nsz Git - musl/blob - src/thread/pthread_cond_timedwait.c

   1 #include "pthread_impl.h"
   2
   3 static void relock(void *m)
   4 {
   5         pthread_mutex_lock(m);
   6 }
   7
   8 int pthread_cond_timedwait(pthread_cond_t *c, pthread_mutex_t *m, const struct timespec *ts)
   9 {
  10         int r, e=0;
  11         CANCELPT_BEGIN;
  12         CANCELPT_END;
  13
  14         pthread_cleanup_push(relock, m);
  15         c->_c_block = 1;
  16         if ((r=pthread_mutex_unlock(m))) return r;
  17
  18         CANCELPT_BEGIN;
  19         e = __timedwait(&c->_c_block, 1, c->_c_clock, ts, 0);
  20         CANCELPT_END;
  21
  22         pthread_cleanup_pop(0);
  23         if ((r=pthread_mutex_lock(m))) return r;
  24
  25         CANCELPT_BEGIN;
  26         CANCELPT_END;
  27         return e;
  28 }