diff options
Diffstat (limited to 'udev.8.in')
| -rw-r--r-- | udev.8.in | 20 |
1 files changed, 12 insertions, 8 deletions
@@ -4,22 +4,24 @@ udev \- Linux configurable dynamic device naming support .SH SYNOPSIS .BI udev " hotplug-subsystem" .P -The environment must provide the following variables: +The following variables are read from the environment: .TP .B ACTION .IR add " or " remove -signifies the connection or disconnection of a device. -.TP +signifies the addition or the removal of a device. +.P .B DEVPATH The sysfs devpath of the device without the mountpoint but a leading slash. .P -Additional optional environment variables: -.TP +.B SUBSYSTEM +The subsystem the device belongs to. Alternatively the subsystem may +be passed as the first argument. +.P .B UDEV_CONFIG_FILE Overrides the default location of the .B udev config file. -.TP +.P .B UDEV_NO_DEVD The default behavior of .B udev @@ -34,7 +36,6 @@ provides a dynamic device directory containing only the files for actually present devices. It creates or removes device node files usually located in the /dev directory, or it renames network interfaces. .br - .P As part of the .B hotplug @@ -373,9 +374,12 @@ The name of a program must end with suffix, to be recognized. .br In addition to the hotplug environment variables, +.B UDEV_LOG +is set if udev is configured to use the syslog facility. Executed programs may +want to follow that setting. .B DEVNAME is exported to make the name of the created node, or the name the network -device is renamed to, available to the executed program. The programs in every +device is renamed to, available to the executed program. The programs in every directory are sorted in lexical order, while the directories are searched in the following order: .sp |