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69 lines
2.6 KiB
C++
69 lines
2.6 KiB
C++
/*
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* Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
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* Copyright (C) 2009 Google Inc. All rights reserved.
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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 COMPUTER, INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SKY_ENGINE_PLATFORM_THREADTIMERS_H_
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#define SKY_ENGINE_PLATFORM_THREADTIMERS_H_
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#include "sky/engine/platform/PlatformExport.h"
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#include "sky/engine/wtf/HashSet.h"
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#include "sky/engine/wtf/Noncopyable.h"
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#include "sky/engine/wtf/Vector.h"
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namespace blink {
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class SharedTimer;
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class TimerBase;
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// A collection of timers per thread. Kept in PlatformThreadData.
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class PLATFORM_EXPORT ThreadTimers {
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WTF_MAKE_NONCOPYABLE(ThreadTimers); WTF_MAKE_FAST_ALLOCATED;
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public:
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ThreadTimers();
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// On a thread different then main, we should set the thread's instance of the SharedTimer.
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void setSharedTimer(SharedTimer*);
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Vector<TimerBase*>& timerHeap() { return m_timerHeap; }
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void updateSharedTimer();
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void fireTimersInNestedEventLoop();
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private:
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static void sharedTimerFired();
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void sharedTimerFiredInternal();
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void fireTimersInNestedEventLoopInternal();
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Vector<TimerBase*> m_timerHeap;
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SharedTimer* m_sharedTimer; // External object, can be a run loop on a worker thread. Normally set/reset by worker thread.
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bool m_firingTimers; // Reentrancy guard.
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double m_pendingSharedTimerFireTime;
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};
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}
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#endif // SKY_ENGINE_PLATFORM_THREADTIMERS_H_
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