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 thread(int tid)11void thread(int tid) { 12 if (tid == 0) { 13 for (int i = 0; i < bench_niter; i++) 14 __atomic_store_n(&x, 0, __ATOMIC_RELEASE); 15 } else { 16 for (int i = 0; i < bench_niter; i++) 17 __atomic_load_n(&x, __ATOMIC_ACQUIRE); 18 } 19 } 20 bench()21void bench() { 22 start_thread_group(bench_nthread, thread); 23 } 24 25 // CHECK: DONE 26 27