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Write some lock contention tests

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This commit is contained in:
Justine Tunney 2022-06-16 09:06:09 -07:00
parent 42c38bc3e3
commit c06ffd458c
19 changed files with 205 additions and 76 deletions
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6
libc/intrin/pthread_mutex_unlock.c
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@ -31,14 +31,14 @@
*/
int pthread_mutex_unlock(pthread_mutex_t *mutex) {
int owner;
if (mutex->attr == PTHREAD_MUTEX_ERRORCHECK && mutex->owner != gettid()) {
if (mutex->attr == PTHREAD_MUTEX_ERRORCHECK && mutex->lock != gettid()) {
return EPERM;
}
if (!--mutex->reent) {
atomic_store_explicit(&mutex->owner, 0, memory_order_relaxed);
atomic_store_explicit(&mutex->lock, 0, memory_order_relaxed);
if (IsLinux() &&
atomic_load_explicit(&mutex->waits, memory_order_acquire)) {
LinuxFutexWake(&mutex->owner, 1);
LinuxFutexWake(&mutex->lock, 1);
}
}
return 0;