1 // RUN: %clangxx_tsan %s -o %t 2 // RUN: %run %t 2>&1 | FileCheck %s 3 4 #include "bench.h" 5 6 pthread_mutex_t *mtx; 7 const int kStride = 16; 8 9 void thread(int tid) { 10 for (int i = 0; i < bench_niter; i++) { 11 pthread_mutex_lock(&mtx[tid * kStride]); 12 pthread_mutex_unlock(&mtx[tid * kStride]); 13 } 14 } 15 16 void bench() { 17 mtx = (pthread_mutex_t*)malloc(bench_nthread * kStride * sizeof(*mtx)); 18 for (int i = 0; i < bench_nthread; i++) { 19 pthread_mutex_init(&mtx[i * kStride], 0); 20 pthread_mutex_lock(&mtx[i * kStride]); 21 pthread_mutex_unlock(&mtx[i * kStride]); 22 } 23 start_thread_group(bench_nthread, thread); 24 } 25 26 // CHECK: DONE 27 28
