| // RUN: %clangxx_tsan %s -o %t | |
| // RUN: %run %t 2>&1 | FileCheck %s | |
| // bench.h needs pthread barriers which are not available on OS X | |
| // UNSUPPORTED: darwin | |
| #include "bench.h" | |
| int x; | |
| void thread(int tid) { | |
| if (tid == 0) { | |
| for (int i = 0; i < bench_niter; i++) | |
| __atomic_store_n(&x, 0, __ATOMIC_RELEASE); | |
| } else { | |
| for (int i = 0; i < bench_niter; i++) | |
| __atomic_load_n(&x, __ATOMIC_ACQUIRE); | |
| } | |
| } | |
| void bench() { | |
| start_thread_group(bench_nthread, thread); | |
| } | |
| // CHECK: DONE | |