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_POOL_H_
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#define _PACKAGE__HPKG__BUFFER_POOL_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 PoolBuffer;
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}
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using BPrivate::PoolBuffer;
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class BBufferPool {
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public:
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virtual ~BBufferPool();
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virtual PoolBuffer* GetBuffer(size_t size,
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PoolBuffer** owner = NULL,
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bool* _newBuffer = NULL) = 0;
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virtual void PutBufferAndCache(PoolBuffer** 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(PoolBuffer** 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 BBufferPoolLockable {
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public:
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virtual ~BBufferPoolLockable();
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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_POOL_H_
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