Current File : //usr/include/sched.h

/*
 * Copyright (c) 1993, 2008, Oracle and/or its affiliates. All rights reserved.
 */

#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
 */
#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 */