Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: Lawrence D'Oliveiro <ldo@nz.invalid>
Newsgroups: comp.os.linux.misc
Subject: Re: Are We Back to the "Wars" Now ?
Date: Wed, 18 Dec 2024 01:23:18 -0000 (UTC)
Organization: A noiseless patient Spider
Lines: 14
Message-ID: <vjt866$20222$3@dont-email.me>
References: <Sp-cnSz8UupYQaf6nZ2dnZfqnPednZ2d@earthlink.com>
	<vhja4p$23f5e$3@dont-email.me>
	<lNycnZghasCXPtP6nZ2dnZfqnPSdnZ2d@earthlink.com>
	<w0b7P.64695$oR74.19157@fx16.iad> <vjjljh$3unfq$1@dont-email.me>
	<vjk9nm$2chi$1@dont-email.me> <vjkae9$1uri$11@dont-email.me>
	<68b83l-jtd.ln1@ID-313840.user.individual.net>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Injection-Date: Wed, 18 Dec 2024 02:23:18 +0100 (CET)
Injection-Info: dont-email.me; posting-host="9ed5d2960e91ad91a8c092c667dd3279";
	logging-data="2099266"; mail-complaints-to="abuse@eternal-september.org";	posting-account="U2FsdGVkX19t5wq2TKT5JFtqa1bY43Uw"
User-Agent: Pan/0.161 (Chasiv Yar; )
Cancel-Lock: sha1:yENo+5S7N+cTwT+bwmJyotP+wbQ=
Bytes: 1783

On Tue, 17 Dec 2024 13:34:30 +0000, Geoff Clare wrote:

> With a pipe or FIFO, you just use simple read and write operations and
> the system handles all the messy stuff for you. If the pipe reaches
> capacity, write blocks until there is room to write some more; if the
> pipe becomes empty, read blocks until there is more data available; when
> read returns EOF that's the end of the data.

Yup. Furthermore:

* When the last writer closes its end, any remaining read attempts get 
EOF.
* When the last reader closes its end, any remaining write attempts get 
“broken pipe”.