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. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include <wtf/ThreadGroup.h>
28
29#include <wtf/NeverDestroyed.h>
30
31namespace WTF {
32
33ThreadGroup::~ThreadGroup()
34{
35 auto locker = holdLock(m_lock);
36 for (auto& thread : m_threads)
37 thread->removeFromThreadGroup(locker, *this);
38}
39
40ThreadGroupAddResult ThreadGroup::add(const AbstractLocker& locker, Thread& thread)
41{
42 return thread.addToThreadGroup(locker, *this);
43}
44
45ThreadGroupAddResult ThreadGroup::add(Thread& thread)
46{
47 auto locker = holdLock(m_lock);
48 return add(locker, thread);
49}
50
51ThreadGroupAddResult ThreadGroup::addCurrentThread()
52{
53 auto result = add(Thread::current());
54 ASSERT(result != ThreadGroupAddResult::NotAdded);
55 return result;
56}
57
58} // namespace WTF
59