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Check the return value of cpuset_set(), to prevent future surprises.

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This commit is contained in:
maxv 2019-05-11 11:59:21 +00:00
parent dedb2f3a2d
commit 4a34c4e1c3
1 changed files with 6 additions and 4 deletions
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10
usr.sbin/cpuctl/cpuctl.c
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@ -1,4 +1,4 @@
/* $NetBSD: cpuctl.c,v 1.29 2018/01/16 08:23:18 mrg Exp $ */
/* $NetBSD: cpuctl.c,v 1.30 2019/05/11 11:59:21 maxv Exp $ */
/*-
* Copyright (c) 2007, 2008, 2009, 2012, 2015 The NetBSD Foundation, Inc.
@ -31,7 +31,7 @@
#ifndef lint
#include <sys/cdefs.h>
__RCSID("$NetBSD: cpuctl.c,v 1.29 2018/01/16 08:23:18 mrg Exp $");
__RCSID("$NetBSD: cpuctl.c,v 1.30 2019/05/11 11:59:21 maxv Exp $");
#endif /* not lint */
#include <sys/param.h>
@ -239,7 +239,8 @@ cpu_ucode(char **argv)
if (cpuset == NULL)
err(EXIT_FAILURE, "cpuset_create");
cpuset_zero(cpuset);
cpuset_set(id, cpuset);
if (cpuset_set(id, cpuset) < 0)
err(EXIT_FAILURE, "cpuset_set");
if (_sched_setaffinity(0, 0, cpuset_size(cpuset), cpuset) < 0) {
err(EXIT_FAILURE, "_sched_setaffinity");
}
@ -271,7 +272,8 @@ cpu_identify(char **argv)
if (cpuset == NULL)
err(EXIT_FAILURE, "cpuset_create");
cpuset_zero(cpuset);
cpuset_set(id, cpuset);
if (cpuset_set(id, cpuset) < 0)
err(EXIT_FAILURE, "cpuset_set");
if (_sched_setaffinity(0, 0, cpuset_size(cpuset), cpuset) < 0) {
if (errno == EPERM) {
printf("Cannot bind to target CPU. Output "