| // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s | |
| #include "test.h" | |
| int X = 0; | |
| void *Thread(void *p) { | |
| X = 42; | |
| barrier_wait(&barrier); | |
| return 0; | |
| } | |
| int main() { | |
| barrier_init(&barrier, 2); | |
| pthread_t t; | |
| sleep(1); // must not appear in the report | |
| pthread_create(&t, 0, Thread, 0); | |
| barrier_wait(&barrier); | |
| X = 43; | |
| pthread_join(t, 0); | |
| return 0; | |
| } | |
| // CHECK: WARNING: ThreadSanitizer: data race | |
| // CHECK-NOT: As if synchronized via sleep |