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Re: [Qemu-devel] [PATCH v1 12/21] io: implement socket watch for win32 u

From: Eric Blake
Subject: Re: [Qemu-devel] [PATCH v1 12/21] io: implement socket watch for win32 using WSAEventSelect+select
Date: Wed, 9 Mar 2016 12:59:20 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0

On 03/09/2016 10:47 AM, Paolo Bonzini wrote:
> On 09/03/2016 18:28, Daniel P. Berrange wrote:
>> From: Paolo Bonzini <address@hidden>
> Reviewing my own patch looks weird. :)
>> On Win32 we cannot directly poll on socket handles. Instead we
>> create a Win32 event object and associate the socket handle with
>> the event. When the event signals readyness we then have to
>> use select to determine which events are ready. Creating Win32
>> events is moderately heavyweight, so we don't want todo it
>> every time we create a GSource, so this associates a single
>> event with a QIOChannel.
>> Signed-off-by: Daniel P. Berrange <address@hidden>
>> ---

Especially when it lacks your S-o-b :)

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

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