how to make systemd wait for a process to die?

Juan Orti Alcaine j.orti.alcaine at
Mon Sep 19 11:25:41 UTC 2011

Hello, I'm making a systemd service file for gogoc, a program to create IPv6
tunnels with

The program gets the network configuration and uses a shell script for
configuring the interface, and when receives the HUP signal, calls the shell
script again for shutting down the tunnel, but it needs a few seconds for
doing this.

What's the better way for doing this? at the moment, I do:

ExecStart=/usr/bin/gogoc -f /etc/gogoc/gogoc.conf $GOGOC_OPTS
ExecStop=/bin/kill -s SIGHUP $MAINPID

it sends the HUP, but then it kills the daemon immediately, there's no time
for shutting down the tunnel properly.
Is correct to put a sleep? It looks awful
ExecStop=/bin/kill -s SIGHUP $MAINPID; sleep 5

What do you think?
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