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Date:      Sat, 15 Feb 2003 23:56:50 +0100
From:      "Simon 'corecode' Schubert" <corecode@corecode.ath.cx>
To:        Bruce Evans <bde@zeta.org.au>
Cc:        Alexander@Leidinger.net, current@FreeBSD.ORG, phk@FreeBSD.ORG
Subject:   Re: Do we still have a FIFO / named pipe problem?
Message-ID:  <20030215235650.6b140807.corecode@corecode.ath.cx>
In-Reply-To: <20030210033714.O1731-100000@gamplex.bde.org>
References:  <20030209170616.2e4e3635.Alexander@Leidinger.net> <20030210033714.O1731-100000@gamplex.bde.org>

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Lately Bruce Evans wrote:

> This change makes such opens bogusly time out after 1 second (unless
> there is already a writer).
> 
> There seems to be a race in fifo_open(): opens for read don't
> terminate the wait if the reader goes away before the opener looks.
> It is not clear if sendmail is affected by this race or one of its
> own.
> 
> Untested fix for this and rev.1.79, and for a similar race in blocking
> opens of named pipes for reading:

fixes issues with apsfilter manual duplexing for me. could somebody
please commit this patch?

cheers
  simon

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