment. */
-@@ -64,72 +58,72 @@ int __add_to_environ (const char *name,
-
- size = 0;
- if (ep != NULL) {
-- for (; *ep != NULL; ++ep) {
-- if (!strncmp (*ep, name, namelen) && (*ep)[namelen] == '=')
-- break;
-- else
-- ++size;
-- }
-+ for (; *ep != NULL; ++ep) {
-+ if (!strncmp (*ep, name, namelen) && (*ep)[namelen] == '=')
-+ break;
-+ else
-+ ++size;
-+ }
- }
-
- if (ep == NULL || *ep == NULL) {
-- char **new_environ;
-+ char **new_environ;
-
-- /* We allocated this space; we can extend it. */
-- new_environ = (char **) realloc (last_environ,
-- (size + 2) * sizeof (char *));
-- if (new_environ == NULL) {
-- UNLOCK;
-- return -1;
-- }
--
-- /* If the whole entry is given add it. */
-- if (combined != NULL) {
-- /* We must not add the string to the search tree since it belongs
-- to the user. */
-- new_environ[size] = (char *) combined;
-- } else {
-- /* See whether the value is already known. */
-- new_environ[size] = (char *) malloc (namelen + 1 + vallen);
-- if (new_environ[size] == NULL) {
-- __set_errno (ENOMEM);
-- UNLOCK;
-- return -1;
-- }
--
-- memcpy (new_environ[size], name, namelen);
-- new_environ[size][namelen] = '=';
-- memcpy (&new_environ[size][namelen + 1], value, vallen);
-- }
--
-- if (__environ != last_environ) {
-- memcpy ((char *) new_environ, (char *) __environ,
-- size * sizeof (char *));
-- }
-+ /* We allocated this space; we can extend it. */
-+ new_environ = (char **) realloc (last_environ,
-+ (size + 2) * sizeof (char *));
-+ if (new_environ == NULL) {
-+ goto DONE;
-+ }
-+
-+ /* If the whole entry is given add it. */
-+ if (combined != NULL) {
-+ /* We must not add the string to the search tree since it belongs
-+ to the user. */
-+ new_environ[size] = (char *) combined;
-+ } else {
-+ /* See whether the value is already known. */
-+ new_environ[size] = (char *) malloc (namelen + 1 + vallen);
-+ if (new_environ[size] == NULL) {
-+ __set_errno (ENOMEM);
-+ goto DONE;
-+ }
-+
-+ memcpy (new_environ[size], name, namelen);
-+ new_environ[size][namelen] = '=';
-+ memcpy (&new_environ[size][namelen + 1], value, vallen);
-+ }
-+
-+ if (__environ != last_environ) {
-+ memcpy ((char *) new_environ, (char *) __environ,
-+ size * sizeof (char *));
-+ }
-
-- new_environ[size + 1] = NULL;
-- last_environ = __environ = new_environ;
-+ new_environ[size + 1] = NULL;
-+ last_environ = __environ = new_environ;
- } else if (replace) {
-- char *np;
-+ char *np;
-
-- /* Use the user string if given. */
-- if (combined != NULL) {
-- np = (char *) combined;
-- } else {
-- np = malloc (namelen + 1 + vallen);
-- if (np == NULL) {
-- UNLOCK;
-- return -1;
-- }
-- memcpy (np, name, namelen);
-- np[namelen] = '=';
-- memcpy (&np[namelen + 1], value, vallen);
-- }
-- *ep = np;
-- }
--
-- UNLOCK;
-- return 0;
-+ /* Use the user string if given. */
-+ if (combined != NULL) {
-+ np = (char *) combined;
-+ } else {
-+ np = malloc (namelen + 1 + vallen);
-+ if (np == NULL) {
-+ goto DONE;
-+ }
-+ memcpy (np, name, namelen);
-+ np[namelen] = '=';
-+ memcpy (&np[namelen + 1], value, vallen);
-+ }
-+ *ep = np;
-+ }
-+
-+ rv = 0;
-+
-+ DONE:
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
-+ return rv;
- }
-
- int setenv (const char *name, const char *value, int replace)
-@@ -143,26 +137,26 @@ int unsetenv (const char *name)
- char **ep;
-
- if (name == NULL || *name == '\0' || strchr (name, '=') != NULL) {
-- __set_errno (EINVAL);
