1*7c3d14c8STreehugger Robot // RUN: %clangxx_tsan %s -o %t 2*7c3d14c8STreehugger Robot // RUN: %run %t 2>&1 | FileCheck %s 3*7c3d14c8STreehugger Robot 4*7c3d14c8STreehugger Robot // bench.h needs pthread barriers which are not available on OS X 5*7c3d14c8STreehugger Robot // UNSUPPORTED: darwin 6*7c3d14c8STreehugger Robot 7*7c3d14c8STreehugger Robot #include "bench.h" 8*7c3d14c8STreehugger Robot 9*7c3d14c8STreehugger Robot const int kMutex = 10; 10*7c3d14c8STreehugger Robot pthread_mutex_t mtx[kMutex]; 11*7c3d14c8STreehugger Robot thread(int tid)12*7c3d14c8STreehugger Robotvoid thread(int tid) { 13*7c3d14c8STreehugger Robot for (int i = 0; i < bench_niter; i++) { 14*7c3d14c8STreehugger Robot int idx = (i % kMutex); 15*7c3d14c8STreehugger Robot if (tid == 0) 16*7c3d14c8STreehugger Robot idx = kMutex - idx - 1; 17*7c3d14c8STreehugger Robot pthread_mutex_lock(&mtx[idx]); 18*7c3d14c8STreehugger Robot pthread_mutex_unlock(&mtx[idx]); 19*7c3d14c8STreehugger Robot } 20*7c3d14c8STreehugger Robot } 21*7c3d14c8STreehugger Robot bench()22*7c3d14c8STreehugger Robotvoid bench() { 23*7c3d14c8STreehugger Robot for (int i = 0; i < kMutex; i++) 24*7c3d14c8STreehugger Robot pthread_mutex_init(&mtx[i], 0); 25*7c3d14c8STreehugger Robot start_thread_group(2, thread); 26*7c3d14c8STreehugger Robot } 27*7c3d14c8STreehugger Robot 28*7c3d14c8STreehugger Robot // CHECK: DONE 29*7c3d14c8STreehugger Robot 30