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