From owner-cvs-all  Tue Nov 30  9:43:34 1999
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Date: Tue, 30 Nov 1999 09:43:12 -0800 (PST)
From: Matthew Dillon <dillon@apollo.backplane.com>
Message-Id: <199911301743.JAA26004@apollo.backplane.com>
To: Nick Hibma <hibma@skylink.it>
Cc: "Andrey A. Chernov" <ache@FreeBSD.ORG>,
	Soren Schmidt <sos@freebsd.dk>,
	CVS Committers FreeBSD <cvs-committers@FreeBSD.ORG>,
	cvs-all@FreeBSD.ORG, "Louis A. Mamakos" <louie@TransSys.COM>
Subject: Re: cvs commit: src/usr.sbin/moused moused.c
References:  <Pine.BSF.4.20.9911301113510.1435-100000@henny.jrc.it>
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:On Tue, 30 Nov 1999, Andrey A. Chernov wrote:
:
:Argh!
:
:
:        /*  mouse event  */
:-       if (read(rodent.mfd, &b, 1) == -1);
:+       if (read(rodent.mfd, &b, 1) == -1)
:                return;         /* file seems to be closed on us */
:
:Sorry about that, folks. Committed the change below. EWOULDBLOCK cannot
:occur as we did a select waiting for data to become available.

    You *cannot* depend on this.  There are a number of situations where
    select() can return prematurely (for example, due to a signal), and even
    situations where select() can return a ready descriptor that is not ready
    (as bde mentioned).

					-Matt
					Matthew Dillon 
					<dillon@backplane.com>


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