95 lines
3.0 KiB
C++
95 lines
3.0 KiB
C++
/*
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* Copyright (C) 2010, 2015 Apple Inc. All rights reserved.
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* Portions Copyright (c) 2010 Motorola Mobility, Inc. All rights reserved.
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* Copyright (C) 2017 Sony Interactive Entertainment Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <wtf/Forward.h>
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#include <wtf/FunctionDispatcher.h>
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#include <wtf/Seconds.h>
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#include <wtf/Threading.h>
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#if USE(COCOA_EVENT_LOOP)
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#include <dispatch/dispatch.h>
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#include <wtf/OSObjectPtr.h>
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#else
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#include <wtf/RunLoop.h>
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#endif
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namespace WTF {
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class WorkQueue : public FunctionDispatcher {
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public:
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enum class Type {
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Serial,
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Concurrent
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};
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using QOS = Thread::QOS;
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WTF_EXPORT_PRIVATE static WorkQueue& main();
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WTF_EXPORT_PRIVATE static Ref<WorkQueue> create(const char* name, Type = Type::Serial, QOS = QOS::Default);
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~WorkQueue() override;
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WTF_EXPORT_PRIVATE void dispatch(Function<void()>&&) override;
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WTF_EXPORT_PRIVATE virtual void dispatchAfter(Seconds, Function<void()>&&);
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WTF_EXPORT_PRIVATE virtual void dispatchSync(Function<void()>&&);
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WTF_EXPORT_PRIVATE static void concurrentApply(size_t iterations, WTF::Function<void(size_t index)>&&);
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#if USE(COCOA_EVENT_LOOP)
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dispatch_queue_t dispatchQueue() const { return m_dispatchQueue.get(); }
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#else
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RunLoop& runLoop() const { return *m_runLoop; }
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#endif
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protected:
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WorkQueue(const char* name, Type, QOS);
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private:
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static Ref<WorkQueue> constructMainWorkQueue();
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#if USE(COCOA_EVENT_LOOP)
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explicit WorkQueue(OSObjectPtr<dispatch_queue_t>&&);
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#else
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explicit WorkQueue(RunLoop&);
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#endif
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void platformInitialize(const char* name, Type, QOS);
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void platformInvalidate();
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#if USE(COCOA_EVENT_LOOP)
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static void executeFunction(void*);
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OSObjectPtr<dispatch_queue_t> m_dispatchQueue;
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#else
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RunLoop* m_runLoop;
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#endif
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};
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}
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using WTF::WorkQueue;
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