summaryrefslogtreecommitdiff
path: root/util-linux/Config.in
diff options
context:
space:
mode:
authorRob Landley2006-06-26 14:11:33 +0000
committerRob Landley2006-06-26 14:11:33 +0000
commitef10d52745a72f524e36edc375a6a05d3365ede4 (patch)
treebd1ee024e81262ec2485c4d5f391ef910d85bd38 /util-linux/Config.in
parentcf7577d4171d517690e95e7225979bfde32fce7c (diff)
downloadbusybox-ef10d52745a72f524e36edc375a6a05d3365ede4.zip
busybox-ef10d52745a72f524e36edc375a6a05d3365ede4.tar.gz
Upgrade mdev to allow commands to be run on create/delete.
Both Jason Schoon and Giuseppe Ciotta deserve credit for this, I used elements of both.  It's been upgraded so that you can specify that a given command should run at create, at delete, or at both using different special characters (@, $, and * respectively).  It uses the system() method of running command lines which means you can use environment variables on the command line (it sets $MDEV to the name of the current device being created/deleted, which is useful if you matched it via regex), and the documentation warns that you need a /bin/sh to make that work, so you probably want to pick a default shell.
Diffstat (limited to 'util-linux/Config.in')
-rw-r--r--util-linux/Config.in27
1 files changed, 21 insertions, 6 deletions
diff --git a/util-linux/Config.in b/util-linux/Config.in
index a493fbf..501ed6b 100644
--- a/util-linux/Config.in
+++ b/util-linux/Config.in
@@ -265,16 +265,31 @@ config CONFIG_FEATURE_MDEV_CONF
That's device name (with regex match), uid:gid, and permissions.
- Optionally, that can be followed (on the same line) by an asterisk
- and a command line to run after creating the corresponding device(s),
- ala:
-
- hdc root:cdrom 660 *ln -s hdc cdrom
-
Config file parsing stops on the first matching line. If no config
entry is matched, devices are created with default 0:0 660. (Make
the last line match .* to override this.)
+config CONFIG_FEATURE_MDEV_EXEC
+ bool "Support command execution at device addition/removal"
+ default n
+ depends on CONFIG_FEATURE_MDEV_CONF
+ help
+ This adds support for an optional field to /etc/mdev.conf, consisting
+ of a special character and a command line to run after creating the
+ corresponding device(s) and before removing, ala:
+
+ hdc root:cdrom 660 *ln -s $MDEV cdrom
+
+ The $MDEV environment variable is set to the name of the device.
+
+ The special characters and their meanings are:
+ @ Run after creating the device.
+ $ Run before removing the device.
+ * Run both after creating and before removing the device.
+
+ Commands are executed via system() so you need /bin/sh, meaning you
+ probably want to select a default shell in the Shells menu.
+
config CONFIG_MKSWAP
bool "mkswap"
default n