| // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s |
| #include <pthread.h> |
| #include <unistd.h> |
| |
| extern "C" void AnnotateRWLockAcquired(const char *f, int l, void *m, long rw); |
| |
| void *ThreadFunc(void *m) { |
| AnnotateRWLockAcquired(__FILE__, __LINE__, m, 1); |
| return 0; |
| } |
| |
| int main() { |
| int m = 0; |
| AnnotateRWLockAcquired(__FILE__, __LINE__, &m, 1); |
| pthread_t th; |
| pthread_create(&th, 0, ThreadFunc, &m); |
| pthread_join(th, 0); |
| return 0; |
| } |
| |
| // CHECK: WARNING: ThreadSanitizer: double lock of a mutex |
| // CHECK: #0 AnnotateRWLockAcquired |
| // CHECK: #1 ThreadFunc |
| // CHECK: Location is stack of main thread. |
| // CHECK: Mutex {{.*}} created at: |
| // CHECK: #0 AnnotateRWLockAcquired |
| // CHECK: #1 main |
| // CHECK: SUMMARY: ThreadSanitizer: double lock of a mutex {{.*}}mutex_double_lock.cc{{.*}}ThreadFunc |
| |
