freebsd-dev/sys/sys/rtprio.h
1994-10-02 04:48:21 +00:00

71 lines
2.3 KiB
C

/*
* 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 (name).
* 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.
*
* $Id: rtprio.h,v 1.1 1994/09/01 05:12:53 davidg Exp $
*/
#ifndef _SYS_RTPRIO_H_
#define _SYS_RTPRIO_H_
/*
* Process realtime-priority specifications to rtprio.
*/
/* priority types */
#define RTP_PRIO_REALTIME 0
#define RTP_PRIO_NORMAL 1
#define RTP_PRIO_IDLE 2
/* 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
struct rtprio {
u_short type;
u_short prio;
};
#endif
#ifndef KERNEL
#include <sys/cdefs.h>
__BEGIN_DECLS
int rtprio __P((int, pid_t, struct rtprio *));
__END_DECLS
#endif /* !KERNEL */
#endif /* !_SYS_RTPRIO_H_ */