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Re: [Qemu-devel] [PATCH] flush stdout after printing usage()
From: |
Riku Voipio |
Subject: |
Re: [Qemu-devel] [PATCH] flush stdout after printing usage() |
Date: |
Fri, 6 Feb 2009 16:33:39 +0200 |
User-agent: |
Mutt/1.5.18 (2008-05-17) |
On Wed, Jan 28, 2009 at 04:00:09PM -0600, Anthony Liguori wrote:
> Lionel Landwerlin wrote:
>>> On Wed, Jan 28, 2009 at 02:10:42PM -0600, Anthony Liguori wrote:
>>>> Riku Voipio wrote:
>>>>> Without fflush() getting output from piped qemu is a bit random.
>>>>>
>>>> It should get flushed upon exit(). Perhaps the problem is that
>>>> we're using _exit() instead of exit()?
>>>>
>> _exit does not trigger callbacks registred with at_exit.
> Yes. The question is why is it being used? What at_exit handler are we
> trying to avoid.
Historic reasons? Just to "be safe" since system qemu uses atexit handlers?
I don't see any atexit handlers registered for linux-user (or bsd-user)
targets for current svn qemu. Definetly none registered at command line parsing
stage.
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