From owner-freebsd-hackers  Mon Aug 26 16:41:26 2002
Delivered-To: freebsd-hackers@freebsd.org
Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id D8FAE37B417
	for <freebsd-hackers@freebsd.org>; Mon, 26 Aug 2002 16:41:23 -0700 (PDT)
Received: from salmon.maths.tcd.ie (salmon.maths.tcd.ie [134.226.81.11])
	by mx1.FreeBSD.org (Postfix) with SMTP id 1720B43E65
	for <freebsd-hackers@freebsd.org>; Mon, 26 Aug 2002 16:41:23 -0700 (PDT)
	(envelope-from iedowse@maths.tcd.ie)
Received: from gosset.maths.tcd.ie by salmon.maths.tcd.ie with SMTP
          id <aa72777@salmon>; 27 Aug 2002 00:41:22 +0100 (BST)
To: Dominic Marks <dominic_marks@btinternet.com>
Cc: freebsd-hackers@freebsd.org
Subject: Re: kevent and pipes interaction on 4.6-STABLE 
In-Reply-To: Your message of "Mon, 26 Aug 2002 23:58:51 BST."
             <20020826225851.GA93947@gallium> 
Date: Tue, 27 Aug 2002 00:41:21 +0100
From: Ian Dowse <iedowse@maths.tcd.ie>
Message-ID:  <200208270041.aa72777@salmon.maths.tcd.ie>
Sender: owner-freebsd-hackers@FreeBSD.ORG
Precedence: bulk
List-ID: <freebsd-hackers.FreeBSD.ORG>
List-Archive: <http://docs.freebsd.org/mail/> (Web Archive)
List-Help: <mailto:majordomo@FreeBSD.ORG?subject=help> (List Instructions)
List-Subscribe: <mailto:majordomo@FreeBSD.ORG?subject=subscribe%20freebsd-hackers>
List-Unsubscribe: <mailto:majordomo@FreeBSD.ORG?subject=unsubscribe%20freebsd-hackers>
X-Loop: FreeBSD.ORG

In message <20020826225851.GA93947@gallium>, Dominic Marks writes:
>+static int kq = -1;
>+    int kq, rv, idx;
>kevent(0x3,0xbfbfedbc,0x1,0x0,0x0,0x0)           = 0 (0x0)
>kevent(0x809abc0,0x0,0x0,0xbfbfede0,0x8,0x0)     ERR#9 'Bad file descriptor'

Look at the above 4 lines, and it is pretty clear what is going on.
You don't want to hide the global `kq' behind an uninitialised local
variable of the same name.

Ian

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-hackers" in the body of the message