1/* 2 * Copyright (C) 2013 Samsung Electronics. 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#ifndef DispatchQueueEfl_h 27#define DispatchQueueEfl_h 28 29#include <time.h> 30#include <wtf/Functional.h> 31#include <wtf/RefCounted.h> 32#include <wtf/Vector.h> 33 34class TimerWorkItem; 35class WorkItem; 36 37class DispatchQueue : public ThreadSafeRefCounted<DispatchQueue> { 38public: 39 static PassRefPtr<DispatchQueue> create(const char* name); 40 ~DispatchQueue(); 41 42 void dispatch(std::unique_ptr<WorkItem>); 43 void dispatch(std::unique_ptr<TimerWorkItem>); 44 void stopThread(); 45 void setSocketEventHandler(int, std::function<void ()>); 46 void clearSocketEventHandler(); 47 48private: 49 class ThreadContext; 50 51 DispatchQueue(); 52 53 void performWork(); 54 void performTimerWork(); 55 void performFileDescriptorWork(); 56 void insertTimerWorkItem(std::unique_ptr<TimerWorkItem>); 57 void dispatchQueueThread(); 58 void wakeUpThread(); 59 timeval* getNextTimeOut() const; 60 61 fd_set m_fileDescriptorSet; 62 int m_maxFileDescriptor; 63 int m_readFromPipeDescriptor; 64 int m_writeToPipeDescriptor; 65 Mutex m_writeToPipeDescriptorLock; 66 67 bool m_isThreadRunning; 68 69 int m_socketDescriptor; 70 std::function<void ()> m_socketEventHandler; 71 72 Vector<std::unique_ptr<WorkItem>> m_workItems; 73 Mutex m_workItemsLock; 74 75 Vector<std::unique_ptr<TimerWorkItem>> m_timerWorkItems; 76 mutable Mutex m_timerWorkItemsLock; 77}; 78 79#endif // DispatchQueueEfl_h 80