[PATCH] udev - man page update

[Kay Sievers <kay.sievers@vrfy.org>]

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Hey it's not longer the "goal" to provide a dynamic dev directory,
we have just arrived. So I  change it to more self-confident words :)

I've also added the completly missing environment variables to the
man pages.

To stop the misuse of the PROGRAM= call paramenters, we better mention
its limitations.

thanks,
Kay

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===== udev.8 1.41 vs edited =====
--- 1.41/udev.8	Wed Feb 25 00:46:55 2004
+++ edited/udev.8	Wed Feb 25 01:20:09 2004
@@ -3,11 +3,34 @@
 udev \- Linux configurable dynamic device naming support
 .SH SYNOPSIS
 .BI udev " hotplug-subsystem"
+.P
+The environment must provide the following variables:
+.TP
+.B ACTION
+.IR add " or " remove
+signifies the connection or disconnection of a device.
+.TP
+.B DEVPATH
+The sysfs devpath of the device without the mountpoint but a leading slash.
+.P
+Additional optional environment variables are:
+.TP
+.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 will continue, regardless of the state of the device representation.
 .SH "DESCRIPTION"
 .B udev
 creates or removes device node files usually located in the /dev directory.
-Its goal is to provide a dynamic device directory that contains only the files
-for devices that are actually present.
+It provides a dynamic device directory that contains only the files for
+devices that are actually present.
 .P
 As part of the
 .B hotplug
@@ -159,6 +182,11 @@
 .TP
 .B PROGRAM
 Call external program. This key is valid if the program returns successful.
+A few command line options may specified, but shell characters like pipe,
+diversion or similiar options are not available. The environment variables of
+.B udev
+are also available for the program.
+.br
 The string returned by the program may additionally matched with the
 .B RESULT
 key.
@@ -285,6 +313,7 @@
 .LP
 .SH "SEE ALSO"
 .BR udevinfo (8),
+.BR udevd (8),
 .BR hotplug (8)
 .PP
 The
===== udevd.8 1.3 vs edited =====
--- 1.3/udevd.8	Wed Feb 25 00:46:55 2004
+++ edited/udevd.8	Wed Feb 25 00:47:02 2004
@@ -3,6 +3,21 @@
 udevd \- udev event serializer daemon
 .br
 udevsend \- sends the event to udevd
+.SH SYNOPSIS
+.BI udevsend " hotplug-subsystem"
+.sp
+The environment must provide the following variables:
+.TP
+.B ACTION
+.IR add " or " remove
+signifies the connection or disconnection of a device.
+.TP
+.B DEVPATH
+The sysfs devpath of the device without the mountpoint but a leading slash.
+.TP
+.B SEQNUM
+The sequence number of the event provided by the kernel.
+If unset, the event bypasses the queue and will be executed immediately.
 .SH "DESCRIPTION"
 .B udevd
 allows the serialization of
@@ -33,7 +48,9 @@
 .B udevsend
 will start it.
 .SH "SEE ALSO"
-.BR udev (8), " hotplug" (8)
+.BR udev (8),
+.BR udevinfo (8),
+.BR hotplug (8)
 .SH AUTHORS
 .B udevd
 was developed primarily by Kay Sievers <kay.sievers@vrfy.org>, with much help