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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [itron/] [include/] [itronsys/] [fmempool.h] - Blame information for rev 30

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/*
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 *  COPYRIGHT (c) 1989-1999.
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 *  On-Line Applications Research Corporation (OAR).
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 *
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 *  The license and distribution terms for this file may be
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 *  found in the file LICENSE in this distribution or at
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 *  http://www.OARcorp.com/rtems/license.html.
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 *
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 *  $Id: fmempool.h,v 1.2 2001-09-27 11:59:12 chris Exp $
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 */
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#ifndef __ITRON_FIXED_MEMORYPOOL_h_
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#define __ITRON_FIXED_MEMORYPOOL_h_
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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 *  Create Fixed Memory Pool (cre_mpf) Structure
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 */
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    /* cre_mpf */
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typedef struct t_cmpf {
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  VP    exinf;     /* extended information */
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  ATR   mpfatr;    /* memorypool attributes */
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  INT   mpfcnt;    /* block count for entire memorypool */
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  INT   blfsz;     /* fixed-size memory block size */
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  /* additional information may be included depending on the implementation */
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} T_CMPF;
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/*
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 *  mpfatr
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 */
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#define TA_TFIFO   0x00   /* waiting tasks are handled by FIFO */
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#define TA_TPRI    0x01   /* waiting tasks are handled by priority */
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/*
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 *  Reference Fixed Memory Pool (ref_mpf) Structure
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 */
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    /* ref_mpf */
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typedef struct t_rmpf {
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  VP        exinf;    /* extended information */
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  BOOL_ID   wtsk;     /* indicates whether or not there are waiting tasks */
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  INT       frbcnt;   /* free block count */
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  /* additional information may be included depending on the implementation */
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} T_RMPF;
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/*
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 *  Fixed Memory Pool Functions
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 */
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/*
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 *  cre_mpf - Create Fixed-Size Memorypool
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 */
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ER cre_mpf(
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  ID mpfid,
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  T_CMPF *pk_cmpf
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);
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/*
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 *  del_mpf - Delete Fixed-Size Memorypool
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 */
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ER del_mpf(
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  ID mpfid
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);
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/*
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 *  get_blf - Get Fixed-Size Memory Block
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 */
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ER get_blf(
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  VP *p_blf,
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  ID mpfid
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);
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/*
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 *  pget_blf - Poll and Get Fixed-Size Memory Block
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 */
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ER pget_blf(
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  VP *p_blf,
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  ID mpfid
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);
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/*
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 *  tget_blf - Get Fixed-Size Memory Block with Timeout
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 */
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ER tget_blf(
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  VP *p_blf,
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  ID mpfid,
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  TMO tmout
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);
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/*
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 *  rel_blf - Release Fixed-Size Memory Block
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 */
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ER rel_blf(
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  ID mpfid,
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  VP blf
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);
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/*
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 *  ref_mpf - Reference Fixed-Size Memorypool Status
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 */
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ER ref_mpf(
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  T_RMPF *pk_rmpf,
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  ID mpfid
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);
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#ifdef __cplusplus
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}
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#endif
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#endif
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/* end of include file */
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