bench_single_writer.cc revision 2d1fdb26e458c4ddc04155c1d421bced3ba90cd0 
1// RUN: %clangxx_tsan %s -o %t
2// RUN: %run %t 2>&1 | FileCheck %s
3
4#include "bench.h"
5
6int x;
7
8void thread(int tid) {
9  if (tid == 0) {
10    for (int i = 0; i < bench_niter; i++)
11      __atomic_store_n(&x, 0, __ATOMIC_RELEASE);
12  } else {
13    for (int i = 0; i < bench_niter; i++)
14      __atomic_load_n(&x, __ATOMIC_ACQUIRE);
15  }
16}
17
18void bench() {
19  start_thread_group(bench_nthread, thread);
20}
21
22// CHECK: DONE
23
24