[src/netbsd-1-5]: src/sys/kern Pull up rev 1.74:

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

details:   https://anonhg.NetBSD.org/src/rev/9f0959630c96
branches:  netbsd-1-5
changeset: 488628:9f0959630c96
user:      simonb <simonb%NetBSD.org@localhost>
date:      Sat Jul 22 04:38:14 2000 +0000

description:
Pull up rev 1.74:
 Add a KERN_CONSDEV sysctl that returns cn_tab->cn_dev (if cn_tab is not
 NULL).

diffstat:

 sys/kern/kern_sysctl.c |  12 +++++++++++-
 1 files changed, 11 insertions(+), 1 deletions(-)

diffs (40 lines):

diff -r 1bb4ecb54b0f -r 9f0959630c96 sys/kern/kern_sysctl.c
--- a/sys/kern/kern_sysctl.c    Sat Jul 22 04:36:19 2000 +0000
+++ b/sys/kern/kern_sysctl.c    Sat Jul 22 04:38:14 2000 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: kern_sysctl.c,v 1.73.2.1 2000/07/14 18:10:51 thorpej Exp $     */
+/*     $NetBSD: kern_sysctl.c,v 1.73.2.2 2000/07/22 04:38:14 simonb Exp $      */
 
 /*-
  * Copyright (c) 1982, 1986, 1989, 1993
@@ -85,6 +85,8 @@
 #include <sys/shm.h>
 #endif
 
+#include <dev/cons.h>
+
 #if defined(DDB)
 #include <ddb/ddbvar.h>
 #endif
@@ -266,6 +268,7 @@
        int error, level, inthostid;
        int old_autonicetime;
        int old_vnodes;
+       dev_t consdev;
 
        /* All sysctl names at this level, except for a few, are terminal. */
        switch (name[0]) {
@@ -462,6 +465,13 @@
 #endif
        case KERN_MSGBUF:
                return (sysctl_msgbuf(oldp, oldlenp));
+       case KERN_CONSDEV:
+               if (cn_tab != NULL)
+                       consdev = cn_tab->cn_dev;
+               else
+                       consdev = NODEV;
+               return (sysctl_rdstruct(oldp, oldlenp, newp, &consdev,
+                   sizeof consdev));
        default:
                return (EOPNOTSUPP);
        }