[src/trunk]: src/sys/kern Add support for the kern.mbuf sysctl node.

[thorpej <thorpej%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/4acd2ffbbb65
branches:  trunk
changeset: 472286:4acd2ffbbb65
user:      thorpej <thorpej%NetBSD.org@localhost>
date:      Mon Apr 26 21:56:23 1999 +0000

description:
Add support for the kern.mbuf sysctl node.

diffstat:

 sys/kern/kern_sysctl.c |  20 +++++++++++++++-----
 1 files changed, 15 insertions(+), 5 deletions(-)

diffs (45 lines):

diff -r 2a00480db6d4 -r 4acd2ffbbb65 sys/kern/kern_sysctl.c
--- a/sys/kern/kern_sysctl.c    Mon Apr 26 21:55:53 1999 +0000
+++ b/sys/kern/kern_sysctl.c    Mon Apr 26 21:56:23 1999 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: kern_sysctl.c,v 1.43 1999/03/24 05:51:25 mrg Exp $     */
+/*     $NetBSD: kern_sysctl.c,v 1.44 1999/04/26 21:56:23 thorpej Exp $ */
 
 /*-
  * Copyright (c) 1982, 1986, 1989, 1993
@@ -222,9 +222,17 @@
        int old_shortcorename;
        extern char ostype[], osrelease[], version[];
 
-       /* all sysctl names at this level are terminal */
-       if (namelen != 1 && !(name[0] == KERN_PROC || name[0] == KERN_PROF))
-               return (ENOTDIR);               /* overloaded */
+       /* All sysctl names at this level, except for a few, are terminal. */
+       switch (name[0]) {
+       case KERN_PROC:
+       case KERN_PROF:
+       case KERN_MBUF:
+               /* Not terminal. */
+               break;
+       default:
+               if (namelen != 1)
+                       return (ENOTDIR);       /* overloaded */
+       }
 
        switch (name[0]) {
        case KERN_OSTYPE:
@@ -373,6 +381,9 @@
                return (sysctl_rdint(oldp, oldlenp, newp, 1));
        case KERN_IOV_MAX:
                return (sysctl_rdint(oldp, oldlenp, newp, IOV_MAX));
+       case KERN_MBUF:
+               return (sysctl_dombuf(name + 1, namelen - 1, oldp, oldlenp,
+                   newp, newlen));
        default:
                return (EOPNOTSUPP);
        }
@@ -819,4 +830,3 @@
                ep->e_flag |= EPROC_SLEADER;
        strncpy(ep->e_login, ep->e_sess->s_login, MAXLOGNAME);
 }
-