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/*
* COPYRIGHT (c) 1989-1999.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* $Id$
*/
#ifndef __ITRON_FIXED_MEMORYPOOL_h_
#define __ITRON_FIXED_MEMORYPOOL_h_
#ifdef __cplusplus
extern "C" {
#endif
/*
* Create Fixed Memory Pool (cre_mpf) Structure
*/
/* cre_mpf */
typedef struct t_cmpf {
VP exinf; /* extended information */
ATR mpfatr; /* memorypool attributes */
INT mpfcnt; /* block count for entire memorypool */
INT blfsz; /* fixed-size memory block size */
/* additional information may be included depending on the implementation */
} T_CMPF;
/*
* mpfatr
*/
#define TA_TFIFO 0x00 /* waiting tasks are handled by FIFO */
#define TA_TPRI 0x01 /* waiting tasks are handled by priority */
/*
* Reference Fixed Memory Pool (ref_mpf) Structure
*/
/* ref_mpf */
typedef struct t_rmpf {
VP exinf; /* extended information */
BOOL_ID wtsk; /* indicates whether or not there are waiting tasks */
INT frbcnt; /* free block count */
/* additional information may be included depending on the implementation */
} T_RMPF;
/*
* Fixed Memory Pool Functions
*/
/*
* cre_mpf - Create Fixed-Size Memorypool
*/
ER cre_mpf(
ID mpfid,
T_CMPF *pk_cmpf
);
/*
* del_mpf - Delete Fixed-Size Memorypool
*/
ER del_mpf(
ID mpfid
);
/*
* get_blf - Get Fixed-Size Memory Block
*/
ER get_blf(
VP *p_blf,
ID mpfid
);
/*
* pget_blf - Poll and Get Fixed-Size Memory Block
*/
ER pget_blf(
VP *p_blf,
ID mpfid
);
/*
* tget_blf - Get Fixed-Size Memory Block with Timeout
*/
ER tget_blf(
VP *p_blf,
ID mpfid,
TMO tmout
);
/*
* rel_blf - Release Fixed-Size Memory Block
*/
ER rel_blf(
ID mpfid,
VP blf
);
/*
* ref_mpf - Reference Fixed-Size Memorypool Status
*/
ER ref_mpf(
T_RMPF *pk_rmpf,
ID mpfid
);
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
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