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Diffstat (limited to 'src/udevd.xml')
| -rw-r--r-- | src/udevd.xml | 151 |
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diff --git a/src/udevd.xml b/src/udevd.xml new file mode 100644 index 0000000000..c516eb9793 --- /dev/null +++ b/src/udevd.xml @@ -0,0 +1,151 @@ +<?xml version='1.0'?> +<?xml-stylesheet type="text/xsl" href="http://docbook.sourceforge.net/release/xsl/current/xhtml/docbook.xsl"?> +<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" + "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> + +<refentry id="udevd"> + <refentryinfo> + <title>udevd</title> + <productname>udev</productname> + </refentryinfo> + + <refmeta> + <refentrytitle>udevd</refentrytitle> + <manvolnum>8</manvolnum> + <refmiscinfo class="version"></refmiscinfo> + </refmeta> + + <refnamediv> + <refname>udevd</refname><refpurpose>event managing daemon</refpurpose> + </refnamediv> + + <refsynopsisdiv> + <cmdsynopsis> + <command>udevd</command> + <arg><option>--daemon</option></arg> + <arg><option>--debug</option></arg> + <arg><option>--children-max=</option></arg> + <arg><option>--exec-delay=</option></arg> + <arg><option>--resolve-names=early|late|never</option></arg> + <arg><option>--version</option></arg> + <arg><option>--help</option></arg> + </cmdsynopsis> + </refsynopsisdiv> + + <refsect1><title>Description</title> + <para>udevd listens to kernel uevents. For every event, udevd executes matching + instructions specified in udev rules. See <citerefentry> + <refentrytitle>udev</refentrytitle><manvolnum>7</manvolnum> + </citerefentry>.</para> + <para>On startup the content of the directory <filename>/usr/lib/udev/devices</filename> + is copied to <filename>/dev</filename>. If kernel modules specify static device + nodes, these nodes are created even without a corresponding kernel device, to + allow on-demand loading of kernel modules. Matching permissions specified in udev + rules are applied to these static device nodes.</para> + <para>The behavior of the running daemon can be changed with + <command>udevadm control</command>.</para> + </refsect1> + + <refsect1><title>Options</title> + <variablelist> + <varlistentry> + <term><option>--daemon</option></term> + <listitem> + <para>Detach and run in the background.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--debug</option></term> + <listitem> + <para>Print debug messages to stderr.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--children-max=</option></term> + <listitem> + <para>Limit the number of parallel executed events.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--exec-delay=</option></term> + <listitem> + <para>Number of seconds to delay the execution of RUN instructions. + This might be useful when debugging system crashes during coldplug + cause by loading non-working kernel modules.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--resolve-names=</option></term> + <listitem> + <para>Specify when udevd should resolve names of users and groups. + When set to <option>early</option> (the default) names will be + resolved when the rules are parsed. When set to + <option>late</option> names will be resolved for every event. + When set to <option>never</option> names will never be resolved + and all devices will be owned by root.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--version</option></term> + <listitem> + <para>Print version number.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><option>--help</option></term> + <listitem> + <para>Print help text.</para> + </listitem> + </varlistentry> + </variablelist> + </refsect1> + + <refsect1><title>Environment</title> + <variablelist> + <varlistentry> + <term><varname>UDEV_LOG=</varname></term> + <listitem> + <para>Set the logging priority.</para> + </listitem> + </varlistentry> + </variablelist> + </refsect1> + + <refsect1><title>Kernel command line</title> + <variablelist> + <varlistentry> + <term><varname>udev.log-priority=</varname></term> + <listitem> + <para>Set the logging priority.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><varname>udev.children-max=</varname></term> + <listitem> + <para>Limit the number of parallel executed events.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><varname>udev.exec-delay=</varname></term> + <listitem> + <para>Number of seconds to delay the execution of RUN instructions. + This might be useful when debugging system crashes during coldplug + cause by loading non-working kernel modules.</para> + </listitem> + </varlistentry> + </variablelist> + </refsect1> + + <refsect1><title>Author</title> + <para>Written by Kay Sievers <email>kay.sievers@vrfy.org</email>.</para> + </refsect1> + + <refsect1> + <title>See Also</title> + <para><citerefentry> + <refentrytitle>udev</refentrytitle><manvolnum>7</manvolnum> + </citerefentry>, <citerefentry> + <refentrytitle>udevadm</refentrytitle><manvolnum>8</manvolnum> + </citerefentry></para> + </refsect1> +</refentry> |