gcc/testsuite/c-c++-common/tsan/tsan_barrier.h

   1 /* TSAN-invisible barriers.  Link with -ldl.  */
   2 #include <pthread.h>
   3 #include <dlfcn.h>
   4
   5 static __typeof(pthread_barrier_wait) *barrier_wait;
   6
   7 static
   8 void barrier_init (pthread_barrier_t *barrier, unsigned count)
   9 {
  10   void *h = dlopen ("libpthread.so.0", RTLD_LAZY);
  11   barrier_wait = (__typeof (pthread_barrier_wait) *)
  12                  dlsym (h, "pthread_barrier_wait");
  13   pthread_barrier_init (barrier, NULL, count);
  14 }