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Support process shared condition variables

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Justine Tunney 2024-07-22 16:33:23 -07:00
parent 3de6632be6
commit 0a9a6f86bb
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GPG key ID: BE714B4575D6E328
14 changed files with 168 additions and 19 deletions
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2
libc/intrin/pthread_mutex_lock.c
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@ -37,6 +37,7 @@ static errno_t pthread_mutex_lock_impl(pthread_mutex_t *mutex) {
// get current state of lock
word = atomic_load_explicit(&mutex->_word, memory_order_relaxed);
#if PTHREAD_USE_NSYNC
// use fancy nsync mutex if possible
if (MUTEX_TYPE(word) == PTHREAD_MUTEX_NORMAL && //
MUTEX_PSHARED(word) == PTHREAD_PROCESS_PRIVATE && //
@ -44,6 +45,7 @@ static errno_t pthread_mutex_lock_impl(pthread_mutex_t *mutex) {
_weaken(nsync_mu_lock)((nsync_mu *)mutex);
return 0;
}
#endif
// implement barebones normal mutexes
if (MUTEX_TYPE(word) == PTHREAD_MUTEX_NORMAL) {