udev: clarify man page regarding starting dameons

[elogind.git] / man / udev.xml

diff --git a/man/udev.xml b/man/udev.xml
index 168b1dc1501e84c708041c394bc20eee81ceeb5c..417fb11ebcda9f6b4476e5f9140a8d278a7dbd23 100644 (file)
--- a/man/udev.xml
+++ b/man/udev.xml
@@ -287,6 +287,8 @@
             successfully. The device properties are made available to the
             executed program in the environment. The program's stdout
             is available in the RESULT key.</para>
+            <para>This can only be used for very short-running foreground tasks. For details
+            see <option>RUN</option>.</para>
           </listitem>
         </varlistentry>
 
@@ -401,10 +403,12 @@
             /usr/lib/udev, otherwise the absolute path must be specified. The program
             name and following arguments are separated by spaces. Single quotes can
             be used to specify arguments with spaces.</para>
-            <para>This can only be used for very short running tasks. Running an
+            <para>This can only be used for very short-running foreground tasks. Running an
             event process for a long period of time may block all further events for
-            this or a dependent device. Starting daemons or other long running processes
-            is not appropriate for udev.</para>
+            this or a dependent device.</para>
+            <para>Starting daemons or other long running processes is not appropriate
+            for udev; the forked processes, detached or not, will be unconditionally
+            killed after the event handling has finished.</para>
           </listitem>
         </varlistentry>
 
@@ -470,6 +474,8 @@
                 </listitem>
               </varlistentry>
             </variablelist>
+            <para>This can only be used for very short-running foreground tasks. For details
+            see <option>RUN</option>.</para>
           </listitem>
         </varlistentry>
 
@@ -513,10 +519,9 @@
                 <term><option>static_node=</option></term>
                 <listitem>
                   <para>Apply the permissions specified in this rule to the static device node with
-                  the specified name. Static device nodes might be provided by kernel modules
-                  or copied from <filename>/usr/lib/udev/devices</filename>. These nodes might not have
-                  a corresponding kernel device at the time udevd is started; they can trigger
-                  automatic kernel module loading.</para>
+                  the specified name. Static device node creation can be requested by kernel modules.
+                  These nodes might not have a corresponding kernel device at the time udevd is
+                  started; they can trigger automatic kernel module loading.</para>
                 </listitem>
               </varlistentry>
               <varlistentry>