Date: Tue, 30 Nov 1999 09:43:12 -0800 (PST) From: Matthew Dillon <dillon@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 Message-ID: <199911301743.JAA26004@apollo.backplane.com> 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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