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Add ssem_get - SDL_SemValue equivalent

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This commit is contained in:
twinaphex 2016-04-05 19:08:41 +02:00
parent db24cb1ec5
commit 001aa3ba4a
2 changed files with 17 additions and 0 deletions
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2
libretro-common/include/rthreads/rsemaphore.h
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@ -41,6 +41,8 @@ ssem_t *ssem_new(int value);
void ssem_free(ssem_t *semaphore); void ssem_free(ssem_t *semaphore);
int ssem_get(ssem_t *semaphore);
void ssem_wait(ssem_t *semaphore); void ssem_wait(ssem_t *semaphore);
void ssem_signal(ssem_t *semaphore); void ssem_signal(ssem_t *semaphore);

15
libretro-common/rthreads/rsemaphore.c
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@ -77,6 +77,21 @@ void ssem_free(ssem_t *semaphore)
free((void*)semaphore); free((void*)semaphore);
} }
int ssem_get(ssem_t *semaphore)
{
int val = 0;
if (!semaphore)
return 0;
slock_lock(semaphore->mutex);
val = semaphore->value;
slock_unlock(semaphore->mutex);
return val;
}
void ssem_wait(ssem_t *semaphore) void ssem_wait(ssem_t *semaphore)
{ {
if (!semaphore) if (!semaphore)