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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [itron/] [include/] [itronsys/] [eventflags.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: eventflags.h,v 1.2 2001-09-27 11:59:12 chris Exp $
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 */
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#ifndef __ITRON_EVENTFLAGS_h_
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#define __ITRON_EVENTFLAGS_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 Eventflags (cre_flg) Structure
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 */
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typedef struct t_cflg {
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  VP     exinf;     /* extended information */
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  ATR    flgatr;    /* eventflag attribute */
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  UINT   iflgptn;   /* initial eventflag */
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  /* additional information may be included depending on the implementation */
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} T_CFLG;
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/*
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 *  flgatr
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 */
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#define TA_WSGL   0x00   /* multiple tasks are not allowed to wait (Wait
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                                Single Task) */
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#define TA_WMUL   0x08   /* multiple tasks are allowed to wait (Wait
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                                Multiple Task) */
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/*
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 *  wfmode
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 */
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#define TWF_ANDW   0x00   /* AND wait */
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#define TWF_ORW    0x02   /* OR wait */
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#define TWF_CLR    0x01   /* clear specification */
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/*
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 *  Reference Eventflags (ref_flg) Structure
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 */
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typedef struct t_rflg {
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  VP        exinf;      /* extended information */
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  BOOL_ID   wtsk;       /* indicates whether or not there is a waiting task */
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  UINT      flgptn;     /* eventflag bit pattern */
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  /* additional information may be included depending on the implementation */
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} T_RFLG;
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/*
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 *  Eventflag Functions
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 */
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/*
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 *  cre_flg - Create Eventflag
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 */
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ER cre_flg(
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  ID flgid,
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  T_CFLG *pk_cflg
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);
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/*
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 *  del_flg - Delete Eventflag
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 */
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ER del_flg(
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  ID flgid
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);
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/*
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 *  set_flg - Set Eventflag
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 */
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ER set_flg(
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  ID flgid,
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  UINT setptn
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);
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/*
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 *  clr_flg - Clear Eventflag
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 */
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ER clr_flg(
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  ID flgid,
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  UINT clrptn
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);
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/*
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 *  wai_flg - Wait on Eventflag
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 */
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ER wai_flg(
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  UINT *p_flgptn,
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  ID flgid,
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  UINT waiptn,
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  UINT wfmode
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);
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/*
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 *  pol_flg - Wait for Eventflag(Polling)
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 */
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ER pol_flg(
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  UINT *p_flgptn,
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  ID flgid,
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  UINT waiptn,
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  UINT wfmode
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);
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/*
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 *  twai_flg - Wait on Eventflag with Timeout
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 */
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ER twai_flg(
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  UINT *p_flgptn,
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  ID flgid,
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  UINT waiptn,
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  UINT wfmode,
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  TMO tmout
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);
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/*
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 *  ref_flg - Reference Eventflag Status
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 */
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ER ref_flg(
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  T_RFLG *pk_rflg,
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  ID flgid
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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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