sched.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 1993-2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SCHED_H
#define _SCHED_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#include <time.h>
#ifdef __cplusplus
extern "C" {
#endif
struct sched_param {
int sched_priority; /* process execution scheduling priority */
int sched_nicelim; /* nice value limit for SCHED_OTHER policy */
int sched_nice; /* nice value for SCHED_OTHER policy */
int sched_pad[6]; /* pad to the same size as pcparms_t of */
/* sys/priocntl.h */
/* sizeof(sched_priority) + */
/* sizeof(pcparms_t.pc_clparms) */
};
/*
* POSIX scheduling policies
*/
#define SCHED_OTHER 0
#define SCHED_FIFO 1 /* run to completion */
#define SCHED_RR 2 /* round-robin */
#define SCHED_SYS 3 /* sys scheduling class */
#define SCHED_IA 4 /* interactive class */
#define _SCHED_NEXT 5 /* first unassigned policy number */
/*
* function prototypes
*/
#if defined(__STDC__)
int sched_getparam(pid_t, struct sched_param *);
int sched_setparam(pid_t, const struct sched_param *);
int sched_getscheduler(pid_t);
int sched_setscheduler(pid_t, int, const struct sched_param *);
int sched_yield(void);
int sched_get_priority_max(int);
int sched_get_priority_min(int);
int sched_rr_get_interval(pid_t, struct timespec *);
#else
int sched_getparam();
int sched_setparam();
int sched_getscheduler();
int sched_setscheduler();
int sched_yield();
int sched_get_priority_max();
int sched_get_priority_min();
int sched_rr_get_interval();
#endif /* __STDC__ */
#ifdef __cplusplus
}
#endif
#endif /* _SCHED_H */