/* * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This software was developed by the Computer Systems Engineering group * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and * contributed to Berkeley. * * All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Lawrence Berkeley Laboratory. * * 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 the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. * * @(#)locore2.c 8.1 (Berkeley) 6/11/93 * * from: $Header: locore2.c,v 1.8 92/11/26 03:05:01 mccanne Exp $ (LBL) */ /* * Primitives which are in locore.s on other machines, * but which have no reason to be assembly-coded on SPARC. */ #include <sys/param.h> #include <sys/proc.h> #include <sys/resourcevar.h> int whichqs; /* * Put process p on the run queue indicated by its priority. * Calls should be made at splstatclock(), and p->p_stat should be SRUN. */ setrq(p) register struct proc *p; { register struct prochd *q; register struct proc *oldlast; register int which = p->p_pri >> 2; if (p->p_rlink != NULL) panic("setrq"); q = &qs[which]; whichqs |= 1 << which; p->p_link = (struct proc *)q; p->p_rlink = oldlast = q->ph_rlink; q->ph_rlink = p; oldlast->p_link = p; } /* * Remove process p from its run queue, which should be the one * indicated by its priority. Calls should be made at splstatclock(). */ remrq(p) register struct proc *p; { register int which = p->p_pri >> 2; register struct prochd *q; if ((whichqs & (1 << which)) == 0) panic("remrq"); p->p_link->p_rlink = p->p_rlink; p->p_rlink->p_link = p->p_link; p->p_rlink = NULL; q = &qs[which]; if (q->ph_link == (struct proc *)q) whichqs &= ~(1 << which); }