From: Eric Wong <e@80x24.org>
To: Jason Hines <jason@greenhell.com>
Cc: unicorn-public@bogomips.org
Subject: Re: Will restarting a Unicorn process (via HUP signal) wait for worker threads?
Date: Fri, 24 Apr 2015 00:13:33 +0000 [thread overview]
Message-ID: <20150424001333.GA2117@dcvr.yhbt.net> (raw)
In-Reply-To: <CAECjbYjs0V=zbqVo2Z2ZkYrNiSQmNE7QQz-Buuk0=-Y8hbL=DQ@mail.gmail.com>
Jason Hines <jason@greenhell.com> wrote:
> In my application, I have some background jobs which are executed in
> separate threads. (using SuckerPunch/Celluloid framework)
>
> If I send a HUP signal to the Unicorn master, the application is reloaded
> and gracefully restarts the workers. But, if those workers have child
> threads, does Unicorn wait for those threads to finish before the restart
> or are they terminated immediately?
unicorn itself does not know about any threads spawned by the application.
However, you can setup an END/at_exit block in the worker to wait on
those threads since unicorn workers perform graceful exit:
at_exit do
join_all_threads
end
prev parent reply other threads:[~2015-04-24 0:13 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-24 0:04 Will restarting a Unicorn process (via HUP signal) wait for worker threads? Jason Hines
2015-04-24 0:13 ` Eric Wong [this message]
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