/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (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 2014 Garrett D'Amore <garrett@damore.org>
 *
 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _SCHED_H
#define _SCHED_H

#include <sys/types.h>
#include <time.h>

#ifdef  __cplusplus
extern "C" {
#endif

struct sched_param {
        int     sched_priority; /* scheduling priority */
        int     sched_pad[8];
};

/*
 * POSIX scheduling policies
 */
#define SCHED_OTHER     0       /* traditional time-sharing scheduling class */
#define SCHED_FIFO      1       /* real-time class: run to completion */
#define SCHED_RR        2       /* real-time class: round-robin */
#define SCHED_SYS       3       /* system scheduling class */
#define SCHED_IA        4       /* interactive time-sharing class */
#define SCHED_FSS       5       /* fair-share scheduling class */
#define SCHED_FX        6       /* fixed-priority scheduling class */
#define _SCHED_NEXT     7       /* first unassigned policy number */

/*
 * function prototypes
 */
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 *);

#ifdef  __cplusplus
}
#endif

#endif  /* _SCHED_H */