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rc.subr(8): Document when required_* variables are processed

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At the moment rc.subr(8) supports the following required_* variables:
required_dirs, required_files, required_modules and required_vars.

This patch documents when every of those required_* variables is actually
processed (before or after running start_precmd).

Reviewed by:	bcr
Approved by:	krion (mentor, implicit), mat (mentor, implicit)
Sponsored by:	Bally Wulff Games & Entertainment GmbH
Differential Revision:	https://reviews.freebsd.org/D17895
This commit is contained in:
Mateusz Piotrowski 2018-11-07 16:56:32 +00:00
parent 5577e44bf4
commit fda4dad508
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=340223
1 changed files with 9 additions and 1 deletions
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10
share/man/man8/rc.subr.8
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@ -29,7 +29,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd June 19, 2018
.Dd November 7, 2018
.Dt RC.SUBR 8
.Os
.Sh NAME
@ -491,16 +491,22 @@ Check for the existence of the listed directories
before running the
.Cm start
method.
The list is checked before running
.Va start_precmd .
.It Va required_files
Check for the readability of the listed files
before running the
.Cm start
method.
The list is checked before running
.Va start_precmd .
.It Va required_modules
Ensure that the listed kernel modules are loaded
before running the
.Cm start
method.
The list is checked after running
.Va start_precmd .
This is done after invoking the commands from
.Va start_precmd
so that the missing modules are not loaded in vain
@ -531,6 +537,8 @@ on each of the list variables
before running the
.Cm start
method.
The list is checked after running
.Va start_precmd .
.It Va ${name}_chdir
Directory to
.Ic cd