diff options
| author | Chia-I Wu <olvaffe@gmail.com> | 2009-07-14 13:17:25 +0800 |
|---|---|---|
| committer | Brian Paul <brianp@vmware.com> | 2009-08-24 11:46:15 -0600 |
| commit | 3076d1617db67d49ff773096123c1fa47af58272 (patch) | |
| tree | 3f70139561702fef36b04c7d9f9c6b9a0eb74527 | |
| parent | fc2feea685d86c520fb01199caa5a46eae20c7aa (diff) | |
glapi: Static mutex does not work on WIN32_THREADS.
This re-introduces the race in _glapi_check_multithread, but avoids a
crash on windows.
Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
| -rw-r--r-- | src/mesa/glapi/glapi.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/mesa/glapi/glapi.c b/src/mesa/glapi/glapi.c index b9ab9c07be..e36fccb354 100644 --- a/src/mesa/glapi/glapi.c +++ b/src/mesa/glapi/glapi.c @@ -198,7 +198,16 @@ PUBLIC const void *_glapi_Context = NULL; #if defined(THREADS) +#ifdef WIN32_THREADS +/* _glthread_DECLARE_STATIC_MUTEX is broken on windows. There will be race! */ +#define CHECK_MULTITHREAD_LOCK() +#define CHECK_MULTITHREAD_UNLOCK() +#else _glthread_DECLARE_STATIC_MUTEX(ThreadCheckMutex); +#define CHECK_MULTITHREAD_LOCK() _glthread_LOCK_MUTEX(ThreadCheckMutex) +#define CHECK_MULTITHREAD_UNLOCK() _glthread_UNLOCK_MUTEX(ThreadCheckMutex) +#endif + static GLboolean ThreadSafe = GL_FALSE; /**< In thread-safe mode? */ _glthread_TSD _gl_DispatchTSD; /**< Per-thread dispatch pointer */ static _glthread_TSD ContextTSD; /**< Per-thread context pointer */ @@ -238,7 +247,7 @@ _glapi_check_multithread(void) if (ThreadSafe) return; - _glthread_LOCK_MUTEX(ThreadCheckMutex); + CHECK_MULTITHREAD_LOCK(); if (firstCall) { /* initialize TSDs */ (void) _glthread_GetTSD(&ContextTSD); @@ -252,7 +261,7 @@ _glapi_check_multithread(void) _glapi_set_dispatch(NULL); _glapi_set_context(NULL); } - _glthread_UNLOCK_MUTEX(ThreadCheckMutex); + CHECK_MULTITHREAD_UNLOCK(); #endif } |