X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=man%2Fsystemd.service.xml;h=01312502601d57057f32d36b3b5c688a7f335fa8;hb=92daebc0d0268c35f416c1665e0da3d4be5dd69f;hp=364ad7d0c8a5b8ce1dcb4bd0066f94270ac5cafe;hpb=33169701b0640d3629d4c36cf8c71dc26d2cb7e1;p=elogind.git diff --git a/man/systemd.service.xml b/man/systemd.service.xml index 364ad7d0c..013125026 100644 --- a/man/systemd.service.xml +++ b/man/systemd.service.xml @@ -529,9 +529,9 @@ ExecStart=/bin/echo $ONE $TWO ${TWO} services against each other. It is strongly recommended to set ExecReload= to a - command that no only triggers a + command that not only triggers a configuration reload of the daemon, - but also synchronously waits for it + but also synchronously waits for it to complete. @@ -703,51 +703,151 @@ ExecStart=/bin/echo $ONE $TWO ${TWO} , , , + , , , or . If set to (the default), the - service will not be restarted. If set to - , it will be - restarted only when the service process - exits cleanly. - In this context, a clean exit means - an exit code of 0, or one of the signals + service will not be restarted. If set + to , it + will be restarted only when the + service process exits cleanly. In + this context, a clean exit means an + exit code of 0, or one of the signals SIGHUP, SIGINT, - SIGTERM, - or SIGPIPE, and - additionally, exit statuses and signals - specified in SuccessExitStatus=. + SIGTERM or + SIGPIPE, and + additionally, exit statuses and + signals specified in + SuccessExitStatus=. If set to , the service will be restarted when the - process exits with a non-zero exit code, - is terminated by a signal (including on - core dump), when an operation (such as - service reload) times out, and when the - configured watchdog timeout is triggered. - If set to - , the service - will be restarted only if the service - process exits due to an uncaught - signal not specified as a clean exit - status. - If set to - , the service - will be restarted only if the watchdog - timeout for the service expires. - If set to + process exits with a non-zero exit + code, is terminated by a signal + (including on core dump, but excluding + the aforementiond four signals), when + an operation (such as service reload) + times out, and when the configured + watchdog timeout is triggered. If set + to , the + service will be restarted when the + process is terminated by a signal + (including on core dump, excluding the + aforementioned four signals), when an + operation times out, or when the + watchdog timeout is triggered. If set + to , the + service will be restarted only if the + service process exits due to an + uncaught signal not specified as a + clean exit status. If set to + , the + service will be restarted only if the + watchdog timeout for the service + expires. If set to , the service - will be restarted regardless of whether - it exited cleanly or not, got + will be restarted regardless of + whether it exited cleanly or not, got terminated abnormally by a signal, or hit a timeout. - In addition to the above settings, - the service will not be restarted if the - exit code or signal is specified in + + Exit causes and the effect of the <varname>Restart=</varname> settings on them + + + + + + + Restart settings/Exit causes + + + + + + + + + + + + Clean exit code or signal + + X + X + + + + + + + Unclean exit code + + X + + X + + + + + + Unclean signal + + X + + X + X + X + + + + Timeout + + X + + X + X + + + + + Watchdog + + X + + X + X + + X + + + +
+ + As exceptions to the setting + above the service will not be + restarted if the exit code or signal + is specified in RestartPreventExitStatus= - (see below). + (see below). Also, the services will + always be restarted if the exit code + or signal is specified in + RestartForceExitStatus= + (see below).
+ + Setting this to + is the + recommended choice for long-running + services, in order to increase + reliability by attempting automatic + recovery from errors. For services + that shall be able to terminate on + their own choice (and avoid + immediate restarting), + is an + alternative choice. + @@ -762,7 +862,7 @@ ExecStart=/bin/echo $ONE $TWO ${TWO} definitions can either be numeric exit codes or termination signal names, separated by spaces. For example: - SuccessExitStatus=1 2 8 SIGKILL + SuccessExitStatus=1 2 8 SIGKILL ensures that exit codes 1, 2, 8 and the termination signal SIGKILL are @@ -802,9 +902,8 @@ ExecStart=/bin/echo $ONE $TWO ${TWO} spaces. Defaults to the empty list, so that, by default, no exit status is excluded from the configured restart - logic. Example: - RestartPreventExitStatus=1 6 - SIGABRT, ensures that exit + logic. For example: + RestartPreventExitStatus=1 6 SIGABRT ensures that exit codes 1 and 6 and the termination signal SIGABRT will not result in automatic service @@ -818,6 +917,18 @@ ExecStart=/bin/echo $ONE $TWO ${TWO} effect. + + RestartForceExitStatus= + Takes a list of exit + status definitions that when returned + by the main service process will force + automatic service restarts, regardless + of the restart setting configured with + Restart=. The + argument format is similar to + RestartPreventExitStatus=. + + PermissionsStartOnly= Takes a boolean