| /*- |
| * 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. |
| * |
| * $FreeBSD$ |
| */ |
| |
| #ifndef _BSD_SYS_RTPRIO_H_ |
| #define _BSD_SYS_RTPRIO_H_ |
| |
| #include <sys/bsd_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 _FREEBSD_KERNEL |
| struct thread; |
| int rtp_to_pri(struct rtprio *, struct thread *); |
| void pri_to_rtp(struct thread *, struct rtprio *); |
| #endif |
| #endif |
| |
| #ifndef _FREEBSD_KERNEL |
| #include <sys/bsd_cdefs.h> |
| |
| __BEGIN_DECLS |
| int rtprio(int, pid_t, struct rtprio *); |
| int rtprio_thread(int, lwpid_t, struct rtprio *); |
| __END_DECLS |
| #endif /* !_FREEBSD_KERNEL */ |
| #endif /* !_BSD_SYS_RTPRIO_H_ */ |