-- return -1;
-+ __set_errno (EINVAL);
-+ return -1;
- }
-
- len = strlen (name);
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
- ep = __environ;
- while (*ep != NULL) {
-- if (!strncmp (*ep, name, len) && (*ep)[len] == '=') {
-- /* Found it. Remove this pointer by moving later ones back. */
-- char **dp = ep;
-- do {
-- dp[0] = dp[1];
-- } while (*dp++);
-- /* Continue the loop in case NAME appears again. */
-- } else {
-- ++ep;
-- }
-+ if (!strncmp (*ep, name, len) && (*ep)[len] == '=') {
-+ /* Found it. Remove this pointer by moving later ones back. */
-+ char **dp = ep;
-+ do {
-+ dp[0] = dp[1];
-+ } while (*dp++);
-+ /* Continue the loop in case NAME appears again. */
-+ } else {
-+ ++ep;
-+ }
- }
-- UNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
- return 0;
- }
-
-@@ -171,15 +165,15 @@ int unsetenv (const char *name)
- for Fortran 77) requires this function. */
- int clearenv (void)
- {
-- LOCK;
-+ __UCLIBC_MUTEX_LOCK(mylock);
- if (__environ == last_environ && __environ != NULL) {
-- /* We allocated this environment so we can free it. */
-- free (__environ);
-- last_environ = NULL;
-+ /* We allocated this environment so we can free it. */
-+ free (__environ);
-+ last_environ = NULL;
- }
- /* Clear the environment pointer removes the whole environment. */
- __environ = NULL;
-- UNLOCK;
-+ __UCLIBC_MUTEX_UNLOCK(mylock);
- return 0;
- }
-
-@@ -190,10 +184,10 @@ int putenv (char *string)
- const char *const name_end = strchr (string, '=');
-
- if (name_end != NULL) {
-- char *name = strndup(string, name_end - string);
-- result = __add_to_environ (name, NULL, string, 1);
-- free(name);
-- return(result);
-+ char *name = strndup(string, name_end - string);
-+ result = __add_to_environ (name, NULL, string, 1);
-+ free(name);
-+ return(result);
- }
- unsetenv (string);
- return 0;
-diff --git a/libc/sysdeps/linux/common/bits/uClibc_stdio.h b/libc/sysdeps/linux/common/bits/uClibc_stdio.h
-index 40cd5fe..3c6911e 100644
---- a/libc/sysdeps/linux/common/bits/uClibc_stdio.h
-+++ b/libc/sysdeps/linux/common/bits/uClibc_stdio.h
-@@ -116,9 +116,7 @@
- #endif
-
- /**********************************************************************/
--#ifdef __UCLIBC_HAS_THREADS__
--/* Need this for pthread_mutex_t. */
--#include <bits/pthreadtypes.h>
-+#include <bits/uClibc_mutex.h>
-
- /* user_locking
- * 0 : do auto locking/unlocking
-@@ -132,43 +130,37 @@
- * This way, we avoid calling the weak lock/unlock functions.
- */
-
--#define __STDIO_AUTO_THREADLOCK_VAR int __infunc_user_locking
--
--#define __STDIO_AUTO_THREADLOCK(__stream) \
-- if ((__infunc_user_locking = (__stream)->__user_locking) == 0) { \
-- __pthread_mutex_lock(&(__stream)->__lock); \
-- }
--
--#define __STDIO_AUTO_THREADUNLOCK(__stream) \
-- if (__infunc_user_locking == 0) { \
-- __pthread_mutex_unlock(&(__stream)->__lock); \
-- }
-+#define __STDIO_AUTO_THREADLOCK_VAR \
-+ __UCLIBC_MUTEX_AUTO_LOCK_VAR(__infunc_user_locking)
-
--#define __STDIO_SET_USER_LOCKING(__stream) ((__stream)->__user_locking = 1)
-+#define __STDIO_AUTO_THREADLOCK(__stream) \
-+ __UCLIBC_MUTEX_AUTO_LOCK((__stream)->__lock, __infunc_user_locking, \
-+ (__stream)->__user_locking)
-
--#define __STDIO_ALWAYS_THREADLOCK(__stream) \
-- __pthread_mutex_lock(&(__stream)->__lock)
-+#define __STDIO_AUTO_THREADUNLOCK(__stream) \
-+ __UCLIBC_MUTEX_AUTO_UNLOCK((__stream)->__lock, __infunc_user_locking)
