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-rw-r--r--man/systemd.exec.xml44
1 files changed, 40 insertions, 4 deletions
diff --git a/man/systemd.exec.xml b/man/systemd.exec.xml
index 2b090871ff..6317830ae2 100644
--- a/man/systemd.exec.xml
+++ b/man/systemd.exec.xml
@@ -77,6 +77,31 @@
</refsect1>
<refsect1>
+ <title>Automatic Dependencies</title>
+
+ <para>A few execution parameters result in additional, automatic
+ dependencies to be added.</para>
+
+ <para>Units with <varname>WorkingDirectory=</varname> or
+ <varname>RootDirectory=</varname> set automatically gain
+ dependencies of type <varname>Requires=</varname> and
+ <varname>After=</varname> on all mount units required to access
+ the specified paths. This is equivalent to having them listed
+ explicitly in <varname>RequiresMountsFor=</varname>.</para>
+
+ <para>Similar, units with <varname>PrivateTmp=</varname> enabled
+ automatically get mount unit dependencies for all mounts
+ required to access <filename>/tmp</filename> and
+ <filename>/var/tmp</filename>.</para>
+
+ <para>Units whose output standard output or error output is
+ connected to any other sink but <option>null</option>,
+ <option>tty</option> and <option>socket</option> automatically
+ acquire dependencies of type <varname>After=</varname> on
+ <filename>journald.socket</filename>.</para>
+ </refsect1>
+
+ <refsect1>
<title>Options</title>
<variablelist class='unit-directives'>
@@ -93,7 +118,9 @@
and the respective user's home directory if run as user. If
the setting is prefixed with the <literal>-</literal>
character, a missing working directory is not considered
- fatal.</para></listitem>
+ fatal. Note that setting this parameter might result in
+ additional dependencies to be added to the unit (see
+ above).</para></listitem>
</varlistentry>
<varlistentry>
@@ -104,7 +131,9 @@
project='man-pages'><refentrytitle>chroot</refentrytitle><manvolnum>2</manvolnum></citerefentry>
system call. If this is used, it must be ensured that the
process binary and all its auxiliary files are available in
- the <function>chroot()</function> jail.</para></listitem>
+ the <function>chroot()</function> jail. Note that setting this
+ parameter might result in additional dependencies to be added
+ to the unit (see above).</para></listitem>
</varlistentry>
<varlistentry>
@@ -351,6 +380,7 @@
<para>This setting defaults to
<option>null</option>.</para></listitem>
</varlistentry>
+
<varlistentry>
<term><varname>StandardOutput=</varname></term>
<listitem><para>Controls where file descriptor 1 (STDOUT) of
@@ -416,8 +446,11 @@
<para>This setting defaults to the value set with
<option>DefaultStandardOutput=</option> in
<citerefentry><refentrytitle>systemd-system.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
- which defaults to <option>journal</option>.</para></listitem>
+ which defaults to <option>journal</option>. Note that setting
+ this parameter might result in additional dependencies to be
+ added to the unit (see above).</para></listitem>
</varlistentry>
+
<varlistentry>
<term><varname>StandardError=</varname></term>
<listitem><para>Controls where file descriptor 2 (STDERR) of
@@ -428,8 +461,11 @@
standard error. This setting defaults to the value set with
<option>DefaultStandardError=</option> in
<citerefentry><refentrytitle>systemd-system.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
- which defaults to <option>inherit</option>.</para></listitem>
+ which defaults to <option>inherit</option>. Note that setting
+ this parameter might result in additional dependencies to be
+ added to the unit (see above).</para></listitem>
</varlistentry>
+
<varlistentry>
<term><varname>TTYPath=</varname></term>
<listitem><para>Sets the terminal device node to use if