84 lines
3.4 KiB
C
84 lines
3.4 KiB
C
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/* Copyright: <09> Copyright 2005 Apple Computer, Inc. All rights reserved.
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Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc.
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("Apple") in consideration of your agreement to the following terms, and your
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use, installation, modification or redistribution of this Apple software
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constitutes acceptance of these terms. If you do not agree with these terms,
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please do not use, install, modify or redistribute this Apple software.
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In consideration of your agreement to abide by the following terms, and subject
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to these terms, Apple grants you a personal, non-exclusive license, under Apple<EFBFBD>s
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copyrights in this original Apple software (the "Apple Software"), to use,
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reproduce, modify and redistribute the Apple Software, with or without
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modifications, in source and/or binary forms; provided that if you redistribute
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the Apple Software in its entirety and without modifications, you must retain
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this notice and the following text and disclaimers in all such redistributions of
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the Apple Software. Neither the name, trademarks, service marks or logos of
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Apple Computer, Inc. may be used to endorse or promote products derived from the
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Apple Software without specific prior written permission from Apple. Except as
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expressly stated in this notice, no other rights or licenses, express or implied,
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are granted by Apple herein, including but not limited to any patent rights that
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may be infringed by your derivative works or by other works in which the Apple
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Software may be incorporated.
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The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO
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WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
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WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN
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COMBINATION WITH YOUR PRODUCTS.
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IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION
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OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT
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(INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN
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ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*=============================================================================
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CAReferenceCounted.h
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=============================================================================*/
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#ifndef __CAReferenceCounted_h__
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#define __CAReferenceCounted_h__
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#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)
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#include <CoreServices/CoreServices.h>
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#else
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#include <CoreServices.h>
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#endif
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#if TARGET_OS_WIN32
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#include "CAWindows.h"
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#endif
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// base class for reference-counted objects
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class CAReferenceCounted {
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public:
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CAReferenceCounted() : mRefCount(1) {}
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void retain() { IncrementAtomic(&mRefCount); }
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void release()
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{
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// this returns the ORIGINAL value, not the new one.
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SInt32 rc = DecrementAtomic(&mRefCount);
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if (rc == 1) {
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delete this;
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}
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}
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protected:
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virtual ~CAReferenceCounted() { }
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private:
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SInt32 mRefCount;
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CAReferenceCounted(const CAReferenceCounted &a) : mRefCount(0) { }
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CAReferenceCounted operator=(const CAReferenceCounted &a) { return *this; }
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};
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#endif // __CAReferenceCounted_h__
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