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From: Paolo Bonzini <pbonzini@redhat.com>
To: Markus Armbruster <armbru@redhat.com>
Cc: qemu-devel@nongnu.org
Subject: [Qemu-devel] Re: [PATCH 0/2] avoid races on exec migration
Date: Tue, 29 Mar 2011 14:24:55 +0200	[thread overview]
Message-ID: <4D91CF97.3000509@redhat.com> (raw)
In-Reply-To: <m3y63yjg9q.fsf@blackfin.pond.sub.org>

On 03/29/2011 01:52 PM, Markus Armbruster wrote:
>> To avoid this, register the pids in a list and, on SIGCHLD, set up a
>> bottom-half that would go through the pids and reap them.
>
> Signal handler now waitpid()s only for registered children, so it can't
> steal zombies anymore.

Exactly.

>> Since I'm at it, I'm moving iohandler stuff out of vl.c.  The new
>> file isn't a perfect place to add the child watcher, but it's arguably
>> better than vl.c.
>
> Pretty much anything's better than vl.c.
>
> You silently drop unused IOHandlerRecord member ufd.  Dropping junk
> good, silence not so good.

1/2 had a pretty terse commit message overall.

Paolo

  reply	other threads:[~2011-03-29 12:25 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-03-09 17:21 [Qemu-devel] [PATCH 0/2] avoid races on exec migration Paolo Bonzini
2011-03-09 17:21 ` [Qemu-devel] [PATCH 1/2] extract I/O handler lists to iohandler.c Paolo Bonzini
2011-04-03  3:18   ` Roy Tam
2011-03-09 17:21 ` [Qemu-devel] [PATCH 2/2] add a service to reap zombies, use it in SLIRP Paolo Bonzini
2011-03-21  8:24 ` [Qemu-devel] Re: [PATCH 0/2] avoid races on exec migration Paolo Bonzini
2011-03-29  9:19   ` Paolo Bonzini
2011-03-29 11:52 ` [Qemu-devel] " Markus Armbruster
2011-03-29 12:24   ` Paolo Bonzini [this message]
2011-03-29 13:33 ` Anthony Liguori

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