| // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s |
| #include "test.h" |
| |
| int Global; |
| pthread_mutex_t Mutex = PTHREAD_MUTEX_INITIALIZER; |
| |
| void *Thread(void *x) { |
| AnnotateIgnoreSyncBegin(0, 0); |
| pthread_mutex_lock(&Mutex); |
| Global++; |
| pthread_mutex_unlock(&Mutex); |
| AnnotateIgnoreSyncEnd(0, 0); |
| return 0; |
| } |
| |
| int main() { |
| pthread_t t; |
| pthread_create(&t, 0, Thread, 0); |
| pthread_mutex_lock(&Mutex); |
| Global++; |
| pthread_mutex_unlock(&Mutex); |
| pthread_join(t, 0); |
| } |
| |
| // CHECK: WARNING: ThreadSanitizer: data race |
| |