1 /* 2 * Copyright (C) 2006 Apple Computer, Inc. All rights reserved. 3 * Copyright (C) 2009 Google Inc. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #ifndef ThreadTimers_h 28 #define ThreadTimers_h 29 30 #include <wtf/Noncopyable.h> 31 #include <wtf/HashSet.h> 32 #include <wtf/Vector.h> 33 34 namespace WebCore { 35 36 class SharedTimer; 37 class TimerBase; 38 39 // A collection of timers per thread. Kept in ThreadGlobalData. 40 class ThreadTimers { 41 WTF_MAKE_NONCOPYABLE(ThreadTimers); WTF_MAKE_FAST_ALLOCATED; 42 public: 43 ThreadTimers(); 44 45 // On a thread different then main, we should set the thread's instance of the SharedTimer. 46 void setSharedTimer(SharedTimer*); 47 48 Vector<TimerBase*>& timerHeap() { return m_timerHeap; } 49 50 void updateSharedTimer(); 51 void fireTimersInNestedEventLoop(); 52 53 private: 54 static void sharedTimerFired(); 55 56 void sharedTimerFiredInternal(); 57 void fireTimersInNestedEventLoopInternal(); 58 59 Vector<TimerBase*> m_timerHeap; 60 SharedTimer* m_sharedTimer; // External object, can be a run loop on a worker thread. Normally set/reset by worker thread. 61 bool m_firingTimers; // Reentrancy guard. 62 }; 63 64 } 65 66 #endif 67
