mirror of
https://gitlab.rtems.org/rtems/rtos/rtems.git
synced 2025-12-28 07:20:16 +00:00
129 lines
2.1 KiB
C
129 lines
2.1 KiB
C
/**
|
|
* @file itronsys/fmempool.h
|
|
*/
|
|
|
|
/*
|
|
* 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 _ITRONSYS_FMEMPOOL_H
|
|
#define _ITRONSYS_FMEMPOOL_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 */
|