diff options
| author | Angelos D. Keromytis <angelos@cvs.openbsd.org> | 2002-06-09 05:16:21 +0000 |
|---|---|---|
| committer | Angelos D. Keromytis <angelos@cvs.openbsd.org> | 2002-06-09 05:16:21 +0000 |
| commit | cc8e8b767951687f89ee94d3a5f12c70a1aa43a6 (patch) | |
| tree | 3ccbf0bbc711e281327459fd4b7562453dd0e3ab /usr.bin/systat/mbufs.c | |
| parent | e0fa06c0b9ddb59edd05effce1d134e67ef5e98d (diff) | |
Use sysctl for mbstat
Diffstat (limited to 'usr.bin/systat/mbufs.c')
| -rw-r--r-- | usr.bin/systat/mbufs.c | 37 |
1 files changed, 25 insertions, 12 deletions
diff --git a/usr.bin/systat/mbufs.c b/usr.bin/systat/mbufs.c index dbdb6c1d272..2f17811b3fc 100644 --- a/usr.bin/systat/mbufs.c +++ b/usr.bin/systat/mbufs.c @@ -1,4 +1,4 @@ -/* $OpenBSD: mbufs.c,v 1.9 2001/12/07 09:18:08 deraadt Exp $ */ +/* $OpenBSD: mbufs.c,v 1.10 2002/06/09 05:16:20 angelos Exp $ */ /* $NetBSD: mbufs.c,v 1.2 1995/01/20 08:52:02 jtc Exp $ */ /*- @@ -38,12 +38,13 @@ #if 0 static char sccsid[] = "@(#)mbufs.c 8.1 (Berkeley) 6/6/93"; #endif -static char rcsid[] = "$OpenBSD: mbufs.c,v 1.9 2001/12/07 09:18:08 deraadt Exp $"; +static char rcsid[] = "$OpenBSD: mbufs.c,v 1.10 2002/06/09 05:16:20 angelos Exp $"; #endif /* not lint */ #include <sys/param.h> #include <sys/types.h> #include <sys/mbuf.h> +#include <sys/sysctl.h> #include <stdlib.h> #include <string.h> @@ -148,14 +149,16 @@ initmbufs() { int ret; - if (namelist[X_MBSTAT].n_type == 0) { - if ((ret = kvm_nlist(kd, namelist)) == -1) - errx(1, "%s", kvm_geterr(kd)); - else if (ret) - nlisterr(namelist); + if (kd != NULL) { if (namelist[X_MBSTAT].n_type == 0) { - error("namelist on %s failed", _PATH_UNIX); - return(0); + if ((ret = kvm_nlist(kd, namelist)) == -1) + errx(1, "%s", kvm_geterr(kd)); + else if (ret) + nlisterr(namelist); + if (namelist[X_MBSTAT].n_type == 0) { + error("namelist on %s failed", _PATH_UNIX); + return(0); + } } } if (mb == 0) @@ -166,7 +169,17 @@ initmbufs() void fetchmbufs() { - if (namelist[X_MBSTAT].n_type == 0) - return; - NREAD(X_MBSTAT, mb, sizeof (*mb)); + int mib[2]; + size_t size = sizeof (*mb); + + if (kd == NULL) { + mib[0] = CTL_KERN; + mib[1] = KERN_MBSTAT; + if (sysctl(mib, 2, mb, &size, NULL, 0) < 0) + err(1, "sysctl(KERN_MBSTAT) failed"); + } else { + if (namelist[X_MBSTAT].n_type == 0) + return; + NREAD(X_MBSTAT, mb, size); + } } |