33 lines · cpp
1// RUN: echo "race_top:TopFunction" > %t.supp2// RUN: %clangxx_tsan -O1 %s -o %t3// RUN: %env_tsan_opts=suppressions='%t.supp' %deflake %run %t 2>&1 | FileCheck %s4// RUN: rm %t.supp5#include "test.h"6 7int Global;8 9void AnotherFunction(int *p) {10 *p = 1;11}12 13void TopFunction(int *p) {14 AnotherFunction(p);15}16 17void *Thread(void *x) {18 barrier_wait(&barrier);19 TopFunction(&Global);20 return 0;21}22 23int main() {24 barrier_init(&barrier, 2);25 pthread_t t;26 pthread_create(&t, 0, Thread, 0);27 Global--;28 barrier_wait(&barrier);29 pthread_join(t, 0);30}31 32// CHECK: WARNING: ThreadSanitizer: data race33