95d84e4176
* added my own copyright to a couple of files that I changed git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@40321 a95241bf-73f2-0310-859d-f6bbb57e9c96
55 lines
1.1 KiB
C++
55 lines
1.1 KiB
C++
/*
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* Copyright 2009,2011, Haiku, Inc.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _PACKAGE__HPKG__BUFFER_CACHE_H_
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#define _PACKAGE__HPKG__BUFFER_CACHE_H_
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#include <stddef.h>
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namespace BPackageKit {
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namespace BHPKG {
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namespace BPrivate {
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class CachedBuffer;
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}
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using BPrivate::CachedBuffer;
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class BBufferCache {
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public:
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virtual ~BBufferCache();
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virtual CachedBuffer* GetBuffer(size_t size,
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CachedBuffer** owner = NULL,
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bool* _newBuffer = NULL) = 0;
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virtual void PutBufferAndCache(CachedBuffer** owner) = 0;
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// caller is buffer owner and wants the
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// buffer cached, if possible
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virtual void PutBuffer(CachedBuffer** owner) = 0;
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// puts the buffer for good, owner might
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// have called PutBufferAndCache() before
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// and might not own a buffer anymore
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};
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class BBufferCacheLockable {
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public:
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virtual ~BBufferCacheLockable();
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virtual bool Lock() = 0;
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virtual void Unlock() = 0;
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};
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} // namespace BHPKG
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} // namespace BPackageKit
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#endif // _PACKAGE__HPKG__BUFFER_CACHE_H_
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