mapi: Add mapi and share the code with glapi.

Specifically, move all or most of

      glapi/glapi.c         to mapi/u_current.c,
      glapi/glapi_execmem.c to mapi/u_execmem.c,
      glapi/glthread.[ch]   to mapi/u_thread.[ch]

and remove their dependencies on core Mesa headers.

1 files changed, 200 insertions, 0 deletions

diff --git a/src/mapi/mapi/u_thread.h b/src/mapi/mapi/u_thread.h
new file mode 100644
index 0000000000..992dbaace9
--- /dev/null
+++ b/src/mapi/mapi/u_thread.h
@@ -0,0 +1,200 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  6.5.2
+ *
+ * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/*
+ * Thread support for gl dispatch.
+ *
+ * Initial version by John Stone (j.stone@acm.org) (johns@cs.umr.edu)
+ *                and Christoph Poliwoda (poliwoda@volumegraphics.com)
+ * Revised by Keith Whitwell
+ * Adapted for new gl dispatcher by Brian Paul
+ * Modified for use in mapi by Chia-I Wu
+ */
+
+/*
+ * If this file is accidentally included by a non-threaded build,
+ * it should not cause the build to fail, or otherwise cause problems.
+ * In general, it should only be included when needed however.
+ */
+
+#ifndef _U_THREAD_H_
+#define _U_THREAD_H_
+
+#include "u_compiler.h"
+
+#if defined(PTHREADS) || defined(WIN32_THREADS) || defined(BEOS_THREADS)
+#ifndef THREADS
+#define THREADS
+#endif
+#endif
+
+/*
+ * POSIX threads. This should be your choice in the Unix world
+ * whenever possible.  When building with POSIX threads, be sure
+ * to enable any compiler flags which will cause the MT-safe
+ * libc (if one exists) to be used when linking, as well as any
+ * header macros for MT-safe errno, etc.  For Solaris, this is the -mt
+ * compiler flag.  On Solaris with gcc, use -D_REENTRANT to enable
+ * proper compiling for MT-safe libc etc.
+ */
+#if defined(PTHREADS)
+#include <pthread.h> /* POSIX threads headers */
+
+struct u_tsd {
+   pthread_key_t key;
+   int initMagic;
+};
+
+typedef pthread_mutex_t u_mutex;
+
+#define u_mutex_declare_static(name) \
+   static u_mutex name = PTHREAD_MUTEX_INITIALIZER
+
+#define u_mutex_init(name)    pthread_mutex_init(&(name), NULL)
+#define u_mutex_destroy(name) pthread_mutex_destroy(&(name))
+#define u_mutex_lock(name)    (void) pthread_mutex_lock(&(name))
+#define u_mutex_unlock(name)  (void) pthread_mutex_unlock(&(name))
+
+#endif /* PTHREADS */
+
+
+/*
+ * Windows threads. Should work with Windows NT and 95.
+ * IMPORTANT: Link with multithreaded runtime library when THREADS are
+ * used!
+ */
+#ifdef WIN32_THREADS
+#include <windows.h>
+
+struct u_tsd {
+   DWORD key;
+   int   initMagic;
+};
+
+typedef CRITICAL_SECTION u_mutex;
+
+#define u_mutex_declare_static(name) \
+   /* static */ u_mutex name = { 0, 0, 0, 0, 0, 0 }
+
+#define u_mutex_init(name)    InitializeCriticalSection(&name)
+#define u_mutex_destroy(name) DeleteCriticalSection(&name)
+#define u_mutex_lock(name)    EnterCriticalSection(&name)
+#define u_mutex_unlock(name)  LeaveCriticalSection(&name)
+
+#endif /* WIN32_THREADS */
+
+
+/*
+ * BeOS threads. R5.x required.
+ */
+#ifdef BEOS_THREADS
+
+/* Problem with OS.h and this file on haiku */
+#ifndef __HAIKU__
+#include <kernel/OS.h>
+#endif
+
+#include <support/TLS.h>
+
+/* The only two typedefs required here
+ * this is cause of the OS.h problem
+ */
+#ifdef __HAIKU__
+typedef int32 thread_id;
+typedef int32 sem_id;
+#endif
+
+struct u_tsd {
+   int32        key;
+   int          initMagic;
+};
+
+/* Use Benaphore, aka speeder semaphore */
+typedef struct {
+    int32   lock;
+    sem_id  sem;
+} benaphore;
+typedef benaphore u_mutex;
+
+#define u_mutex_declare_static(name) \
+   static u_mutex name = { 0, 0 }
+
+#define u_mutex_init(name) \
+   name.sem = create_sem(0, #name"_benaphore"), \
+   name.lock = 0
+
+#define u_mutex_destroy(name) \
+   delete_sem(name.sem), \
+   name.lock = 0
+
+#define u_mutex_lock(name) \
+   if (name.sem == 0) \
+      u_mutex_init(name); \
+   if (atomic_add(&(name.lock), 1) >= 1) \
+      acquire_sem(name.sem)
+
+#define u_mutex_unlock(name) \
+   if (atomic_add(&(name.lock), -1) > 1) \
+      release_sem(name.sem)
+
+#endif /* BEOS_THREADS */
+
+
+/*
+ * THREADS not defined
+ */
+#ifndef THREADS
+
+struct u_tsd {
+   int initMagic; 
+};
+
+typedef unsigned u_mutex;
+
+#define u_mutex_declare_static(name)   static u_mutex name = 0
+#define u_mutex_init(name)             (void) name
+#define u_mutex_destroy(name)          (void) name
+#define u_mutex_lock(name)             (void) name
+#define u_mutex_unlock(name)           (void) name
+
+#endif /* THREADS */
+
+
+unsigned long
+u_thread_self(void);
+
+void
+u_tsd_init(struct u_tsd *tsd);
+
+void
+u_tsd_destroy(struct u_tsd *tsd); /* WIN32 only */
+
+void *
+u_tsd_get(struct u_tsd *tsd);
+
+void
+u_tsd_set(struct u_tsd *tsd, void *ptr);
+
+#endif /* _U_THREAD_H_ */