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Add compile-time and run-time control over automatic niceing

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This commit is contained in:
explorer 1996-07-17 21:54:04 +00:00
parent 471c23385f
commit 67b1de765f
2 changed files with 18 additions and 4 deletions
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6
sys/kern/kern_synch.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: kern_synch.c,v 1.37 1996/04/22 01:38:37 christos Exp $ */
/* $NetBSD: kern_synch.c,v 1.38 1996/07/17 21:54:06 explorer Exp $ */
/*-
* Copyright (c) 1982, 1986, 1990, 1991, 1993
@ -598,8 +598,8 @@ mi_switch()
rlim->rlim_cur += 5;
}
}
if (s > 10 * 60 && p->p_ucred->cr_uid && p->p_nice == NZERO) {
p->p_nice = NZERO + 4;
if (autonicetime && s > autonicetime && p->p_ucred->cr_uid && p->p_nice == NZERO) {
p->p_nice = autoniceval;
resetpriority(p);
}

16
sys/kern/kern_sysctl.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: kern_sysctl.c,v 1.17 1996/05/20 17:49:05 mrg Exp $ */
/* $NetBSD: kern_sysctl.c,v 1.18 1996/07/17 21:54:04 explorer Exp $ */
/*-
* Copyright (c) 1982, 1986, 1989, 1993
@ -195,6 +195,7 @@ kern_sysctl(name, namelen, oldp, oldlenp, newp, newlen, p)
struct proc *p;
{
int error, level, inthostid;
int old_autonicetime;
extern char ostype[], osrelease[], version[];
/* all sysctl names at this level are terminal */
@ -278,6 +279,19 @@ kern_sysctl(name, namelen, oldp, oldlenp, newp, newlen, p)
return (sysctl_rdint(oldp, oldlenp, newp, RAW_PART));
case KERN_NTPTIME:
return (sysctl_ntptime(oldp, oldlenp));
case KERN_AUTONICETIME:
old_autonicetime = autonicetime;
error = sysctl_int(oldp, oldlenp, newp, newlen, &autonicetime);
if (autonicetime < 0)
autonicetime = old_autonicetime;
return (error);
case KERN_AUTONICEVAL:
error = sysctl_int(oldp, oldlenp, newp, newlen, &autoniceval);
if (autoniceval < PRIO_MIN)
autoniceval = PRIO_MIN;
if (autoniceval > PRIO_MAX)
autoniceval = PRIO_MAX;
return (error);
default:
return (EOPNOTSUPP);
}