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From: Riku Voipio <riku.voipio@iki.fi>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] flush stdout after printing usage()
Date: Fri, 6 Feb 2009 16:33:39 +0200	[thread overview]
Message-ID: <20090206143339.GA10366@kos.to> (raw)
In-Reply-To: <4980D569.9060408@codemonkey.ws>

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.

      reply	other threads:[~2009-02-06 14:33 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-01-28 18:47 [Qemu-devel] [PATCH] flush stdout after printing usage() Riku Voipio
2009-01-28 20:10 ` Anthony Liguori
2009-01-28 21:06   ` Riku Voipio
2009-01-28 21:51     ` Lionel Landwerlin
2009-01-28 22:00       ` Anthony Liguori
2009-02-06 14:33         ` Riku Voipio [this message]

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