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/*
* Copyright (C) 2010 Apple Inc. All rights reserved.
* Portions Copyright (c) 2010 Motorola Mobility, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef WorkQueue_h
#define WorkQueue_h
#if OS(DARWIN)
#include <dispatch/dispatch.h>
#endif
#include <chrono>
#include <functional>
#include <wtf/Forward.h>
#include <wtf/Functional.h>
#include <wtf/HashMap.h>
#include <wtf/PassOwnPtr.h>
#include <wtf/RefCounted.h>
#include <wtf/Threading.h>
#include <wtf/Vector.h>
#if PLATFORM(GTK) || PLATFORM(EFL)
#include "PlatformProcessIdentifier.h"
#endif
#if PLATFORM(GTK)
#include <wtf/gobject/GRefPtr.h>
typedef gboolean (*GSourceFunc) (gpointer data);
#elif PLATFORM(EFL)
#include <DispatchQueueEfl.h>
#endif
class WorkQueue : public ThreadSafeRefCounted<WorkQueue> {
public:
static PassRefPtr<WorkQueue> create(const char* name);
~WorkQueue();
void dispatch(std::function<void ()>);
void dispatchAfter(std::chrono::nanoseconds, std::function<void ()>);
#if OS(DARWIN)
dispatch_queue_t dispatchQueue() const { return m_dispatchQueue; }
#elif PLATFORM(GTK)
void registerSocketEventHandler(int, std::function<void ()>, std::function<void ()>);
void unregisterSocketEventHandler(int);
#elif PLATFORM(EFL)
void registerSocketEventHandler(int, std::function<void ()>);
void unregisterSocketEventHandler(int);
#endif
private:
explicit WorkQueue(const char* name);
void platformInitialize(const char* name);
void platformInvalidate();
#if OS(DARWIN)
static void executeFunction(void*);
dispatch_queue_t m_dispatchQueue;
#elif PLATFORM(GTK)
class EventSource;
class SocketEventSource;
static void startWorkQueueThread(WorkQueue*);
void workQueueThreadBody();
void dispatchOnSource(GSource*, std::function<void ()>, GSourceFunc);
ThreadIdentifier m_workQueueThread;
GRefPtr<GMainContext> m_eventContext;
Mutex m_eventLoopLock;
GRefPtr<GMainLoop> m_eventLoop;
Mutex m_eventSourcesLock;
HashMap<int, Vector<SocketEventSource*>> m_eventSources;
#elif PLATFORM(EFL)
RefPtr<DispatchQueue> m_dispatchQueue;
#endif
};
#endif // WorkQueue_h
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