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/*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.OARcorp.com/rtems/license.html.
*
* $Id$
*/
#ifndef __ITRON_EVENTFLAGS_h_
#define __ITRON_EVENTFLAGS_h_
#ifdef __cplusplus
extern "C" {
#endif
/*
* Create Eventflags (cre_flg) Structure
*/
typedef struct t_cflg {
VP exinf; /* extended information */
ATR flgatr; /* eventflag attribute */
UINT iflgptn; /* initial eventflag */
/* additional information may be included depending on the implementation */
} T_CFLG;
/*
* flgatr
*/
#define TA_WSGL 0x00 /* multiple tasks are not allowed to wait (Wait
Single Task) */
#define TA_WMUL 0x08 /* multiple tasks are allowed to wait (Wait
Multiple Task) */
/*
* wfmode
*/
#define TWF_ANDW 0x00 /* AND wait */
#define TWF_ORW 0x02 /* OR wait */
#define TWF_CLR 0x01 /* clear specification */
/*
* Reference Eventflags (ref_flg) Structure
*/
typedef struct t_rflg {
VP exinf; /* extended information */
BOOL_ID wtsk; /* indicates whether or not there is a waiting task */
UINT flgptn; /* eventflag bit pattern */
/* additional information may be included depending on the implementation */
} T_RFLG;
/*
* Eventflag Functions
*/
/*
* cre_flg - Create Eventflag
*/
ER cre_flg(
ID flgid,
T_CFLG *pk_cflg
);
/*
* del_flg - Delete Eventflag
*/
ER del_flg(
ID flgid
);
/*
* set_flg - Set Eventflag
*/
ER set_flg(
ID flgid,
UINT setptn
);
/*
* clr_flg - Clear Eventflag
*/
ER clr_flg(
ID flgid,
UINT clrptn
);
/*
* wai_flg - Wait on Eventflag
*/
ER wai_flg(
UINT *p_flgptn,
ID flgid,
UINT waiptn,
UINT wfmode
);
/*
* pol_flg - Wait for Eventflag(Polling)
*/
ER pol_flg(
UINT *p_flgptn,
ID flgid,
UINT waiptn,
UINT wfmode
);
/*
* twai_flg - Wait on Eventflag with Timeout
*/
ER twai_flg(
UINT *p_flgptn,
ID flgid,
UINT waiptn,
UINT wfmode,
TMO tmout
);
/*
* ref_flg - Reference Eventflag Status
*/
ER ref_flg(
T_RFLG *pk_rflg,
ID flgid
);
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
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