1 /* 2 * Copyright (C) 2007 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef GCController_h 27 #define GCController_h 28 29 #include <wtf/Noncopyable.h> 30 #include "Timer.h" 31 32 namespace WebCore { 33 34 class GCController : public Noncopyable { 35 friend GCController& gcController(); 36 37 public: 38 void garbageCollectSoon(); 39 void garbageCollectNow(); // It's better to call garbageCollectSoon, unless you have a specific reason not to. 40 41 void garbageCollectOnAlternateThreadForDebugging(bool waitUntilDone); // Used for stress testing. 42 43 private: 44 GCController(); // Use gcController() instead 45 void gcTimerFired(Timer<GCController>*); 46 47 Timer<GCController> m_GCTimer; 48 }; 49 50 // Function to obtain the global GC controller. 51 GCController& gcController(); 52 53 } // namespace WebCore 54 55 #endif // GCController_h 56