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LibPthread: Hookup abstime argument to pthread_cond_timedwait

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Now that the futex implementation actually supports timeouts,
we can fix the LibPthread implementation of pthread_cond_timedwait
to support the timeout argument.
This commit is contained in:
Brian Gianforcaro 2020-04-26 02:48:27 -07:00 • committed by Andreas Kling
parent 25a620a573
commit 6116739b38
Notes: sideshowbarker 2024-07-19 07:15:49 +09:00
1 changed files with 10 additions and 7 deletions
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17
Libraries/LibPthread/pthread.cpp
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@ -485,14 +485,20 @@ int pthread_cond_destroy(pthread_cond_t*)
return 0;
}
int pthread_cond_wait(pthread_cond_t* cond, pthread_mutex_t* mutex)
static int cond_wait(pthread_cond_t* cond, pthread_mutex_t* mutex, const struct timespec* abstime)
{
i32 value = cond->value;
cond->previous = value;
pthread_mutex_unlock(mutex);
int rc = futex(&cond->value, FUTEX_WAIT, value, nullptr);
ASSERT(rc == 0);
int rc = futex(&cond->value, FUTEX_WAIT, value, abstime);
pthread_mutex_lock(mutex);
return rc;
}
int pthread_cond_wait(pthread_cond_t* cond, pthread_mutex_t* mutex)
{
int rc = cond_wait(cond, mutex, nullptr);
ASSERT(rc == 0);
return 0;
}
@ -515,10 +521,7 @@ int pthread_condattr_setclock(pthread_condattr_t* attr, clockid_t clock)
int pthread_cond_timedwait(pthread_cond_t* cond, pthread_mutex_t* mutex, const struct timespec* abstime)
{
// FIXME: Implement timeout.
(void)abstime;
pthread_cond_wait(cond, mutex);
return 0;
return cond_wait(cond, mutex, abstime);
}
int pthread_cond_signal(pthread_cond_t* cond)