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Date: Mon, 30 Dec 2002 11:52:15 +0100
From: Alex Riesen <alexander.riesen@synopsys.COM>
To: Folkert van Heusden <folkert@vanheusden.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: EINTR
Message-ID: <20021230105215.GA26221@riesen-pc.gr05.synopsys.com>
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Folkert van Heusden, Sun, Dec 29, 2002 00:37:34 +0100:
> Hi,
> 
> I always thought: you should always check for errno==EINTR when doing
> read/write/recv/recvfrom/sendto.
> But today I heard that when using Linux, EINTR does NEVER occur when
> doing read/etc. on files.
> Is this true?

It was definitely true for 2.4.9.
Even on NFS mounted files.
What happen if the volumes mounted with intr, btw?

> And also: is this also true for sockets? and recv & friends?

No. You _have_to_ check EINTR for sockets, fifos, and pipes.

-alex
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