diff options
Diffstat (limited to 'man/systemd.exec.xml')
| -rw-r--r-- | man/systemd.exec.xml | 44 |
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 |