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Re: fork() + file descriptor bug in 1.7.27(0.271/5/3) 2013-12-09 11:54

From: Eric Blake <eblake at redhat dot com>
To: cygwin at cygwin dot com
Date: Fri, 17 Jan 2014 13:11:28 -0700
Subject: Re: fork() + file descriptor bug in 1.7.27(0.271/5/3) 2013-12-09 11:54
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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.

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

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References:
- fork() + file descriptor bug in 1.7.27(0.271/5/3) 2013-12-09 11:54
  - From: tednolan
- Re: fork() + file descriptor bug in 1.7.27(0.271/5/3) 2013-12-09 11:54
  - From: Eric Blake
- Re: fork() + file descriptor bug in 1.7.27(0.271/5/3) 2013-12-09 11:54
  - From: tednolan
- Re: fork() + file descriptor bug in 1.7.27(0.271/5/3) 2013-12-09 11:54
  - From: Lord Laraby

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