<para>If set to
<option>simple</option> (the default
- value if neither
+ if neither
<varname>Type=</varname> nor
- <varname>BusName=</varname> are
+ <varname>BusName=</varname>, but
+ <varname>ExecStart=</varname> are
specified), it is expected that the
process configured with
<varname>ExecStart=</varname> is the
exits.</para>
<para>Behavior of
- <option>oneshot</option> is similar
- to <option>simple</option>; however,
- it is expected that the process has to
+ <option>oneshot</option> is similar to
+ <option>simple</option>; however, it
+ is expected that the process has to
exit before systemd starts follow-up
units. <varname>RemainAfterExit=</varname>
is particularly useful for this type
- of service.</para>
+ of service. This is the implied
+ default if neither
+ <varname>Type=</varname> or
+ <varname>ExecStart=</varname> are
+ specified.</para>
<para>Behavior of
<option>dbus</option> is similar to
<para>When <varname>Type</varname> is
not <option>oneshot</option>, only one
- command may be given. When
+ command may and must be given. When
<varname>Type=oneshot</varname> is
- used, more than one command may be
- specified. Multiple command lines may
- be concatenated in a single directive
- by separating them with semicolons
- (these semicolons must be passed as
- separate words). Alternatively, this
- directive may be specified more than
- once with the same effect.
- Lone semicolons may be escaped as
+ used, none or more than one command
+ may be specified. Multiple command
+ lines may be concatenated in a single
+ directive by separating them with
+ semicolons (these semicolons must be
+ passed as separate
+ words). Alternatively, this directive
+ may be specified more than once with
+ the same effect. Lone semicolons may
+ be escaped as
<literal>\;</literal>. If the empty
string is assigned to this option, the
list of commands to start is reset,
prior assignments of this option will
- have no effect.</para>
+ have no effect. If no
+ <varname>ExecStart=</varname> is
+ specified, then the service must have
+ <varname>RemainAfterExit=yes</varname>
+ set.</para>
<para>Each command line is split on
whitespace, with the first item being
time span value such as "5min
20s". Pass <literal>0</literal> to
disable the timeout logic. Defaults to
- <varname>TimeoutStartSec=</varname> from
+ <varname>DefaultTimeoutStartSec=</varname> from
the manager configuration file, except
when <varname>Type=oneshot</varname> is
used, in which case the timeout
- is disabled by default.
+ is disabled by default
+ (see <citerefentry><refentrytitle>systemd-systemd.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>).
</para></listitem>
</varlistentry>
time span value such as "5min
20s". Pass <literal>0</literal> to disable
the timeout logic. Defaults to
- <varname>TimeoutStartSec=</varname> from the
- manager configuration file.
+ <varname>DefaultTimeoutStopSec=</varname> from the
+ manager configuration file
+ (see <citerefentry><refentrytitle>systemd-systemd.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>).
</para></listitem>
</varlistentry>
</tgroup>
</table>
- <para>In addition to the above settings,
- the service will not be restarted if the
- exit code or signal is specified in
+ <para>As exceptions to the setting
+ above the service will not be
+ restarted if the exit code or signal
+ is specified in
<varname>RestartPreventExitStatus=</varname>
+ (see below). Also, the services will
+ always be restarted if the exit code
+ or signal is specified in
+ <varname>RestartForceExitStatus=</varname>
(see below).</para>
<para>Setting this to
reliability by attempting automatic
recovery from errors. For services
that shall be able to terminate on
- their own choice (and avoiding
- immediate restart),
+ their own choice (and avoid
+ immediate restarting),
<option>on-abnormal</option> is an
alternative choice.</para>
</listitem>
~ianmdlvl / elogind.git / blobdiff