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Allow user to override pthread mutex and cond

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This commit is contained in:
Justine Tunney 2024-12-23 21:57:52 -08:00
parent 4705705548
commit 55b7aa1632
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GPG key ID: BE714B4575D6E328
54 changed files with 216 additions and 102 deletions
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8
libc/intrin/pthread_mutex_lock.c
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@ -30,6 +30,7 @@
#include "libc/macros.h"
#include "libc/runtime/internal.h"
#include "libc/thread/lock.h"
#include "libc/thread/posixthread.internal.h"
#include "libc/thread/thread.h"
#include "libc/thread/tls.h"
#include "third_party/nsync/mu.h"
@ -300,7 +301,7 @@ static errno_t pthread_mutex_lock_impl(pthread_mutex_t *mutex,
* @see pthread_spin_lock()
* @vforksafe
*/
errno_t pthread_mutex_lock(pthread_mutex_t *mutex) {
errno_t _pthread_mutex_lock(pthread_mutex_t *mutex) {
if (__tls_enabled && !__vforked) {
errno_t err = pthread_mutex_lock_impl(mutex, false);
LOCKTRACE("pthread_mutex_lock(%t) → %s", mutex, DescribeErrno(err));
@ -323,7 +324,7 @@ errno_t pthread_mutex_lock(pthread_mutex_t *mutex) {
* @raise EDEADLK if `mutex` is `PTHREAD_MUTEX_ERRORCHECK` and the
* current thread already holds this mutex
*/
errno_t pthread_mutex_trylock(pthread_mutex_t *mutex) {
errno_t _pthread_mutex_trylock(pthread_mutex_t *mutex) {
if (__tls_enabled && !__vforked) {
errno_t err = pthread_mutex_lock_impl(mutex, true);
LOCKTRACE("pthread_mutex_trylock(%t) → %s", mutex, DescribeErrno(err));
@ -333,3 +334,6 @@ errno_t pthread_mutex_trylock(pthread_mutex_t *mutex) {
return 0;
}
}
__weak_reference(_pthread_mutex_lock, pthread_mutex_lock);
__weak_reference(_pthread_mutex_trylock, pthread_mutex_trylock);