pointing to the node, or run a specified program as part of the event handling.
If no matching rule is found, the default device node name is used.</para>
- <para>A rule may consist of a list of one or more key value pairs separated by
+ <para>A rule consists of a list of one or more key value pairs separated by
a comma. Each key has a distinct operation, depending on the used operator. Valid
operators are:</para>
<variablelist>
<varlistentry>
<term><option>!=</option></term>
<listitem>
- <para>Compare for non-equality.</para>
+ <para>Compare for inequality.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>ENV{<replaceable>key</replaceable>}</option></term>
<listitem>
- <para>Set a device property value.</para>
+ <para>Set a device property value. Property names with a leading '.'
+ are not stored in the database or exported to external tool or events.</para>
</listitem>
</varlistentry>
device. This can only be used for very short running tasks. Running an
event process for a long period of time may block all further events for
this or a dependent device. Long running tasks need to be immediately
- detached from the event process itself.</para>
- <para>If the specifiefd string starts with
+ detached from the event process itself. If the option
+ <option>RUN{<replaceable>fail_event_on_error</replaceable>}</option> is
+ specified, and the executed program returns non-zero, the event will be
+ marked as failed for a possible later handling.</para>
+ <para>If the specified string starts with
<option>socket:<replaceable>path</replaceable></option>, all current event
values will be passed to the specified socket, as a message in the same
format the kernel sends an uevent. If the first character of the specified path
with this option.</para>
</listitem>
</varlistentry>
+ <varlistentry>
+ <term><option>watch</option></term>
+ <listitem>
+ <para>Watch the device node with inotify, when closed after being opened for
+ writing, a change uevent will be synthesised.</para>
+ </listitem>
+ </varlistentry>
</variablelist>
</listitem>
</varlistentry>
</listitem>
</varlistentry>
</variablelist>
- <para>The count of characters to be substituted may be limited by specifying
- the format length value. For example, '%3s{file}' will only
- insert the first three characters of the sysfs attribute</para>
</refsect2>
</refsect1>