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Fix #280: allow calling initctl restart foo from within foo

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Move the stop+start from initctl to the state machine by allowing
stopped tasks to restart once it has been collected.  This should
prevent finit from blocking, allowing it to handle other requests
while waiting for the service's PID to be collected.

Effectively, this will allow a service to call initctl to restart
itself, as reported in issue #280.

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
This commit is contained in:
Joachim Wiberg
2022-05-30 06:54:27 +02:00
parent 5ef669fb6c
commit ccb84ced2e
4 changed files with 14 additions and 19 deletions
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src/initctl.c
+3 -16
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@@ -271,23 +271,10 @@ static int do_reload (char *arg)
static int do_restart(char *arg)
{
size_t retries = 3;
svc_t *svc;
if (do_startstop(INIT_CMD_RESTART_SVC, arg))
ERRX(7, "failed restarting %s", arg);
if (do_startstop(INIT_CMD_STOP_SVC, arg))
return 1;
while (retries-- > 0 && (svc = client_svc_find(arg))) {
if (!svc_is_running(svc))
break;
sleep(1);
}
if (retries == 0)
ERRX(7, "failed stopping %s (restart)", arg);
return do_startstop(INIT_CMD_RESTART_SVC, arg);
return 0;
}
/**