test/tsan/bench_mutex.cc

   1 // RUN: %clangxx_tsan %s -o %t
   2 // RUN: %run %t 2>&1 | FileCheck %s
   3
   4 #include "bench.h"
   5
   6 pthread_mutex_t mtx;
   7 pthread_cond_t cv;
   8 int x;
   9
  10 void thread(int tid) {
  11   for (int i = 0; i < bench_niter; i++) {
  12     pthread_mutex_lock(&mtx);
  13     while (x != i * 2 + tid)
  14       pthread_cond_wait(&cv, &mtx);
  15     x++;
  16     pthread_cond_signal(&cv);
  17     pthread_mutex_unlock(&mtx);
  18   }
  19 }
  20
  21 void bench() {
  22   pthread_mutex_init(&mtx, 0);
  23   pthread_cond_init(&cv, 0);
  24   start_thread_group(2, thread);
  25 }
  26
  27 // CHECK: DONE
  28