-
--#define __STDIO_ALWAYS_THREADTRYLOCK(__stream) \
-- __pthread_mutex_trylock(&(__stream)->__lock)
-+#define __STDIO_ALWAYS_THREADLOCK(__stream) \
-+ __UCLIBC_MUTEX_LOCK((__stream)->__lock)
-
--#define __STDIO_ALWAYS_THREADUNLOCK(__stream) \
-- __pthread_mutex_unlock(&(__stream)->__lock)
-+#define __STDIO_ALWAYS_THREADUNLOCK(__stream) \
-+ __UCLIBC_MUTEX_UNLOCK((__stream)->__lock)
-
--#else /* __UCLIBC_HAS_THREADS__ */
-+#define __STDIO_ALWAYS_THREADLOCK_CANCEL_UNSAFE(__stream) \
-+ __UCLIBC_MUTEX_LOCK_CANCEL_UNSAFE((__stream)->__lock)
-
--#define __STDIO_AUTO_THREADLOCK_VAR ((void)0)
-+#define __STDIO_ALWAYS_THREADTRYLOCK_CANCEL_UNSAFE(__stream) \
-+ __UCLIBC_MUTEX_TRYLOCK_CANCEL_UNSAFE((__stream)->__lock)
-
--#define __STDIO_AUTO_THREADLOCK(__stream) ((void)0)
--#define __STDIO_AUTO_THREADUNLOCK(__stream) ((void)0)
-+#define __STDIO_ALWAYS_THREADUNLOCK_CANCEL_UNSAFE(__stream) \
-+ __UCLIBC_MUTEX_UNLOCK_CANCEL_UNSAFE((__stream)->__lock)
-
-+#ifdef __UCLIBC_HAS_THREADS__
-+#define __STDIO_SET_USER_LOCKING(__stream) ((__stream)->__user_locking = 1)
-+#else
- #define __STDIO_SET_USER_LOCKING(__stream) ((void)0)
-+#endif
-
--#define __STDIO_ALWAYS_THREADLOCK(__stream) ((void)0)
--#define __STDIO_ALWAYS_THREADTRYLOCK(__stream) (0) /* Always succeed. */
--#define __STDIO_ALWAYS_THREADUNLOCK(__stream) ((void)0)
--
--#endif /* __UCLIBC_HAS_THREADS__ */
- /**********************************************************************/
-
- #define __STDIO_IOFBF 0 /* Fully buffered. */
-@@ -283,7 +275,7 @@ struct __STDIO_FILE_STRUCT {
- #endif
- #ifdef __UCLIBC_HAS_THREADS__
- int __user_locking;
-- pthread_mutex_t __lock;
-+ __UCLIBC_MUTEX(__lock);
- #endif
- /* Everything after this is unimplemented... and may be trashed. */
- #if __STDIO_BUILTIN_BUF_SIZE > 0
-@@ -358,10 +350,14 @@ extern void _stdio_term(void);
- extern struct __STDIO_FILE_STRUCT *_stdio_openlist;
-
- #ifdef __UCLIBC_HAS_THREADS__
--extern pthread_mutex_t _stdio_openlist_lock;
--extern int _stdio_openlist_delflag;
-+__UCLIBC_MUTEX_EXTERN(_stdio_openlist_add_lock);
-+#ifdef __STDIO_BUFFERS
-+__UCLIBC_MUTEX_EXTERN(_stdio_openlist_del_lock);
-+extern volatile int _stdio_openlist_use_count; /* _stdio_openlist_del_lock */
-+extern int _stdio_openlist_del_count; /* _stdio_openlist_del_lock */
-+#endif
- extern int _stdio_user_locking;
--extern void __stdio_init_mutex(pthread_mutex_t *m);
-+extern void __stdio_init_mutex(__UCLIBC_MUTEX_TYPE *m);
- #endif
-
- #endif
-diff --git a/libc/sysdeps/linux/common/getdents.c b/libc/sysdeps/linux/common/getdents.c
-index ab6a276..23463e5 100644
---- a/libc/sysdeps/linux/common/getdents.c
-+++ b/libc/sysdeps/linux/common/getdents.c
-@@ -30,8 +30,6 @@
- #include <sys/syscall.h>
-
-
--#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
--
- struct kernel_dirent
- {
- long d_ino;
-diff --git a/libc/sysdeps/linux/common/sigprocmask.c b/libc/sysdeps/linux/common/sigprocmask.c
-index 70ff366..565318d 100644
---- a/libc/sysdeps/linux/common/sigprocmask.c
-+++ b/libc/sysdeps/linux/common/sigprocmask.c
-@@ -23,6 +23,8 @@ int sigprocmask(int how, const sigset_t
- if (set &&
- #if (SIG_BLOCK == 0) && (SIG_UNBLOCK == 1) && (SIG_SETMASK == 2)
- (((unsigned int) how) > 2)
-+#elif (SIG_BLOCK == 1) && (SIG_UNBLOCK == 2) && (SIG_SETMASK == 3)
-+ (((unsigned int)(how-1)) > 2)
- #else
- #warning "compile time assumption violated.. slow path..."
