| // RUN: %clangxx_tsan -O1 %s -o %t && not %t 2>&1 | FileCheck %s |
| #include <pthread.h> |
| #include <stdio.h> |
| |
| extern "C" void AnnotateIgnoreSyncBegin(const char*, int); |
| extern "C" void AnnotateIgnoreSyncEnd(const char*, int); |
| |
| 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 |
| |