diff options
| author |   miod <miod@openbsd.org> | 2009-01-21 22:18:00 +0000 |
|---|---|---|
| committer | miod <miod@openbsd.org> | 2009-01-21 22:18:00 +0000 |
| commit | cbe3564fe3f8ca9c5e3600fe588675960d9215e2 (patch) | |
| tree | 05036d7fc4a5d53900ca2a2b9ef14f99e708a96a /lib/libkvm/kvm.c | |
| parent | Replace timeout_add(msecs * hz / 1000) with timeout_add_msec(msecs). (diff) | |
| download | wireguard-openbsd-cbe3564fe3f8ca9c5e3600fe588675960d9215e2.tar.xz wireguard-openbsd-cbe3564fe3f8ca9c5e3600fe588675960d9215e2.zip | |
All operation on live kernels uses sysctl interface, there is no reason to
access the swap area. Change kvm_open() to no longer require a swap area,
and to not consider failure to open() it as fatal. Post-mortem analysis
would need an image of the swap area at the time of the crash, anyway.
Diffstat (limited to 'lib/libkvm/kvm.c')
| -rw-r--r-- | lib/libkvm/kvm.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/lib/libkvm/kvm.c b/lib/libkvm/kvm.c index 393dd5971db..c8b5fd333b4 100644 --- a/lib/libkvm/kvm.c +++ b/lib/libkvm/kvm.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kvm.c,v 1.45 2006/03/31 03:59:40 deraadt Exp $ */ +/* $OpenBSD: kvm.c,v 1.46 2009/01/21 22:18:00 miod Exp $ */ /* $NetBSD: kvm.c,v 1.43 1996/05/05 04:31:59 gwr Exp $ */ /*- @@ -38,7 +38,7 @@ #if 0 static char sccsid[] = "@(#)kvm.c 8.2 (Berkeley) 2/13/94"; #else -static char *rcsid = "$OpenBSD: kvm.c,v 1.45 2006/03/31 03:59:40 deraadt Exp $"; +static char *rcsid = "$OpenBSD: kvm.c,v 1.46 2009/01/21 22:18:00 miod Exp $"; #endif #endif /* LIBC_SCCS and not lint */ @@ -213,8 +213,6 @@ _kvm_open(kvm_t *kd, const char *uf, const char *mf, const char *sf, } if (mf == 0) mf = _PATH_MEM; - if (sf == 0) - sf = _PATH_DRUM; if ((kd->pmfd = open(mf, flag, 0)) < 0) { _kvm_syserr(kd, kd->program, "%s", mf); @@ -241,7 +239,7 @@ _kvm_open(kvm_t *kd, const char *uf, const char *mf, const char *sf, goto failed; } kd->alive = 1; - if ((kd->swfd = open(sf, flag, 0)) < 0) { + if (sf != NULL && (kd->swfd = open(sf, flag, 0)) < 0) { _kvm_syserr(kd, kd->program, "%s", sf); goto failed; } |