Author: cperciva
Date: Wed Jan 8 02:30:24 2014
New Revision: 260432
URL: http://svnweb.freebsd.org/changeset/base/260432
Log:
MFC r258894: Make rc(8) re-source rc.conf upon receipt of SIGALRM.
The rc system aggressively caches the contents of /etc/rc.conf in order to
improve boot performance; this produces arguably astonishing (non-)results
if /etc/rc.conf is modified during the boot process. This commit provides
a mechanism for explicitly requesting that rc.conf be reloaded.
Modified:
stable/9/etc/rc
Directory Properties:
stable/9/etc/ (props changed)
Modified: stable/9/etc/rc
==============================================================================
--- stable/9/etc/rc Wed Jan 8 02:19:39 2014 (r260431)
+++ stable/9/etc/rc Wed Jan 8 02:30:24 2014 (r260432)
@@ -71,6 +71,11 @@ fi
. /etc/rc.subr
load_rc_config 'XXX'
+# If we receive a SIGALRM, re-source /etc/rc.conf; this allows rc.d
+# scripts to perform "boot-time configuration" including enabling and
+# disabling rc.d scripts which appear later in the boot order.
+trap "_rc_conf_loaded=false; load_rc_config 'XXX'" ALRM
+
skip="-s nostart"
if [ `/sbin/sysctl -n security.jail.jailed` -eq 1 ]; then
skip="$skip -s nojail"
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