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Date: Fri, 17 Jan 2014 13:11:28 -0700
From: Eric Blake <eblake AT redhat DOT com>
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To: cygwin AT cygwin DOT com
Subject: Re: fork() + file descriptor bug in 1.7.27(0.271/5/3) 2013-12-09 11:54
References: <831845 DOT 98759 DOT bm AT smtp116 DOT sbc DOT mail DOT ne1 DOT yahoo DOT com>	<52D55D96 DOT 8070407 AT redhat DOT com>	<946338 DOT 89157 DOT bm AT smtp116 DOT sbc DOT mail DOT ne1 DOT yahoo DOT com> <CAG9p0OR8JYgC1rzBCn1bvXe5ffpJS3vpmnnxw-7brJi8E8+uhQ AT mail DOT gmail DOT com>
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On 01/14/2014 09:53 PM, Lord Laraby wrote:
> My two cents say, since the child is not referencing 'fp' at all,
> there is no violation of the POSIX semantics in this situation.

But the child _IS_ referencing 'fp', via the implicit fflush(NULL) done
by exit().  If you use _exit() to bypass that implicit fflush, things
are a lot nicer.

--=20
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org


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