diff options
Diffstat (limited to 'man/systemd.service.xml')
| -rw-r--r-- | man/systemd.service.xml | 106 |
1 files changed, 53 insertions, 53 deletions
diff --git a/man/systemd.service.xml b/man/systemd.service.xml index 8c1dfe18b7..ddb065e1d5 100644 --- a/man/systemd.service.xml +++ b/man/systemd.service.xml @@ -296,45 +296,58 @@ <varlistentry> <term><varname>ExecStart=</varname></term> - <listitem><para>Takes a command line - that is executed when this service - shall be started up. The first token - of the command line must be an - absolute file name, then followed by - arguments for the process. It is - mandatory to set this option for all - services. This option may not be - specified more than once, except when + <listitem><para>Commands + that are executed when this service is started. + </para> + + <para>When <varname>Type=oneshot</varname> is - used in which case more than one - <varname>ExecStart=</varname> line is - accepted which are then invoked one by - one, sequentially in the order they - appear in the unit file.</para> + 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. However, + the latter syntax is not recommended + for compatibility with parsers + suitable for XDG + <filename>.desktop</filename> files. + The commands are invoked one by + one sequentially in the order they + appear in the unit file. + When <varname>Type</varname> is + not <option>oneshot</option>, only one + command may be given. Lone semicolons + may be escaped as + '<literal>\;</literal>'.</para> + + <para>Unless + <varname>Type=forking</varname> is + set, the process started via this + command line will be considered the + main process of the daemon. The + command line accepts '<literal>%</literal>' + specifiers as described in + <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>.</para> <para>Optionally, if the absolute file name is prefixed with - <literal>@</literal>, the second token + '<literal>@</literal>', the second token will be passed as <literal>argv[0]</literal> to the executed process, followed by the further arguments specified. If the - first token is prefixed with - <literal>-</literal> an exit code of + absolute file name is prefixed with + '<literal>-</literal>' an exit code of the command normally considered a failure (i.e. non-zero exit status or abnormal exit due to signal) is ignored and considered success. If both - <literal>-</literal> and - <literal>@</literal> are used they - can appear in either order. Unless - <varname>Type=forking</varname> is - set, the process started via this - command line will be considered the - main process of the daemon. The - command line accepts % specifiers as - described in - <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>.</para> + '<literal>-</literal>' and + '<literal>@</literal>' are used they + can appear in either order.</para> <para>On top of that basic environment variable substitution is @@ -380,24 +393,13 @@ <listitem><para>Additional commands that are executed before or after the command in - <varname>ExecStart=</varname>, respectively. Multiple - command lines may be concatenated in a - single directive, by separating them - by semicolons (these semicolons must - be passed as separate words). In that - case, the commands are executed one - after the other, - serially. Alternatively, these - directives may be specified more than - once with the same effect. However, - the latter syntax is not recommended - for compatibility with parsers - suitable for XDG - <filename>.desktop</filename> files. - Use of these settings is - optional. Specifier and environment - variable substitution is - supported.</para></listitem> + <varname>ExecStart=</varname>, respectively. + Syntax is the same as for + <varname>ExecStart=</varname>, except + that multiple command lines are allowed + and the commands are executed one + after the other, serially.</para> + </listitem> </varlistentry> <varlistentry> @@ -406,8 +408,8 @@ trigger a configuration reload in the service. This argument takes multiple command lines, following the same - scheme as pointed out for - <varname>ExecStartPre=</varname> + scheme as described for + <varname>ExecStart=</varname> above. Use of this setting is optional. Specifier and environment variable substitution is supported @@ -428,9 +430,8 @@ stop the service started via <varname>ExecStart=</varname>. This argument takes multiple command lines, - following the same scheme as pointed - out for - <varname>ExecStartPre=</varname> + following the same scheme as described + for <varname>ExecStart=</varname> above. Use of this setting is optional. All processes remaining for a service after the commands @@ -456,9 +457,8 @@ configured in <varname>ExecStop=</varname>. This argument takes multiple command lines, - following the same scheme as pointed - out for - <varname>ExecStartPre</varname>. Use + following the same scheme as described + for <varname>ExecStart</varname>. Use of these settings is optional. Specifier and environment variable substitution is |