1*bcaeed49SFangrui Song // RUN: %clangxx_tsan %s -o %t 2*bcaeed49SFangrui Song // RUN: %run %t 2>&1 | FileCheck %s 3*bcaeed49SFangrui Song 4*bcaeed49SFangrui Song // bench.h needs pthread barriers which are not available on OS X 5*bcaeed49SFangrui Song // UNSUPPORTED: darwin 6*bcaeed49SFangrui Song 7*bcaeed49SFangrui Song #include "bench.h" 8*bcaeed49SFangrui Song 9*bcaeed49SFangrui Song pthread_mutex_t *mtx; 10*bcaeed49SFangrui Song const int kStride = 16; 11*bcaeed49SFangrui Song thread(int tid)12*bcaeed49SFangrui Songvoid thread(int tid) { 13*bcaeed49SFangrui Song for (int i = 0; i < bench_niter; i++) { 14*bcaeed49SFangrui Song pthread_mutex_lock(&mtx[tid * kStride]); 15*bcaeed49SFangrui Song pthread_mutex_unlock(&mtx[tid * kStride]); 16*bcaeed49SFangrui Song } 17*bcaeed49SFangrui Song } 18*bcaeed49SFangrui Song bench()19*bcaeed49SFangrui Songvoid bench() { 20*bcaeed49SFangrui Song mtx = (pthread_mutex_t*)malloc(bench_nthread * kStride * sizeof(*mtx)); 21*bcaeed49SFangrui Song for (int i = 0; i < bench_nthread; i++) { 22*bcaeed49SFangrui Song pthread_mutex_init(&mtx[i * kStride], 0); 23*bcaeed49SFangrui Song pthread_mutex_lock(&mtx[i * kStride]); 24*bcaeed49SFangrui Song pthread_mutex_unlock(&mtx[i * kStride]); 25*bcaeed49SFangrui Song } 26*bcaeed49SFangrui Song start_thread_group(bench_nthread, thread); 27*bcaeed49SFangrui Song } 28*bcaeed49SFangrui Song 29*bcaeed49SFangrui Song // CHECK: DONE 30*bcaeed49SFangrui Song 31