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Use *NSYNC for POSIX threads locking APIs

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Condition variables, barriers, and r/w locks now work very well.
This commit is contained in:
Justine Tunney 2022-09-11 11:02:07 -07:00
parent 3de35e196c
commit b5cb71ab84
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GPG key ID: BE714B4575D6E328
197 changed files with 3734 additions and 3817 deletions
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9
libc/thread/pthread_cond_wait.c
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@ -16,6 +16,7 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/thread/thread.h"
#include "libc/thread/thread2.h"
/**
@ -23,17 +24,11 @@
*
* pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
* pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
*
* // waiting threads
* // ...
* pthread_mutex_lock(&lock);
* pthread_cond_wait(&cond, &lock);
* pthread_mutex_unlock(&lock);
*
* // notifying thread
* pthread_mutex_lock(&lock);
* pthread_cond_broadcast(&cond);
* pthread_mutex_unlock(&lock);
*
* @param mutex needs to be held by thread when calling this function
* @return 0 on success, or errno on error
* @raise EPERM if `mutex` is `PTHREAD_MUTEX_ERRORCHECK` and the lock