From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from eggs.gnu.org ([2001:4830:134:3::10]:43729)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <pbonzini@redhat.com>) id 1V1uIU-0006ij-Mm
	for qemu-devel@nongnu.org; Wed, 24 Jul 2013 04:19:47 -0400
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <pbonzini@redhat.com>) id 1V1uIT-00081T-I5
	for qemu-devel@nongnu.org; Wed, 24 Jul 2013 04:19:46 -0400
Received: from mx1.redhat.com ([209.132.183.28]:48131)
	by eggs.gnu.org with esmtp (Exim 4.71)
	(envelope-from <pbonzini@redhat.com>) id 1V1uIT-00081M-A1
	for qemu-devel@nongnu.org; Wed, 24 Jul 2013 04:19:45 -0400
Message-ID: <51EF8E07.9040307@redhat.com>
Date: Wed, 24 Jul 2013 10:19:19 +0200
From: Paolo Bonzini <pbonzini@redhat.com>
MIME-Version: 1.0
References: <1374396185-10870-1-git-send-email-pingfank@linux.vnet.ibm.com>
	<429B80A9A0DBF7FBF05E7C5A@nimrod.local>
	<CAJnKYQm8r3eg3B7PBU_siqrP_hSFtWcKazaKJt0b8qwcMWxiqw@mail.gmail.com>
	<628DFBF37B094813C72B6DBF@Ximines.local>
	<CAJnKYQnNhO8MECQkO3RE4L03H0rEEiPyMzQ+p-cu-9EOTD72kw@mail.gmail.com>
	<CAJnKYQ=r21_d-+cC6v24i68m1P8AC6avnqUAMwDrRTV1A6+mAQ@mail.gmail.com>
	<51EE5B34.10507@redhat.com>
	<CAJnKYQ=K_yME90=neYY56MpN7b2iYuFT9Yv6G-e+jBF8rm_E3A@mail.gmail.com>
	<51EF7752.9020505@redhat.com>
	<11E9299201E9A8D837D212DB@nimrod.local>
	<51EF85A0.6070307@redhat.com>
	<0C1B02FD6461BD119735B002@nimrod.local>
In-Reply-To: <0C1B02FD6461BD119735B002@nimrod.local>
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
Subject: Re: [Qemu-devel] [RFC 0/8] arm AioContext with its own timer stuff
List-Id: <qemu-devel.nongnu.org>
List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: Alex Bligh <alex@alex.org.uk>
Cc: Kevin Wolf <kwolf@redhat.com>, Stefan Hajnoczi <stefanha@redhat.com>, Jan Kiszka <jan.kiszka@siemens.com>, liu ping fan <qemulist@gmail.com>, qemu-devel@nongnu.org, Anthony Liguori <anthony@codemonkey.ws>

Il 24/07/2013 10:01, Alex Bligh ha scritto:
>>>
>>
>> Part of it should be fixed by os_setup_early_signal_handling.
>>
>> This is corroborated by the fact that without
>> os_setup_early_signal_handling Wine always works, and Windows breaks.
> 
> This:
>  http://www.windowstimestamp.com/description
> suggests that whilst WaitForMultipleEvents has a millisecond timeout,
> one can (see section 3.2) use these to wait for an object which is
> itself a timer and expires with - in this case - 100ns resolution which
> is probably enough.
> 
> Again I know nothing about Windows so this may be completely wrong.

This is roughly what the alarm timer code does on Windows.  I also don't
know much about the internals, I wouldn't worry too much.

Paolo