1 /*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "gtest/gtest.h"
18
19 #include <pthread.h>
20
21 namespace {
22
23 // Test that host pthread_exit runs destructors of local objects.
24 // This should happen at pthread_cleanup (before pthread_specific destructors).
25
26 int g_count = 0;
27
28 struct ScopedCount {
ScopedCount__anon7e976c730111::ScopedCount29 ScopedCount() { ++g_count; }
~ScopedCount__anon7e976c730111::ScopedCount30 ~ScopedCount() { --g_count; }
31 };
32
RunPthreadExit()33 void RunPthreadExit() {
34 ASSERT_EQ(1, g_count);
35 pthread_exit(nullptr);
36 FAIL();
37 }
38
ThreadFunc(void *)39 void* ThreadFunc(void* /* arg */) {
40 ScopedCount c;
41 RunPthreadExit(); // does not return
42 return nullptr;
43 }
44
TEST(GuestThreadTest,PthreadExitRunsLocalDtors)45 TEST(GuestThreadTest, PthreadExitRunsLocalDtors) {
46 ASSERT_EQ(0, g_count);
47 pthread_t thread;
48 ASSERT_EQ(0, pthread_create(&thread, nullptr, ThreadFunc, nullptr));
49 ASSERT_EQ(0, pthread_join(thread, nullptr));
50 // TODO(b/27860783): it turned out that on bionic pthread_exit doesn't run
51 // destructors for local objects. If that gets fixed, change the code
52 // accordingly (see other TODOs for this bug).
53 // ASSERT_EQ(0, g_count);
54 ASSERT_EQ(1, g_count);
55 }
56
57 } // namespace
58