1 /* 2 * Copyright (C) 2010 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 * 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 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 14 * its contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef GCActivityCallback_h 30 #define GCActivityCallback_h 31 32 #include <wtf/OwnPtr.h> 33 #include <wtf/PassOwnPtr.h> 34 35 #if USE(CF) 36 #include <CoreFoundation/CoreFoundation.h> 37 #endif 38 39 namespace JSC { 40 41 class Heap; 42 43 class GCActivityCallback { 44 public: 45 virtual ~GCActivityCallback() {} 46 virtual void operator()() {} 47 virtual void synchronize() {} 48 49 protected: 50 GCActivityCallback() {} 51 }; 52 53 struct DefaultGCActivityCallbackPlatformData; 54 55 class DefaultGCActivityCallback : public GCActivityCallback { 56 public: 57 static PassOwnPtr<DefaultGCActivityCallback> create(Heap*); 58 59 DefaultGCActivityCallback(Heap*); 60 ~DefaultGCActivityCallback(); 61 62 void operator()(); 63 void synchronize(); 64 65 #if USE(CF) 66 protected: 67 DefaultGCActivityCallback(Heap*, CFRunLoopRef); 68 void commonConstructor(Heap*, CFRunLoopRef); 69 #endif 70 71 private: 72 OwnPtr<DefaultGCActivityCallbackPlatformData*> d; 73 }; 74 75 inline PassOwnPtr<DefaultGCActivityCallback> DefaultGCActivityCallback::create(Heap* heap) 76 { 77 return adoptPtr(new DefaultGCActivityCallback(heap)); 78 } 79 80 } 81 82 #endif 83