/* * Copyright (C) 2010, 2015 Apple Inc. All rights reserved. * Portions Copyright (c) 2010 Motorola Mobility, Inc. All rights reserved. * Copyright (C) 2017 Sony Interactive Entertainment Inc. * * 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. */ #pragma once #include <wtf/Forward.h> #include <wtf/FunctionDispatcher.h> #include <wtf/Seconds.h> #include <wtf/Threading.h> #if USE(COCOA_EVENT_LOOP) #include <dispatch/dispatch.h> #else #include <wtf/RunLoop.h> #endif namespace WTF { class WorkQueue final : public FunctionDispatcher { public: enum class Type { Serial, Concurrent }; enum class QOS { UserInteractive, UserInitiated, Default, Utility, Background }; WTF_EXPORT_PRIVATE static Ref<WorkQueue> create(const char* name, Type = Type::Serial, QOS = QOS::Default); ~WorkQueue() final; WTF_EXPORT_PRIVATE void dispatch(Function<void()>&&) final; WTF_EXPORT_PRIVATE void dispatchAfter(Seconds, Function<void()>&&); WTF_EXPORT_PRIVATE static void concurrentApply(size_t iterations, WTF::Function<void(size_t index)>&&); #if USE(COCOA_EVENT_LOOP) dispatch_queue_t dispatchQueue() const { return m_dispatchQueue; } #else RunLoop& runLoop() const { return *m_runLoop; } #endif private: explicit WorkQueue(const char* name, Type, QOS); void platformInitialize(const char* name, Type, QOS); void platformInvalidate(); #if USE(COCOA_EVENT_LOOP) static void executeFunction(void*); dispatch_queue_t m_dispatchQueue; #else RunLoop* m_runLoop; #endif }; } using WTF::WorkQueue;