compiler-rt/test/tsan/custom_mutex0.cpp

   1 // RUN: %clangxx_tsan -O1 --std=c++11 %s -o %t && %run %t 2>&1 | FileCheck %s
   2 #include "custom_mutex.h"
   3
   4 // Test that custom annotations provide normal mutex synchronization
   5 // (no race reports for properly protected critical sections).
   6
   7 Mutex mu(true, 0);
   8 long data;
   9
  10 void *thr(void *arg) {
  11   barrier_wait(&barrier);
  12   mu.Lock();
  13   data++;
  14   mu.Unlock();
  15   return 0;
  16 }
  17
  18 int main() {
  19   barrier_init(&barrier, 2);
  20   pthread_t th;
  21   pthread_create(&th, 0, thr, 0);
  22   barrier_wait(&barrier);
  23   mu.Lock();
  24   data++;
  25   mu.Unlock();
  26   pthread_join(th, 0);
  27   fprintf(stderr, "DONE\n");
  28   return 0;
  29 }
  30
  31 // CHECK: DONE