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Revert "OSX doesn't support unnamed semaphores so to make it work, fake the threading by just creating the threads and waiting for them to finish."

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This reverts commit b81542cea4.

Revert the change bypassing semaphores in OSX in preparation for changing the semaphores to mutexes.
This commit is contained in:
Con Kolivas 2011-02-16 17:40:50 +11:00
parent ea9b00c839
commit 05c5326df3
2 changed files with 45 additions and 77 deletions
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45
stream.c
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@ -45,6 +45,51 @@ struct uncomp_thread{
int stream;
} *ucthread;
void init_sem(sem_t *sem)
{
if (unlikely(sem_init(sem, 0, 0)))
fatal("sem_init\n");
}
static inline void post_sem(sem_t *s)
{
retry:
if (unlikely((sem_post(s)) == -1)) {
if (errno == EINTR)
goto retry;
fatal("sem_post failed");
}
}
static inline void wait_sem(sem_t *s)
{
retry:
if (unlikely((sem_wait(s)) == -1)) {
if (errno == EINTR)
goto retry;
fatal("sem_wait failed");
}
}
static inline void destroy_sem(sem_t *s)
{
if (unlikely(sem_destroy(s)))
fatal("sem_destroy failed\n");
}
void create_pthread(pthread_t * thread, pthread_attr_t * attr,
void * (*start_routine)(void *), void *arg)
{
if (pthread_create(thread, attr, start_routine, arg))
fatal("pthread_create");
}
void join_pthread(pthread_t th, void **thread_return)
{
if (pthread_join(th, thread_return))
fatal("pthread_join");
}
/* just to keep things clean, declare function here
* but move body to the end since it's a work function
*/