[PATCH] remove unused timestamp field

[elogind.git] / udev.8.in

diff --git a/udev.8.in b/udev.8.in
index b5296b472d3c3421ebc2562c83830f4f84b0a0fa..7bdf560970ff46ddd830fb80f3d1ba26da67fb83 100644 (file)
--- a/udev.8.in
+++ b/udev.8.in
@@ -4,22 +4,24 @@ udev \- Linux configurable dynamic device naming support
 .SH SYNOPSIS
 .BI udev " hotplug-subsystem"
 .P
 .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
 .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
 .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.
 .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
 .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
 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
 .P
 As part of the
 .B hotplug


@@ -216,6 +217,13 @@ If given with the attribute
 .BR NAME{ all_partitions }
 it will  create all 15 partitions of a blockdevice.
 This may be useful for removable media devices.
 .BR NAME{ all_partitions }
 it will  create all 15 partitions of a blockdevice.
 This may be useful for removable media devices.

+.br
+If given with the attribute
+.BR NAME{ ignore_remove }
+it will will ignore any later remove event for this device.
+This may be useful as a workaround for broken device drivers.
+.sp
+Multiple attributes may be separated by comma.

 .TP
 .B SYMLINK
 The name of a symlink targeting the node. Multiple symlinks may be
 .TP
 .B SYMLINK
 The name of a symlink targeting the node. Multiple symlinks may be


@@ -366,9 +374,12 @@ The name of a program must end with
 suffix, to be recognized.
 .br
 In addition to the hotplug environment variables,
 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
 .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
 directory are sorted in lexical order, while the directories are searched in
 the following order:
 .sp