29 lines · cpp
1// RUN: %clangxx_tsan %s -o %t2// RUN: %run %t 2>&1 | FileCheck %s3 4// bench.h needs pthread barriers which are not available on OS X5// UNSUPPORTED: darwin6 7#include "bench.h"8 9pthread_rwlock_t mtx;10 11void thread(int tid) {12 for (int i = 0; i < bench_niter; i++) {13 pthread_rwlock_rdlock(&mtx);14 pthread_rwlock_unlock(&mtx);15 }16}17 18void bench() {19 pthread_rwlock_init(&mtx, 0);20 pthread_rwlock_wrlock(&mtx);21 pthread_rwlock_unlock(&mtx);22 pthread_rwlock_rdlock(&mtx);23 pthread_rwlock_unlock(&mtx);24 start_thread_group(bench_nthread, thread);25}26 27// CHECK: DONE28 29