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      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  *
      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 AutodrainedPool_h
     30 #define AutodrainedPool_h
     31 
     32 #include <wtf/Noncopyable.h>
     33 
     34 #ifdef __OBJC__
     35 @class NSAutoreleasePool;
     36 #else
     37 class NSAutoreleasePool;
     38 #endif
     39 
     40 namespace WebCore {
     41 
     42 class AutodrainedPool {
     43     WTF_MAKE_NONCOPYABLE(AutodrainedPool);
     44 public:
     45     AutodrainedPool(int iterationLimit = 1);
     46     ~AutodrainedPool();
     47 
     48     void cycle();
     49 
     50 private:
     51 #if PLATFORM(MAC)
     52     int m_iterationLimit;
     53     int m_iterationCount;
     54     NSAutoreleasePool* m_pool;
     55 #endif
     56 };
     57 
     58 #if !PLATFORM(MAC)
     59 inline AutodrainedPool::AutodrainedPool(int) { }
     60 inline AutodrainedPool::~AutodrainedPool() { }
     61 inline void AutodrainedPool::cycle() { }
     62 #endif
     63 
     64 } // namespace WebCore
     65 
     66 #endif
     67 
     68 
     69