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150 lines
2.3 KiB
C
150 lines
2.3 KiB
C
/**
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* @file itronsys/eventflags.h
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*/
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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.rtems.com/license/LICENSE.
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*
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* $Id$
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*/
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#ifndef _ITRONSYS_EVENTFLAGS_H
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#define _ITRONSYS_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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