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 : public Noncopyable {

    43 public:

    44     AutodrainedPool(int iterationLimit = 1);

    45     ~AutodrainedPool();

    46     

    47     void cycle();

    48     

    49 private:

    50 #if PLATFORM(MAC)

    51     int m_iterationLimit;

    52     int m_iterationCount;

    53     NSAutoreleasePool* m_pool;

    54 #endif

    55 };

    56 

    57 #if !PLATFORM(MAC)

    58 inline AutodrainedPool::AutodrainedPool(int) { }

    59 inline AutodrainedPool::~AutodrainedPool() { }

    60 inline void AutodrainedPool::cycle() { }

    61 #endif

    62 

    63 } // namespace WebCore

    64 

    65 #endif

    66 

    67