Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Stop runnable but swapped out user processes also in suspendsched().

Browse Source
This commit is contained in:
enami 2000-09-23 01:00:35 +00:00
parent 25ea453471
commit 6cf8248614
1 changed files with 22 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

45
sys/kern/kern_synch.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: kern_synch.c,v 1.96 2000/09/15 06:36:25 enami Exp $ */
/* $NetBSD: kern_synch.c,v 1.97 2000/09/23 01:00:35 enami Exp $ */
/*-
* Copyright (c) 1999, 2000 The NetBSD Foundation, Inc.
@ -1003,36 +1003,35 @@ schedclock(struct proc *p)
void
suspendsched()
{
struct proc *p, *next;
int s, i;
struct proc *p;
int s;
/*
* Convert all non-P_SYSTEM SSLEEP processes to SSTOP. Curproc is
* necesserelly SONPROC.
* Convert all non-P_SYSTEM SSLEEP or SRUN processes to SSTOP.
*/
proclist_lock_read();
SCHED_LOCK(s);
for (p = LIST_FIRST(&allproc); p != NULL; p = LIST_NEXT(p, p_list)) {
if (p->p_stat != SSLEEP || p == curproc ||
(p->p_flag & P_SYSTEM) != 0)
if ((p->p_flag & P_SYSTEM) != 0)
continue;
p->p_stat = SSTOP;
}
proclist_unlock_read();
/* Go through the run queues, remove non-P_SYSTEM processes */
for (i = 0; i < RUNQUE_NQS; i++) {
for (p = sched_qs[i].ph_link;
p != (struct proc *)&sched_qs[i]; p = next) {
next = p->p_forw;
if ((p->p_flag & P_SYSTEM) == 0) {
if (p->p_flag & P_INMEM)
remrunqueue(p);
p->p_stat = SSTOP;
}
switch (p->p_stat) {
case SRUN:
if ((p->p_flag & P_INMEM) != 0)
remrunqueue(p);
/* FALLTHROUGH */
case SSLEEP:
p->p_stat = SSTOP;
break;
case SONPROC:
/*
* XXX SMP: we need to deal with processes on
* others CPU !
*/
break;
default:
break;
}
}
/* XXX SMP: we need to deal with processes on others CPU ! */
SCHED_UNLOCK(s);
proclist_unlock_read();
}