- ((how != SIG_BLOCK) && (how != SIG_UNBLOCK)
-@@ -48,6 +50,8 @@ int sigprocmask(int how, const sigset_t
- if (set &&
- #if (SIG_BLOCK == 0) && (SIG_UNBLOCK == 1) && (SIG_SETMASK == 2)
- (((unsigned int) how) > 2)
-+#elif (SIG_BLOCK == 1) && (SIG_UNBLOCK == 2) && (SIG_SETMASK == 3)
-+ (((unsigned int)(how-1)) > 2)
- #else
- #warning "compile time assumption violated.. slow path..."
- ((how != SIG_BLOCK) && (how != SIG_UNBLOCK)
-diff --git a/libc/sysdeps/linux/mips/bits/kernel_sigaction.h b/libc/sysdeps/linux/mips/bits/kernel_sigaction.h
-index b6f52cc..317e5b3 100644
---- a/libc/sysdeps/linux/mips/bits/kernel_sigaction.h
-+++ b/libc/sysdeps/linux/mips/bits/kernel_sigaction.h
-@@ -38,3 +38,6 @@ struct kernel_sigaction {
- void (*sa_restorer)(void);
- int s_resv[1]; /* reserved */
- };
-+
-+extern int __syscall_rt_sigaction (int, const struct kernel_sigaction *__unbounded,
-+ struct kernel_sigaction *__unbounded, size_t);
-diff --git a/libc/sysdeps/linux/mips/pipe.S b/libc/sysdeps/linux/mips/pipe.S
-index c3afae5..cd88074 100644
---- a/libc/sysdeps/linux/mips/pipe.S
-+++ b/libc/sysdeps/linux/mips/pipe.S
-@@ -7,25 +7,36 @@
- #include <asm/unistd.h>
- #include <asm/regdef.h>
-
-- .globl pipe
-- .ent pipe, 0
-+ .globl pipe
-+ .ent pipe, 0
- pipe:
-- addiu sp,sp,-24
-- sw a0,16(sp)
-- li v0,__NR_pipe
-- syscall
-- beqz a3, 1f
-- la t3, errno
-- sw v0, (t3)
-- li v0, -1
-- b 2f
-+ .frame sp, 24, sp
-+#ifdef __PIC__
-+ .set noreorder
-+ .cpload $25
-+ .set reorder
-+ addiu sp,sp,-24
-+ .cprestore 16
-+#else
-+ addiu sp,sp,-24
-+#endif
-+ sw a0,16(sp)
-+ li v0,__NR_pipe
-+ syscall
-+ beqz a3, 1f
-+#ifdef __PIC__
-+ la t0, __syscall_error
-+ jr t9
-+#else
-+ j __syscall_error
-+#endif
- 1:
-- lw a0, 16(sp)
-- sw v0, 0(a0)
-- sw v1, 4(a0)
-- li v0, 0
-+ lw a0, 16(sp)
-+ sw v0, 0(a0)
-+ sw v1, 4(a0)
-+ li v0, 0
- 2:
-- addiu sp,sp,24
-- j ra
-- .end pipe
-- .size pipe,.-pipe
-+ addiu sp,sp,24
-+ j ra
-+ .end pipe
-+ .size pipe,.-pipe
-diff --git a/libcrypt/des.c b/libcrypt/des.c
-index 3b49a7a..f7a6be1 100644
---- a/libcrypt/des.c
-+++ b/libcrypt/des.c
-@@ -504,7 +504,7 @@ do_des( u_int32_t l_in, u_int32_t r_in,
- kl = kl1;
- kr = kr1;
- round = 16;
-- while (round--) {
-+ do {
- /*
- * Expand R to 48 bits (simulate the E-box).
