From 2480f0c6774daa062106f9c209d255f59c6a6c58 Mon Sep 17 00:00:00 2001 From: Zbigniew Jędrzejewski-Szmek Date: Thu, 15 Nov 2012 15:54:17 +0100 Subject: man: update description of ExecStart and friends Semicolon separated lines are supported for all those commands, and semicolons can now be escaped. --- man/systemd.service.xml | 106 ++++++++++++++++++++++++------------------------ 1 file 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 @@ ExecStart= - 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 + Commands + that are executed when this service is started. + + + When Type=oneshot is - used in which case more than one - ExecStart= line is - accepted which are then invoked one by - one, sequentially in the order they - appear in the unit file. + 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 + .desktop files. + The commands are invoked one by + one sequentially in the order they + appear in the unit file. + When Type is + not , only one + command may be given. Lone semicolons + may be escaped as + '\;'. + + Unless + Type=forking 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 + systemd.unit5. Optionally, if the absolute file name is prefixed with - @, the second token + '@', the second token will be passed as argv[0] to the executed process, followed by the further arguments specified. If the - first token is prefixed with - - an exit code of + absolute file name is prefixed with + '-' 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 - - and - @ are used they - can appear in either order. Unless - Type=forking 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 - systemd.unit5. + '-' and + '@' are used they + can appear in either order. On top of that basic environment variable substitution is @@ -380,24 +393,13 @@ Additional commands that are executed before or after the command in - ExecStart=, 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 - .desktop files. - Use of these settings is - optional. Specifier and environment - variable substitution is - supported. + ExecStart=, respectively. + Syntax is the same as for + ExecStart=, except + that multiple command lines are allowed + and the commands are executed one + after the other, serially. + @@ -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 - ExecStartPre= + scheme as described for + ExecStart= above. Use of this setting is optional. Specifier and environment variable substitution is supported @@ -428,9 +430,8 @@ stop the service started via ExecStart=. This argument takes multiple command lines, - following the same scheme as pointed - out for - ExecStartPre= + following the same scheme as described + for ExecStart= above. Use of this setting is optional. All processes remaining for a service after the commands @@ -456,9 +457,8 @@ configured in ExecStop=. This argument takes multiple command lines, - following the same scheme as pointed - out for - ExecStartPre. Use + following the same scheme as described + for ExecStart. Use of these settings is optional. Specifier and environment variable substitution is -- cgit v1.2.3-54-g00ecf