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service: Implement 'on-watchdog' restart option

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Services using the watchdog option might want to be restarted
only if the watchdog triggers.
This commit is contained in:
Hannes Reinecke 2013-07-25 14:07:59 +02:00 committed by Lennart Poettering
parent 00a1686189
commit dc99a97644
3 changed files with 8 additions and 0 deletions
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5
man/systemd.service.xml
View file

@ -618,6 +618,7 @@
<option>no</option>,
<option>on-success</option>,
<option>on-failure</option>,
<option>on-watchdog</option>,
<option>on-abort</option>, or
<option>always</option>. If set to
<option>no</option> (the default) the
@ -644,6 +645,10 @@
signal not specified as a clean exit
status.
If set to
<option>on-watchdog</option> the service
will be restarted only if the watchdog
timeout for the service expires.
If set to
<option>always</option> the service
will be restarted regardless whether
it exited cleanly or not, got

2
src/core/service.c
View file

@ -1937,6 +1937,7 @@ static void service_enter_dead(Service *s, ServiceResult f, bool allow_restart)
(s->restart == SERVICE_RESTART_ALWAYS ||
(s->restart == SERVICE_RESTART_ON_SUCCESS && s->result == SERVICE_SUCCESS) ||
(s->restart == SERVICE_RESTART_ON_FAILURE && s->result != SERVICE_SUCCESS) ||
(s->restart == SERVICE_RESTART_ON_WATCHDOG && s->result == SERVICE_FAILURE_WATCHDOG) ||
(s->restart == SERVICE_RESTART_ON_ABORT && (s->result == SERVICE_FAILURE_SIGNAL ||
s->result == SERVICE_FAILURE_CORE_DUMP))) &&
(s->result != SERVICE_FAILURE_EXIT_CODE ||
@ -3791,6 +3792,7 @@ static const char* const service_restart_table[_SERVICE_RESTART_MAX] = {
[SERVICE_RESTART_NO] = "no",
[SERVICE_RESTART_ON_SUCCESS] = "on-success",
[SERVICE_RESTART_ON_FAILURE] = "on-failure",
[SERVICE_RESTART_ON_WATCHDOG] = "on-watchdog",
[SERVICE_RESTART_ON_ABORT] = "on-abort",
[SERVICE_RESTART_ALWAYS] = "always"
};

1
src/core/service.h
View file

@ -54,6 +54,7 @@ typedef enum ServiceRestart {
SERVICE_RESTART_NO,
SERVICE_RESTART_ON_SUCCESS,
SERVICE_RESTART_ON_FAILURE,
SERVICE_RESTART_ON_WATCHDOG,
SERVICE_RESTART_ON_ABORT,
SERVICE_RESTART_ALWAYS,
_SERVICE_RESTART_MAX,