diff options
Diffstat (limited to 'src/gallium/auxiliary/os')
| -rw-r--r-- | src/gallium/auxiliary/os/os_thread.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/os/os_thread.h b/src/gallium/auxiliary/os/os_thread.h index 40cfa41cdc..c23ae806b9 100644 --- a/src/gallium/auxiliary/os/os_thread.h +++ b/src/gallium/auxiliary/os/os_thread.h @@ -168,6 +168,35 @@ typedef CRITICAL_SECTION pipe_mutex; #define pipe_mutex_unlock(mutex) \ LeaveCriticalSection(&mutex) +/* TODO: Need a macro to declare "I don't care about WinXP compatibilty" */ +#if 0 && defined (_WIN32_WINNT) && (_WIN32_WINNT >= 0x0600) +/* CONDITION_VARIABLE is only available on newer versions of Windows + * (Server 2008/Vista or later). + * http://msdn.microsoft.com/en-us/library/ms682052(VS.85).aspx + * + * pipe_condvar + */ +typedef CONDITION_VARIABLE pipe_condvar; + +#define pipe_static_condvar(cond) \ + /*static*/ pipe_condvar cond = CONDITION_VARIABLE_INIT + +#define pipe_condvar_init(cond) \ + InitializeConditionVariable(&(cond)) + +#define pipe_condvar_destroy(cond) \ + (void) cond /* nothing to do */ + +#define pipe_condvar_wait(cond, mutex) \ + SleepConditionVariableCS(&(cond), &(mutex), INFINITE) + +#define pipe_condvar_signal(cond) \ + WakeConditionVariable(&(cond)) + +#define pipe_condvar_broadcast(cond) \ + WakeAllConditionVariable(&(cond)) + +#else /* need compatibility with pre-Vista Win32 */ /* pipe_condvar (XXX FIX THIS) * See http://www.cs.wustl.edu/~schmidt/win32-cv-1.html @@ -199,6 +228,7 @@ typedef DWORD pipe_condvar; #define pipe_condvar_broadcast(cond) \ (void) cond +#endif /* pre-Vista win32 */ #else |