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/*-
* Copyright (c) 1994, Henrik Vestergaard Draboel
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Henrik Vestergaard Draboel.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD: release/9.1.0/sys/sys/rtprio.h 165898 2007-01-08 21:21:45Z imp $
*/
#ifndef _SYS_RTPRIO_H_
#define _SYS_RTPRIO_H_
#include <sys/priority.h>
/*
* Process realtime-priority specifications to rtprio.
*/
/* priority types. Start at 1 to catch uninitialized fields. */
#define RTP_PRIO_REALTIME PRI_REALTIME /* real time process */
#define RTP_PRIO_NORMAL PRI_TIMESHARE /* time sharing process */
#define RTP_PRIO_IDLE PRI_IDLE /* idle process */
/* RTP_PRIO_FIFO is POSIX.1B SCHED_FIFO.
*/
#define RTP_PRIO_FIFO_BIT PRI_FIFO_BIT
#define RTP_PRIO_FIFO PRI_FIFO
#define RTP_PRIO_BASE(P) PRI_BASE(P)
#define RTP_PRIO_IS_REALTIME(P) PRI_IS_REALTIME(P)
#define RTP_PRIO_NEED_RR(P) PRI_NEED_RR(P)
/* priority range */
#define RTP_PRIO_MIN 0 /* Highest priority */
#define RTP_PRIO_MAX 31 /* Lowest priority */
/*
* rtprio() syscall functions
*/
#define RTP_LOOKUP 0
#define RTP_SET 1
#ifndef LOCORE
/*
* Scheduling class information.
*/
struct rtprio {
u_short type; /* scheduling class */
u_short prio;
};
#ifdef _KERNEL
struct thread;
int rtp_to_pri(struct rtprio *, struct thread *);
void pri_to_rtp(struct thread *, struct rtprio *);
#endif
#endif
#ifndef _KERNEL
#include <sys/cdefs.h>
__BEGIN_DECLS
int rtprio(int, pid_t, struct rtprio *);
int rtprio_thread(int, lwpid_t, struct rtprio *);
__END_DECLS
#endif /* !_KERNEL */
#endif /* !_SYS_RTPRIO_H_ */