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D40329.diff
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diff --git a/share/man/man8/rc.8 b/share/man/man8/rc.8
--- a/share/man/man8/rc.8
+++ b/share/man/man8/rc.8
@@ -31,7 +31,7 @@
.\" @(#)rc.8 8.2 (Berkeley) 12/11/93
.\" $FreeBSD$
.\"
-.Dd July 4, 2022
+.Dd June 1, 2023
.Dt RC 8
.Os
.Sh NAME
@@ -124,10 +124,9 @@
.Xr rc.subr 8
shell functions to use.
.It
-Load the configuration files.
+Load the configuration files (see below for reloading).
.It
-Determine if booting in a jail,
-and add
+Determine if booting in a jail, and add
.Dq Li nojail
(no jails allowed) or
.Dq Li nojailvnet
@@ -371,6 +370,17 @@
.Sx EXAMPLES
section).
.Pp
+The configuration files are normally read only once at the start of a boot
+sequence; if a script needs to
+.Cm enable
+or
+.Cm disable
+any other script that would run later in the sequence, it must send a
+.Dv SIGALRM
+to the rc process (identified by
+.Ev $RC_PID )
+to have it re-read the files.
+.Pp
The following key points apply to old-style scripts in
.Pa /usr/local/etc/rc.d/ :
.Bl -bullet
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D40329: rc(8): document how to reload rc's configuration
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