[PATCH] add net/atml and class/ppdev to the wait_for_sysfs exception list

[elogind.git] / udev.8.in

diff --git a/udev.8.in b/udev.8.in
index 9c22f8aa633a9e78fb78717a031bfa230427d130..7bdf560970ff46ddd830fb80f3d1ba26da67fb83 100644 (file)
--- a/udev.8.in
+++ b/udev.8.in
@@ -4,29 +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
-.B UDEV_NO_SLEEP
-The default behavior of
-.B udev
-is to wait until all the sysfs files of the device chain are populated. If set,
-.B udev
-will continue, regardless of the state of the device representation.
-.TP
+.P
 .B UDEV_NO_DEVD
 The default behavior of
 .B udev
@@ -41,7 +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
@@ -81,7 +75,7 @@ value is
 .TP
 .B udev_db
 The name and location of the udev database. The default value is
-.IR @udevdir@/.udev.tdb .
+.IR @udevdir@/.udevdb .
 .TP
 .B udev_rules
 The name of the udev rules file or directory to look for files with the suffix
@@ -124,7 +118,7 @@ file. The default value is
 udev_root="/udev"
 
 # udev_db - The name and location of the udev database
-udev_db="/udev/.udev.tdb"
+udev_db="/udev/.udevdb"
 
 # udev_rules - The name of the udev rules file or directory to look
                for files with the suffix .rules
@@ -178,6 +172,12 @@ Match the bus type of the device.
 .B KERNEL
 Match the kernel device name.
 .TP
+.B SUBSYSTEM
+Match the kernel subsystem name.
+.TP
+.B DRIVER
+Match the kernel driver name.
+.TP
 .B ID
 Match the device number on the bus, like PCI bus id.
 .TP
@@ -217,6 +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
+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
@@ -342,17 +349,6 @@ video*:root:video:0660
 dsp1:::0666
 .fi
 .P
-The value
-.I $local
-can be used instead of a specific username.  In that case, udev will determine
-the current local user at the time of device node creation and substitute
-that username as the owner of the new device node.  This is useful, for
-example, to let hot-plugged devices, such as cameras, be owned by the user at
-the current console.  Note that if no user is currently logged in, or if udev
-otherwise fails to determine a current user, the
-.I default_owner
-value is used in lieu.
-.P
 A number of different fields in the above configuration files support a simple
 form of shell style pattern matching. It supports the following pattern characters:
 .TP
@@ -378,9 +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