1/*
2 * Copyright (C) 2017 Yusuke Suzuki <utatane.tea@gmail.com>.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27
28#include <wtf/Threading.h>
29#include <wtf/Vector.h>
30
31namespace TestWebKitAPI {
32
33#if USE(PTHREADS)
34TEST(WTF, ThreadingThreadIdentity)
35{
36 // http://webkit.org/b/32689
37 static Thread* thread1;
38 static Thread* thread2;
39
40 // Imitate 'foreign' threads that are not created by WTF.
41 pthread_t pthread;
42 pthread_create(&pthread, nullptr, [] (void*) -> void* {
43 thread1 = &Thread::current();
44 thread1->ref();
45 return nullptr;
46 }, nullptr);
47 pthread_join(pthread, nullptr);
48
49 pthread_create(&pthread, nullptr, [] (void*) -> void* {
50 thread2 = &Thread::current();
51 thread2->ref();
52 return nullptr;
53 }, nullptr);
54 pthread_join(pthread, nullptr);
55
56 // Now create another thread using WTF. On OSX, it may have the same pthread handle
57 // but should get a different RefPtr<Thread> if the previous RefPtr<Thread> is held.
58 Thread::create("DumpRenderTree: test", [] {
59 EXPECT_TRUE(thread1 != &Thread::current());
60 EXPECT_TRUE(thread2 != &Thread::current());
61 EXPECT_TRUE(thread1 != thread2);
62 thread1->deref();
63 thread2->deref();
64 })->waitForCompletion();
65}
66#endif // USE(PTHREADS)
67
68} // namespace TestWebKitAPI
69