I'm using launch_daemon to start an application at boot, but I can no longer properly reboot or shutdown Haiku

[Giova84]

hrev50067

Well, as I've said in the subject of this ticket, I'm currently using the launch daemon to run an app at startup: polipo proxy, a cli app ​http://www.pps.univ-paris-diderot.fr/~jch/software/polipo/

Before of the introduction of the launch daemon, I usually launch polipo using a bash script placed in /boot/home/config/settings/boot/launch. Now, instead, I made a configuration file called "polipo", placed inside /boot/system/data/user_launch with the following content:

	service x-vnd.Polipo-Proxy {
		launch /bin/polipo
		no_safemode
	}

Everything works fine except for the fact that when I attempt to reboot or shutdown Haiku, an alert window told me that "polipo might be blocked on a modal panel during shutdown". I also tried to make a shutdown script where I try to pass the command "kill polipo", but the situation is always the same. I properly set the signature for polipo "application/x-vnd.Polipo-Proxy". Inside the syslog I don't see anything related to polipo or to the launch_daemon. I miss something?

[Giova84]

Replying to Giova84:

Now, instead, I made a configuration file called "polipo", placed inside /boot/system/data/user_launch with the following content:

	service x-vnd.Polipo-Proxy {
		launch /bin/polipo
		no_safemode
	}

I've also tried using

	job system-proxy {
		launch /bin/polipo
		no_safemode
	}

But the issue with reboot and shutdown is still here. So, maybe is not permitted to using the launch_daemon to run cli apps or bash script at startup? The fact is that the launch_deamon also permits to automatically relaunch apps when they crashs/fails, which would be very useful for background apps. I'm waiting for the reply from Axel :-)

[Giova84]

I partially solved launching polipo in this way:

	job system-proxy {
		launch /system/bin/polipo logFile="/var/log/polipo.log"
	}

(I add the log file to investigate about the issue, unfortunately without any hints)

It still hangs at reboot/shutdown, but now, If i send a kill signal to polipo

~> kill polipo

Is properly quitted and no longer hangs at reboot/shutdown (previously, when I attempted to kill polipo, it was immediately restarted).

However: I also running polipo on Linux, and sometimes (eg when I apply changes to polipo's config files - or when I add some site to block inside the "forbidden file") I do a

 ~> sudo /etc/init.d/polipo restart

Which quit and immediately restart polipo.

With the first method on Haiku (the method which prevents to definitively quit polipo), the following:

service x-vnd.Polipo-Proxy {
		launch /bin/polipo
		no_safemode
	}

When I send a kill signal to Polipo, it exactly acts as on Linux using init.d . The fact is that the above method which I used firstly, was the most practical to administrate polipo. Maybe there is a proper way or some options/commands to avoid the hangs at reboot/shutdown?

[jessicah]

The first way of establishing the service is definitely correct. Unfortunately, you've run into an open issue with launch_daemon. Currently, launch_daemon isn't properly aware of the shutdown process, so will try to relaunch services during the shutdown process. This can be seen in the syslog with attempts by the launch_daemon to restart the Deskbar and Tracker failing.

[vidrep]

Replying to jessicah:

The first way of establishing the service is definitely correct. Unfortunately, you've run into an open issue with launch_daemon. Currently, launch_daemon isn't properly aware of the shutdown process, so will try to relaunch services during the shutdown process. This can be seen in the syslog with attempts by the launch_daemon to restart the Deskbar and Tracker failing

Possibly related to ticket #12306? In my case,the shutdown problem appeared on my system immediately after the launch_daemon merge.