haiku/headers/os/package/hpkg/BufferPool.h
Ingo Weinhold 0ee1651856 Rename BBlockBufferCache and friends to *Pool*
Also move BBlockBufferPoolNoLock into BHPKG namespace with the other
classes. Not sure why it wasn't there before.
2013-05-25 01:12:25 +02:00

55 lines
1.1 KiB
C++

/*
* Copyright 2009,2011, Haiku, Inc.
* Distributed under the terms of the MIT License.
*/
#ifndef _PACKAGE__HPKG__BUFFER_POOL_H_
#define _PACKAGE__HPKG__BUFFER_POOL_H_
#include <stddef.h>
namespace BPackageKit {
namespace BHPKG {
namespace BPrivate {
class PoolBuffer;
}
using BPrivate::PoolBuffer;
class BBufferPool {
public:
virtual ~BBufferPool();
virtual PoolBuffer* GetBuffer(size_t size,
PoolBuffer** owner = NULL,
bool* _newBuffer = NULL) = 0;
virtual void PutBufferAndCache(PoolBuffer** owner) = 0;
// caller is buffer owner and wants the
// buffer cached, if possible
virtual void PutBuffer(PoolBuffer** owner) = 0;
// puts the buffer for good, owner might
// have called PutBufferAndCache() before
// and might not own a buffer anymore
};
class BBufferPoolLockable {
public:
virtual ~BBufferPoolLockable();
virtual bool Lock() = 0;
virtual void Unlock() = 0;
};
} // namespace BHPKG
} // namespace BPackageKit
#endif // _PACKAGE__HPKG__BUFFER_POOL_H_