1/*
2 * Copyright (C) 2010 Apple Inc. All rights reserved.
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#include "WorkQueue.h"
28
29void WorkQueue::dispatch(const Function<void()>& function)
30{
31    Function<void()> functionCopy = function;
32
33    ref();
34    dispatch_async(m_dispatchQueue, ^{
35        functionCopy();
36        deref();
37    });
38}
39
40void WorkQueue::dispatchAfterDelay(const Function<void()>& function, double delay)
41{
42    dispatch_time_t delayTime = dispatch_time(DISPATCH_TIME_NOW, delay * NSEC_PER_SEC);
43
44    Function<void()> functionCopy = function;
45
46    ref();
47    dispatch_after(delayTime, m_dispatchQueue, ^{
48        functionCopy();
49        deref();
50    });
51}
52
53void WorkQueue::platformInitialize(const char* name)
54{
55    m_dispatchQueue = dispatch_queue_create(name, 0);
56    dispatch_set_context(m_dispatchQueue, this);
57}
58
59void WorkQueue::platformInvalidate()
60{
61    dispatch_release(m_dispatchQueue);
62}
63