1 // RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s 2 #include "test.h" 3 4 int Global; 5 int WTFGlobal; 6 Thread(void * x)7void *Thread(void *x) { 8 Global = 42; 9 WTFGlobal = 142; 10 barrier_wait(&barrier); 11 return 0; 12 } 13 main()14int main() { 15 barrier_init(&barrier, 2); 16 ANNOTATE_BENIGN_RACE(Global); 17 WTF_ANNOTATE_BENIGN_RACE(WTFGlobal); 18 pthread_t t; 19 pthread_create(&t, 0, Thread, 0); 20 barrier_wait(&barrier); 21 Global = 43; 22 WTFGlobal = 143; 23 pthread_join(t, 0); 24 fprintf(stderr, "OK\n"); 25 } 26 27 // CHECK-NOT: WARNING: ThreadSanitizer: data race 28