32 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_mutex_t mtx;10pthread_cond_t cv;11int x;12 13void thread(int tid) {14 for (int i = 0; i < bench_niter; i++) {15 pthread_mutex_lock(&mtx);16 while (x != i * 2 + tid)17 pthread_cond_wait(&cv, &mtx);18 x++;19 pthread_cond_signal(&cv);20 pthread_mutex_unlock(&mtx);21 }22}23 24void bench() {25 pthread_mutex_init(&mtx, 0);26 pthread_cond_init(&cv, 0);27 start_thread_group(2, thread);28}29 30// CHECK: DONE31 32