<blockquote>
<p>systemd (opposed to upstart in earlier Ubuntu verions) additionally sends SIGHUP on shutdown (and waits 90s instead of 10s before sending SIGKILL). I suggest to ignore SIGHUP or to handle SIGTERM and SIGHUP the same (idempotent) way.</p>
</blockquote>
<p><a href="https://askubuntu.com/questions/819730/no-sigterm-before-sigkill-shutdown-with-systemd-on-ubuntu-16-04" rel="nofollow">source</a></p>
<p>I modified Geany to ignore SIGHUP, but when I sent SIGTERM geany opened a dialog asking if I really wanted to quit</p>

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