compiler-rt/test/tsan/bench_acquire_release.cpp

   1 // RUN: %clangxx_tsan %s -o %t
   2 // RUN: %run %t 2>&1 | FileCheck %s
   3
   4 // bench.h needs pthread barriers which are not available on OS X
   5 // UNSUPPORTED: darwin
   6
   7 #include "bench.h"
   8
   9 int x;
  10
  11 void thread(int tid) {
  12   for (int i = 0; i < bench_niter; i++)
  13     __atomic_fetch_add(&x, 1, __ATOMIC_ACQ_REL);
  14 }
  15
  16 void bench() {
  17   start_thread_group(bench_nthread, thread);
  18 }
  19
  20 // CHECK: DONE
  21