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Date: Wed, 17 Jul 2002 19:17:22 +0200
From: Andries Brouwer <aebr@win.tue.nl>
To: Elladan <elladan@eskimo.com>
Cc: Stevie O <stevie@qrpff.net>, Alan Cox <alan@lxorguk.ukuu.org.uk>,
       Zack Weinberg <zack@codesourcery.com>, linux-kernel@vger.kernel.org
Subject: Re: close return value (was Re: [ANNOUNCE] Ext3 vs Reiserfs benchmarks)
Message-ID: <20020717171722.GA1352@win.tue.nl>
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On Tue, Jul 16, 2002 at 09:38:53PM -0700, Elladan wrote:

> The question is, does the OS standard guarantee that the fd is closed,
> even if close() returns EINTR or EIO?  Just going by the normal usage of
> EINTR, one might think otherwise.  It doesn't appear to be documented
> one way or another.
> 
> Alan said you could just issue close again to make sure - the example
> shows that this is not the case.  A second close is either required or
> forbidden in that example - and the behavior has to be well defined or
> you won't know which to do.

No, the behaviour is not well-defined at all.
The standard explicitly leaves undefined what happens when close returns
EINTR or EIO.
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