diff options
Diffstat (limited to 'package/qt/qt-4.7.0-pthread_getattr_np.patch')
-rw-r--r-- | package/qt/qt-4.7.0-pthread_getattr_np.patch | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/package/qt/qt-4.7.0-pthread_getattr_np.patch b/package/qt/qt-4.7.0-pthread_getattr_np.patch new file mode 100644 index 000000000..5cbd7d203 --- /dev/null +++ b/package/qt/qt-4.7.0-pthread_getattr_np.patch @@ -0,0 +1,100 @@ +Add pthred_getattr_np / phread_attr_getstrack alternatives for uClibc + +Based on https://dev.openwrt.org/log/packages/Xorg/lib/qt4/patches/100-fix-webkit-for-uclibc.patch?rev=20371 + +Signed-off-by: Johan Sagaert <sagaert.johan@skynet.be> +--- qt-everywhere-opensource-src-4.6.2/src/3rdparty/javascriptcore/JavaScriptCore/runtime/Collector.cpp 2010-02-11 16:55:20.000000000 +0100 ++++ qt-everywhere-opensource-src-4.6.2JS/src/3rdparty/javascriptcore/JavaScriptCore/runtime/Collector.cpp 2010-05-23 10:49:29.000000000 +0200 +@@ -75,6 +75,22 @@ + #endif + #include <unistd.h> + ++#if defined(QT_LINUXBASE) ++#include <dlfcn.h> ++#endif ++ ++#if defined(__UCLIBC__) ++// versions of uClibc 0.9.31 and below do not have ++// pthread_getattr_np or pthread_attr_getstack. ++#if __UCLIBC_MAJOR__ == 0 && \ ++ (__UCLIBC_MINOR__ < 9 || \ ++ (__UCLIBC_MINOR__ == 9 && __UCLIBC_SUBLEVEL__ <= 31)) ++#define UCLIBC_USE_PROC_SELF_MAPS 1 ++#include <stdio_ext.h> ++extern int *__libc_stack_end; ++#endif ++#endif ++ + #if OS(SOLARIS) + #include <thread.h> + #else +@@ -667,18 +683,61 @@ static inline void* currentThreadStackBa + get_thread_info(find_thread(NULL), &threadInfo); + return threadInfo.stack_end; + #elif OS(UNIX) ++#ifdef UCLIBC_USE_PROC_SELF_MAPS ++ // Read /proc/self/maps and locate the line whose address ++ // range contains __libc_stack_end. ++ FILE *file = fopen("/proc/self/maps", "r"); ++ if (!file) ++ return 0; ++ __fsetlocking(file, FSETLOCKING_BYCALLER); ++ char *line = NULL; ++ size_t lineLen = 0; ++ while (!feof_unlocked(file)) { ++ if (getdelim(&line, &lineLen, '\n', file) <= 0) ++ break; ++ ++ long from; ++ long to; ++ if (sscanf (line, "%lx-%lx", &from, &to) != 2) ++ continue; ++ if (from <= (long)__libc_stack_end && (long)__libc_stack_end < to) { ++ fclose(file); ++ free(line); ++#ifdef _STACK_GROWS_UP ++ return (void *)from; ++#else ++ return (void *)to; ++#endif ++ } ++ } ++ fclose(file); ++ free(line); ++ return 0; ++#else + AtomicallyInitializedStatic(Mutex&, mutex = *new Mutex); + MutexLocker locker(mutex); + static void* stackBase = 0; + static size_t stackSize = 0; + static pthread_t stackThread; + pthread_t thread = pthread_self(); + if (stackBase == 0 || thread != stackThread) { ++ ++#if defined(QT_LINUXBASE) ++ // LinuxBase is missing pthread_getattr_np - resolve it once at runtime instead ++ // see http://bugs.linuxbase.org/show_bug.cgi?id=2364 ++ typedef int (*GetAttrPtr)(pthread_t, pthread_attr_t *); ++ static int (*pthread_getattr_np_ptr)(pthread_t, pthread_attr_t *) = 0; ++ if (!pthread_getattr_np_ptr) ++ *(void **)&pthread_getattr_np_ptr = dlsym(RTLD_DEFAULT, "pthread_getattr_np"); ++#endif + pthread_attr_t sattr; + pthread_attr_init(&sattr); + #if HAVE(PTHREAD_NP_H) || OS(NETBSD) + // e.g. on FreeBSD 5.4, neundorf@kde.org + pthread_attr_get_np(thread, &sattr); ++#elif defined(QT_LINUXBASE) ++ if (pthread_getattr_np_ptr) ++ pthread_getattr_np_ptr(thread, &sattr); + #else + // FIXME: this function is non-portable; other POSIX systems may have different np alternatives + pthread_getattr_np(thread, &sattr); +@@ -690,6 +749,7 @@ static inline void* currentThreadStackBa + stackThread = thread; + } + return static_cast<char*>(stackBase) + stackSize; ++#endif + #elif OS(WINCE) + AtomicallyInitializedStatic(Mutex&, mutex = *new Mutex); + MutexLocker locker(mutex); |