1// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
2extern "C" void AnnotateRWLockAcquired(const char *f, int l, void *m, long rw);
3extern "C" void AnnotateRWLockReleased(const char *f, int l, void *m, long rw);
4
5int 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