Date: Tue, 29 Sep 2020 17:52:15 +0000 (UTC) From: =?UTF-8?Q?Fernando_Apestegu=c3=ada?= <fernape@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r366264 - head/sbin/kldconfig Message-ID: <202009291752.08THqFNT076105@repo.freebsd.org>
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Author: fernape (ports committer) Date: Tue Sep 29 17:52:15 2020 New Revision: 366264 URL: https://svnweb.freebsd.org/changeset/base/366264 Log: kldconfig(8): Add EXAMPLES to the man page Add EXAMPLES section to the man page showing the use of all flags except for -S. While here, clarify -f description. It not only suppresses diagnostic messages but it also affects the exit status of the command itself. This is shown in two of the examples. Approved by: bcr@ Differential Revision: https://reviews.freebsd.org/D26588 Modified: head/sbin/kldconfig/kldconfig.8 Modified: head/sbin/kldconfig/kldconfig.8 ============================================================================== --- head/sbin/kldconfig/kldconfig.8 Tue Sep 29 17:22:14 2020 (r366263) +++ head/sbin/kldconfig/kldconfig.8 Tue Sep 29 17:52:15 2020 (r366264) @@ -25,7 +25,7 @@ .\" .\" $FreeBSD$ .\" -.Dd April 27, 2017 +.Dd September 29, 2020 .Dt KLDCONFIG 8 .Os .Sh NAME @@ -54,9 +54,8 @@ The following options are available: .It Fl d Remove the specified paths from the module search path. .It Fl f -Do not display a diagnostic message if a path specified for adding is -already present in the search path, or if a path specified for removing -is not present in the search path. +Do not fail if a path specified for adding is already present in the search +path, or if a path specified for removing is not present in the search path. This may be useful in startup/shutdown scripts for adding a path to a file system which is still not mounted, or in shutdown scripts for unconditionally removing a path that may have been added during startup. @@ -95,6 +94,69 @@ The default module search path used by the kernel. .El .Sh EXIT STATUS .Ex -std +.Sh EXAMPLES +Show the module search path +.Bd -literal -offset indent +$ kldconfig -r +/boot/kernel;/boot/modules;/boot/dtb;/boot/dtb/overlays +.Ed +.Pp +Try to delete the +.Pa /boot +directory from the search path. +The command will fail: +.Bd -literal -offset indent +$ kldconfig -d /boot +kldconfig: not in module search path: /boot +$ echo $? +1 +.Ed +.Pp +Same as above but forcing the operation. +This time the command will succeed: +.Bd -literal -offset indent +$ kldconfig -d -f /boot +$ echo $? +0 +.Ed +.Pp +Add the +.Pa /boot +directory to the beginning of the search path and display extra verbose output: +.Bd -literal -offset indent +$ kldconfig -i -m -vv /boot +/boot/kernel;/boot/modules -> /boot;/boot/kernel;/boot/modules +.Ed +.Pp +Without +.Fl m +the +.Fl i +flag will overwrite the contents of the search path list: +.Bd -literal -offset indent +$ kldconfig -i -vv /boot +/boot;/boot/kernel;/boot/modules;/boot/dtb;/boot/dtb/overlays -> /boot +.Ed +.Pp +Same as above but using +.Fl n +to simulate the operation without actually doing it: +.Bd -literal -offset indent +$ kldconfig -i -n -vv /boot +/boot;/boot/kernel;/boot/modules;/boot/dtb;/boot/dtb/overlays -> /boot +.Ed +.Pp +Add directories to the search path removing duplicates. +Note the need of +.Fl f +to force the operation in case any of the directories is already in the +search path. +The +.Pa /boot/kernel +directory will be added once: +.Bd -literal -offset indent +$ kldconfig -f -U /boot/kernel /boot/kernel /boot/modules /boot/dtb /boot/dtb/overlays +.Ed .Sh SEE ALSO .Xr kldload 2 , .Xr kldload 8 ,
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