blob: 539a8be803c60583ce714ecf94b460c9783f62d7 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
// RUN: %clangxx_tsan -O1 --std=c++11 %s -o %t && %run %t 2>&1 | FileCheck %s
#include "custom_mutex.h"
#include <type_traits>
// Test that the destruction events of a mutex are ignored when the
// annotations request this.
//
// Use after destruction is UB, but __tsan_mutex_linker_init and
// __tsan_mutex_not_static exist to support global variables of mutex type,
// which might be accessed during program shutdown after the class's destructor
// has run.
int main() {
std::aligned_storage<sizeof(Mutex), alignof(Mutex)>::type mu1_store;
Mutex* mu1 = reinterpret_cast<Mutex*>(&mu1_store);
new(&mu1_store) Mutex(false, __tsan_mutex_linker_init);
mu1->Lock();
mu1->~Mutex();
mu1->Unlock();
std::aligned_storage<sizeof(Mutex), alignof(Mutex)>::type mu2_store;
Mutex* mu2 = reinterpret_cast<Mutex*>(&mu2_store);
new(&mu2_store) Mutex(false, 0, __tsan_mutex_not_static);
mu2->Lock();
mu2->~Mutex();
mu2->Unlock();
fprintf(stderr, "DONE\n");
return 0;
}
// CHECK: DONE
|