- */
-@@ -540,7 +540,7 @@ do_des( u_int32_t l_in, u_int32_t r_in,
- f ^= l;
- l = r;
- r = f;
-- }
-+ } while (--round);
- r = l;
- l = f;
- }
-diff --git a/libpthread/linuxthreads/ptfork.c b/libpthread/linuxthreads/ptfork.c
-index eb544f3..cfec2b7 100644
---- a/libpthread/linuxthreads/ptfork.c
-+++ b/libpthread/linuxthreads/ptfork.c
-@@ -26,6 +26,15 @@
- #include "pthread.h"
- #include "internals.h"
-
-+#warning hack alert... should be sufficent for system(), but what about other libc mutexes?
-+#include <bits/uClibc_mutex.h>
-+
-+__UCLIBC_MUTEX_EXTERN(__malloc_lock);
-+
-+#define __MALLOC_LOCK __UCLIBC_MUTEX_LOCK(__malloc_lock)
-+#define __MALLOC_UNLOCK __UCLIBC_MUTEX_UNLOCK(__malloc_lock)
-+#warning hack alert block end
-+
- struct handler_list {
- void (*handler)(void);
- struct handler_list * next;
-@@ -91,9 +100,18 @@ pid_t __fork(void)
- parent = pthread_atfork_parent;
- pthread_mutex_unlock(&pthread_atfork_lock);
- pthread_call_handlers(prepare);
-+
-+#warning hack alert
-+ __MALLOC_LOCK;
-+
- pid = __libc_fork();
-+
-+#warning hack alert
-+ __MALLOC_UNLOCK;
-+
- if (pid == 0) {
- __pthread_reset_main_thread();
-+#warning need to reconsider __fresetlockfiles!
- __fresetlockfiles();
- pthread_call_handlers(child);
- } else {
-diff -urN -x .git uClibc-0.9.28/libc/sysdeps/linux/common/bits/uClibc_mutex.h uClibc-mjn3/libc/sysdeps/linux/common/bits/uClibc_mutex.h
---- uClibc-0.9.28/libc/sysdeps/linux/common/bits/uClibc_mutex.h 1969-12-31 17:00:00.000000000 -0700
-+++ uClibc-mjn3/libc/sysdeps/linux/common/bits/uClibc_mutex.h 2006-03-08 11:21:58.000000000 -0700
-@@ -0,0 +1,87 @@
-+/* Copyright (C) 2006 Manuel Novoa III <mjn3@codepoet.org>
-+ *
-+ * GNU Library General Public License (LGPL) version 2 or later.
-+ *
-+ * Dedicated to Toni. See uClibc/DEDICATION.mjn3 for details.
-+ */
-+
-+#ifndef _UCLIBC_MUTEX_H
-+#define _UCLIBC_MUTEX_H
-+
-+#include <features.h>
-+
-+#ifdef __UCLIBC_HAS_THREADS__
-+
-+#include <pthread.h>
-+
-+#define __UCLIBC_MUTEX_TYPE pthread_mutex_t
-+
-+#define __UCLIBC_MUTEX(M) pthread_mutex_t M
-+#define __UCLIBC_MUTEX_INIT(M,I) pthread_mutex_t M = I
-+#define __UCLIBC_MUTEX_STATIC(M,I) static pthread_mutex_t M = I
-+#define __UCLIBC_MUTEX_EXTERN(M) extern pthread_mutex_t M
-+
-+#define __UCLIBC_MUTEX_LOCK_CANCEL_UNSAFE(M) \
-+ __pthread_mutex_lock(&(M))
-+
-+#define __UCLIBC_MUTEX_UNLOCK_CANCEL_UNSAFE(M) \
-+ __pthread_mutex_unlock(&(M))
-+
-+#define __UCLIBC_MUTEX_TRYLOCK_CANCEL_UNSAFE(M) \
-+ __pthread_mutex_trylock(&(M))
-+
-+#define __UCLIBC_MUTEX_CONDITIONAL_LOCK(M,C) \
-+ do { \
