1// RUN: %clangxx_tsan -O1 --std=c++11 %s -o %t && %deflake %run %t 2>&1 | FileCheck %s
2#include "custom_mutex.h"
3
4#include <type_traits>
5
6// Test that we detect the destruction of an in-use mutex when the
7// thread annotations don't otherwise disable the check.
8
9int main() {
10 std::aligned_storage<sizeof(Mutex), alignof(Mutex)>::type mu1_store;
11 Mutex* mu1 = reinterpret_cast<Mutex*>(&mu1_store);
12 new(&mu1_store) Mutex(false, 0);
13 mu1->Lock();
14 mu1->~Mutex();
15 mu1->Unlock();
16
17 std::aligned_storage<sizeof(Mutex), alignof(Mutex)>::type mu2_store;
18 Mutex* mu2 = reinterpret_cast<Mutex*>(&mu2_store);
19 new(&mu2_store)
20 Mutex(false, __tsan_mutex_not_static, __tsan_mutex_not_static);
21 mu2->Lock();
22 mu2->~Mutex();
23 mu2->Unlock();
24
25 fprintf(stderr, "DONE\n");
26 return 0;
27}
28
29// CHECK: WARNING: ThreadSanitizer: destroy of a locked mutex
30// CHECK: main {{.*}}custom_mutex5.cpp:14
31// CHECK: WARNING: ThreadSanitizer: destroy of a locked mutex
32// CHECK: main {{.*}}custom_mutex5.cpp:22
33// CHECK: DONE
34