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add handler for /kern/evcnt and print the actual error when failing.

This commit is contained in:
christos 2014-11-09 18:36:02 +00:00
parent be2f51b7f2
commit 66d4eaa769
1 changed files with 7 additions and 4 deletions
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11
sbin/sysctl/sysctl.c
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@ -1,4 +1,4 @@
/* $NetBSD: sysctl.c,v 1.153 2014/05/16 12:22:32 martin Exp $ */
/* $NetBSD: sysctl.c,v 1.154 2014/11/09 18:36:02 christos Exp $ */
/*-
* Copyright (c) 2003 The NetBSD Foundation, Inc.
@ -68,7 +68,7 @@ __COPYRIGHT("@(#) Copyright (c) 1993\
#if 0
static char sccsid[] = "@(#)sysctl.c 8.1 (Berkeley) 6/6/93";
#else
__RCSID("$NetBSD: sysctl.c,v 1.153 2014/05/16 12:22:32 martin Exp $");
__RCSID("$NetBSD: sysctl.c,v 1.154 2014/11/09 18:36:02 christos Exp $");
#endif
#endif /* not lint */
@ -181,6 +181,7 @@ static const struct handlespec {
const void *ps_d;
} handlers[] = {
{ "/kern/clockrate", kern_clockrate, NULL, NULL },
{ "/kern/evcnt", printother, NULL, "vmstat -e" },
{ "/kern/vnode", printother, NULL, "pstat" },
{ "/kern/proc(2|_args)?", printother, NULL, "ps" },
{ "/kern/file2?", printother, NULL, "pstat" },
@ -688,6 +689,8 @@ print_tree(int *name, u_int namelen, struct sysctlnode *pnode, u_int type,
}
if (type != CTLTYPE_NODE && pnode->sysctl_size == 0) {
printf("x=%zu\n", sz);
sz = 0;
rc = prog_sysctl(&name[0], namelen, NULL, &sz, NULL, 0);
if (rc == -1) {
sysctlerror(1);
@ -1701,8 +1704,8 @@ sysctlerror(int soft)
case EOPNOTSUPP:
case EPROTONOSUPPORT:
if (Aflag || req)
sysctlperror("%s: the value is not available\n",
gsname);
sysctlperror("%s: the value is not available "
"(%s)\n", gsname, strerror(errno));
return;
}
}