int sem_timedwait(sem_t *restrict sem, const struct timespec *restrict at)
{
+ pthread_testcancel();
+
if (!sem_trywait(sem)) return 0;
int spins = 100;
int r;
a_inc(sem->__val+1);
a_cas(sem->__val, 0, -1);
- r = __timedwait(sem->__val, -1, CLOCK_REALTIME, at, cleanup, sem->__val+1, sem->__val[2]);
- a_dec(sem->__val+1);
+ pthread_cleanup_push(cleanup, (void *)(sem->__val+1));
+ r = __timedwait_cp(sem->__val, -1, CLOCK_REALTIME, at, sem->__val[2]);
+ pthread_cleanup_pop(1);
if (r) {
errno = r;
return -1;