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 int x; 10 11 void thread(int tid) { 12 for (int i = 0; i < bench_niter; i++) 13 __atomic_load_n(&x, __ATOMIC_ACQUIRE); 14 } 15 16 void bench() { 17 __atomic_store_n(&x, 0, __ATOMIC_RELEASE); 18 start_thread_group(bench_nthread, thread); 19 } 20 21 // CHECK: DONE 22 23
