Re: [Qemu-devel] [PATCH 2/2] qemu-ga: guest-shutdown: become synchronous

[Eric Blake <eblake@redhat.com>]

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On 05/14/2012 08:56 AM, Michael Roth wrote:
> From: Luiz Capitulino <lcapitulino@redhat.com>
> 
> Last commit dropped qemu-ga's SIGCHLD handler, used to automatically
> reap terminated children processes. This introduced a bug to
> qmp_guest_shutdown(): it will generate zombies.
> 
> This problem probably doesn't matter in the success case, as the VM
> will shutdown anyway, but let's do the right thing and reap the
> created process. This ultimately means that guest-shutdown is now a
> synchronous command.
> 
> An interesting side effect is that guest-shutdown is now able to
> report an error to the client if shutting down fails.
> 
> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
> ---
>  qga/commands-posix.c |   21 ++++++++++++++++-----
>  1 files changed, 16 insertions(+), 5 deletions(-)

Reviewed-by: Eric Blake <eblake@redhat.com>

-- 
Eric Blake   eblake@redhat.com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org


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