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Date: Fri, 8 Jan 1999 16:33:53 +0000 (GMT)
From: Tony Finch <dot@dotat.at>
To: "Richard Seaman, Jr." <dick@tar.com>
cc: current@FreeBSD.ORG
Subject: Re: Squid + linuxthreads in action
In-Reply-To: <19990108092148.A377@tar.com>
References: <E0zxzBQ-0007Tt-00@fanf.noc.demon.net>
	<19990108092148.A377@tar.com>
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Richard Seaman, Jr. writes:
> Tony Finch wrote:
> >
> > We've been trying out Squid compiled to use async-io with linuxthreads
> > on FreeBSD-current today.
> > 
> > When the parent Squid process shuts down it leaves behind a pile of
> > orphan processes (the async-io handler threads). A glance at the aio
> > code reveals that Squid expects the pthread library to kill them --
> > they just loop indefinitely. They also keep the listen socket open, so
> > the RunCache script can't restart Squid :-(
> 
> Ok.  I finally got squid compiled and running.  When I do any of the
> following:
> 
> squid -k shutdown
> squid -k kill
> squid -k interrupt
> 
> all the squid processes get killed.  After a short time squid
> restarts (I assume this is RunCache that does this).  I seem
> to get 18 processes (threads) going.

That sounds right -- the main process, a management thread, and 16 IO
pumps.

> When you say you get orphan processes, is this what you're
> doing?  

Yes. Or at least is was, but I can't reproduce it now. Sorry for
causing trouble :-(

Tony.
-- 
f.a.n.finch  fanf@demon.net  dot@dotat.at

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