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  }