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 pthread_mutex_t mtx; 10 pthread_cond_t cv; 11 int x; 12 13 void 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 24 void bench() { 25 pthread_mutex_init(&mtx, 0); 26 pthread_cond_init(&cv, 0); 27 start_thread_group(2, thread); 28 } 29 30 // CHECK: DONE 31 32
