xref: /titanic_52/usr/src/cmd/priocntl/priocntl.h (revision 7c478bd95313f5f23a4c958a745db2134aa03244)

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
/*	  All Rights Reserved  	*/


/*
 * Copyright 2001-2002 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */


#ifndef	_PRIOCNTL_H
#define	_PRIOCNTL_H

#pragma ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.3	*/

#ifdef	__cplusplus
extern "C" {
#endif

#define	NPIDS	1024	/* number of additional pids allocated by realloc(). */
#define	NIDS	1024	/* max number of id arguments we handle */

#define	BASENMSZ	16
#define	CSOPTSLN	128	/* max length of class specific opts string */
#define	PC_IDTYPNMSZ	12	/* max length of an idtype name */

/*
 * The command string for the sub-command must be big enough for the
 * path, the class specific options, and plenty of space for arguments.
 */
#define	SUBCMDSZ	512

#define	BADPID	(-2)

extern void	fatalerr();
extern int	str2idtyp(char *, idtype_t *);
extern int	idtyp2str(idtype_t, char *);
extern int	idcompar(id_t *, id_t *);
extern id_t	clname2cid(char *);
extern int	getmyid(idtype_t, id_t *);
extern int	getmyidstr(idtype_t, char *);
extern int	verifyupri(idtype_t, id_t, char *, int, pri_t, char *);
extern pid_t	*read_pidlist(size_t *, FILE *);
extern void	free_pidlist(pid_t *);
extern long	str2num(char *, long, long);
extern void	itoa(long, char *);

/*
 * The following is an excerpt from <sys/hrtcntl.h>. HRT timers are not
 * supported by SunOS (which will support the POSIX definition). Priocntl
 * uses the hrt routine _hrtnewres because it coincidentally does the
 * right thing. These defines allow this routine to be locally included
 * in priocntl (rather than exported in libc). This should be improved in
 * the long term.
 */

#define	HRT_TRUNC	0	/* Round results down.	*/
#define	HRT_RND		1	/* Round results (rnd up if fractional	*/
				/*   part >= .5 otherwise round down).	*/
#define	HRT_RNDUP	2	/* Always round results up.	*/

/*
 *	Structure used to represent a high-resolution time-of-day
 *	or interval.
 */

typedef struct hrtimer {
	ulong_t	hrt_secs;	/* Seconds.				*/
	long	hrt_rem;	/* A value less than a second.		*/
	ulong_t	hrt_res;	/* The resolution of hrt_rem.		*/
} hrtimer_t;

extern int	_hrtnewres(hrtimer_t *, ulong_t, long);

#ifdef	__cplusplus
}
#endif

#endif	/* _PRIOCNTL_H */