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58 lines
917 B
58 lines
917 B
/*++
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Copyright (c) 1995-1996 Microsoft Corporation
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Module Name:
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bufpool.h
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Abstract:
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The class defined here manages a pool of fixed-size buffers that are typically used
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for network packets or sound buffers.
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--*/
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#ifndef _BUFPOOL_H_
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#define _BUFPOOL_H_
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#include <pshpack8.h> /* Assume 8 byte packing throughout */
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class BufferPool
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{
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private:
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BOOL m_fInitialized;
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ULONG m_cbSizeBuf;
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UINT m_cBufAlloc;
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UINT m_cBufFree;
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PVOID m_pAlloc;
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PVOID m_pBufFree;
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// intra-process/inter-thread synchronization
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CRITICAL_SECTION m_CritSect;
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private:
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void _Construct ( void );
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void _Destruct ( void );
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public:
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BufferPool ( void );
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~BufferPool ( void );
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HRESULT Initialize ( UINT uBuf, ULONG cbSizeBuf );
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PVOID GetBuffer ( void );
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void ReturnBuffer ( PVOID pBuf );
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ULONG GetMaxBufferSize ( void );
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void Release ( void );
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};
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#include <poppack.h> /* End byte packing */
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#endif // _BUFPOOL_H_
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