-+ struct _pthread_cleanup_buffer __infunc_pthread_cleanup_buffer; \
-+ if (C) { \
-+ _pthread_cleanup_push_defer(&__infunc_pthread_cleanup_buffer, \
-+ __pthread_mutex_unlock, \
-+ &(M)); \
-+ __pthread_mutex_lock(&(M)); \
-+ } \
-+ ((void)0)
-+
-+#define __UCLIBC_MUTEX_CONDITIONAL_UNLOCK(M,C) \
-+ if (C) { \
-+ _pthread_cleanup_pop_restore(&__infunc_pthread_cleanup_buffer,1);\
-+ } \
-+ } while (0)
-+
-+#define __UCLIBC_MUTEX_AUTO_LOCK_VAR(A) int A
-+
-+#define __UCLIBC_MUTEX_AUTO_LOCK(M,A,V) \
-+ __UCLIBC_MUTEX_CONDITIONAL_LOCK(M,((A=(V)) == 0))
-+
-+#define __UCLIBC_MUTEX_AUTO_UNLOCK(M,A) \
-+ __UCLIBC_MUTEX_CONDITIONAL_UNLOCK(M,(A == 0))
-+
-+#define __UCLIBC_MUTEX_LOCK(M) \
-+ __UCLIBC_MUTEX_CONDITIONAL_LOCK(M, 1)
-+
-+#define __UCLIBC_MUTEX_UNLOCK(M) \
-+ __UCLIBC_MUTEX_CONDITIONAL_UNLOCK(M, 1)
-+
-+#else
-+
-+#define __UCLIBC_MUTEX(M) void *__UCLIBC_MUTEX_DUMMY_ ## M
-+#define __UCLIBC_MUTEX_INIT(M,I) extern void *__UCLIBC_MUTEX_DUMMY_ ## M
-+#define __UCLIBC_MUTEX_STATIC(M) extern void *__UCLIBC_MUTEX_DUMMY_ ## M
-+#define __UCLIBC_MUTEX_EXTERN(M) extern void *__UCLIBC_MUTEX_DUMMY_ ## M
-+
-+#define __UCLIBC_MUTEX_LOCK_CANCEL_UNSAFE(M) ((void)0)
-+#define __UCLIBC_MUTEX_UNLOCK_CANCEL_UNSAFE(M) ((void)0)
-+#define __UCLIBC_MUTEX_TRYLOCK_CANCEL_UNSAFE(M) (0) /* Always succeed? */
-+
-+#define __UCLIBC_MUTEX_CONDITIONAL_LOCK(M,C) ((void)0)
-+#define __UCLIBC_MUTEX_CONDITIONAL_UNLOCK(M,C) ((void)0)
-+
-+#define __UCLIBC_MUTEX_AUTO_LOCK_VAR(A) ((void)0)
-+#define __UCLIBC_MUTEX_AUTO_LOCK(M,A,V) ((void)0)
-+#define __UCLIBC_MUTEX_AUTO_UNLOCK(M,A) ((void)0)
-+
-+#define __UCLIBC_MUTEX_LOCK(M) ((void)0)
-+#define __UCLIBC_MUTEX_UNLOCK(M) ((void)0)
-+
-+#endif
-+
-+#endif /* _UCLIBC_MUTEX_H */
-diff -urN -x .git uClibc-0.9.28/libc/sysdeps/linux/mips/pipe.c uClibc-mjn3/libc/sysdeps/linux/mips/pipe.c
---- uClibc-0.9.28/libc/sysdeps/linux/mips/pipe.c 2005-08-17 16:49:44.000000000 -0600
-+++ uClibc-mjn3/libc/sysdeps/linux/mips/pipe.c 1969-12-31 17:00:00.000000000 -0700
-@@ -1,23 +0,0 @@
--/* pipe system call for Linux/MIPS */
--
--/*see uClibc's sh/pipe.c and glibc-2.2.4's mips/pipe.S */
--
--#include <errno.h>
--#include <unistd.h>
--#include <syscall.h>
--
--int pipe(int *fd)
--{
-- register long int res __asm__ ("$2"); // v0
-- register long int res2 __asm__ ("$3"); // v1
--
-- asm ("move\t$4,%2\n\t" // $4 = a0
-- "syscall" /* Perform the system call. */
-- : "=r" (res)
-- : "0" (__NR_pipe), "r" (fd)
-- : "$4", "$7");
--
-- fd[0] = res;
-- fd[1] = res2;
-- return(0);
--}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-04 15:47:39 +0000