1 // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s 2 extern "C" void AnnotateRWLockAcquired(const char *f, int l, void *m, long rw); 3 extern "C" void AnnotateRWLockReleased(const char *f, int l, void *m, long rw); 4 5 int main() { 6 int m = 0; 7 AnnotateRWLockAcquired(__FILE__, __LINE__, &m, 1); 8 AnnotateRWLockReleased(__FILE__, __LINE__, &m, 0); 9 return 0; 10 } 11 12 // CHECK: WARNING: ThreadSanitizer: read unlock of a write locked mutex 13 // CHECK: #0 AnnotateRWLockReleased 14 // CHECK: #1 main 15 // CHECK: Location is stack of main thread. 16 // CHECK: Mutex {{.*}}) created at: 17 // CHECK: #0 AnnotateRWLockAcquired 18 // CHECK: #1 main 19 // CHECK: SUMMARY: ThreadSanitizer: read unlock of a write locked mutex 20 21
