From: Jonathan Nieder <jrnieder@gmail.com>
Date: Mon, 03 Jan 2011 01:34:57 GMT
Subject: Re: [PATCH 8/8] t0081 (line-buffer): add buffering tests
Message-ID: <20110103013457.GB30791@burratino>
In-Reply-To: <20110103010716.GE30506@burratino>

Jonathan Nieder wrote:

> First check that fread can handle a 0-length read from an empty fifo.
> The writing end of the fifo is opened in advance in a subshell since
> even 0-length reads are allowed to block when the writing end of a
> pipe is not open.

Erm, what I mean here is that open(O_RDONLY) will block until the
writing end has been opened.