From: Anders Kaseorg <andersk@mit.edu>
Date: Tue, 26 Jun 2012 22:46:49 GMT
Subject: Re: [PATCH] t9010: Open backflow FIFO once to work around kernel race condition
Message-ID: <alpine.DEB.2.00.1206261843150.3236@dr-wily.mit.edu>
In-Reply-To: <20120626224053.GA7155@burratino>

On Tue, 26 Jun 2012, Jonathan Nieder wrote:
> Anders Kaseorg wrote:
> > Sidestep this problem by opening the backflow FIFO once for
> > read+write.
> 
> Is that portable?

Presumably; it’s POSIX, at least.
http://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_07_07

> Doesn't this mean we wouldn't notice if test-svn-fe crashes?

Oh hmm, good point.

Anders