1 // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s 2 #include <pthread.h> 3 #include <unistd.h> 4 5 extern "C" void AnnotateRWLockAcquired(const char *f, int l, void *m, long rw); 6 7 void *ThreadFunc(void *m) { 8 AnnotateRWLockAcquired(__FILE__, __LINE__, m, 1); 9 return 0; 10 } 11 12 int main() { 13 int m = 0; 14 AnnotateRWLockAcquired(__FILE__, __LINE__, &m, 1); 15 pthread_t th; 16 pthread_create(&th, 0, ThreadFunc, &m); 17 pthread_join(th, 0); 18 return 0; 19 } 20 21 // CHECK: WARNING: ThreadSanitizer: double lock of a mutex 22 // CHECK: #0 AnnotateRWLockAcquired 23 // CHECK: #1 ThreadFunc 24 // CHECK: Location is stack of main thread. 25 // CHECK: Mutex {{.*}} created at: 26 // CHECK: #0 AnnotateRWLockAcquired 27 // CHECK: #1 main 28 // CHECK: SUMMARY: ThreadSanitizer: double lock of a mutex {{.*}}mutex_double_lock.cc{{.*}}ThreadFunc 29 30
