51 lines
1.4 KiB
C++
51 lines
1.4 KiB
C++
/*************************************************************************\
|
|
* Copyright (c) 2002 The University of Chicago, as Operator of Argonne
|
|
* National Laboratory.
|
|
* Copyright (c) 2002 The Regents of the University of California, as
|
|
* Operator of Los Alamos National Laboratory.
|
|
* EPICS BASE Versions 3.13.7
|
|
* and higher are distributed subject to a Software License Agreement found
|
|
* in file LICENSE that is included with this distribution.
|
|
\*************************************************************************/
|
|
|
|
#ifndef clientBufMemoryManagerh
|
|
#define clientBufMemoryManagerh
|
|
|
|
#include <limits.h>
|
|
|
|
typedef unsigned bufSizeT;
|
|
static const unsigned bufSizeT_MAX = UINT_MAX;
|
|
|
|
class casBufferFactory {
|
|
public:
|
|
casBufferFactory ();
|
|
~casBufferFactory ();
|
|
unsigned smallBufferSize () const;
|
|
char * newSmallBuffer ();
|
|
void destroySmallBuffer ( char * pBuf );
|
|
unsigned largeBufferSize () const;
|
|
char * newLargeBuffer ();
|
|
void destroyLargeBuffer ( char * pBuf );
|
|
private:
|
|
void * smallBufFreeList;
|
|
void * largeBufFreeList;
|
|
unsigned largeBufferSizePriv;
|
|
};
|
|
|
|
struct casBufferParm {
|
|
char * pBuf;
|
|
bufSizeT bufSize;
|
|
};
|
|
|
|
class clientBufMemoryManager {
|
|
public:
|
|
casBufferParm allocate ( bufSizeT newMinSize );
|
|
void release ( char * pBuf, bufSizeT bufSize );
|
|
bufSizeT maxSize () const;
|
|
private:
|
|
casBufferFactory bufferFactory;
|
|
};
|
|
|
|
#endif // clientBufMemoryManagerh
|
|
|