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