From owner-freebsd-hackers@FreeBSD.ORG Mon Mar 31 16:47:05 2003 Return-Path: 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 2AFDF37B401 for ; Mon, 31 Mar 2003 16:47:05 -0800 (PST) Received: from digger1.defence.gov.au (digger1.defence.gov.au [203.5.217.4]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5E61E43F3F for ; Mon, 31 Mar 2003 16:47:03 -0800 (PST) (envelope-from Alex.Wilkinson@dsto.defence.gov.au) Received: from dsto-ms2.dsto.defence.gov.au (dsto-ms2.dsto.defence.gov.au [131.185.2.150]) by digger1.defence.gov.au with ESMTP id h310lP7U020996 for ; Tue, 1 Apr 2003 10:17:26 +0930 (CST) Received: from muttley.dsto.defence.gov.au (unverified) by dsto-ms2.dsto.defence.gov.au ; Tue, 1 Apr 2003 10:14:34 +0930 Received: from ednex501.dsto.defence.gov.au (ednex501.dsto.defence.gov.au [131.185.2.81])h310Vkh16286; Tue, 1 Apr 2003 10:01:46 +0930 (CST) Received: from squirm.dsto.defence.gov.au ([131.185.75.211]) by ednex501.dsto.defence.gov.au with SMTP (Microsoft Exchange Internet Mail Service Version 5.5.2653.13) id HC7B4JPH; Tue, 1 Apr 2003 10:01:43 +0930 Date: Tue, 1 Apr 2003 10:01:55 +0930 (CST) From: "Wilkinson,Alex" X-X-Sender: wilkinsa@squirm.dsto.defence.gov.au To: "Evan S." In-Reply-To: <200303311629.07310.evms@bu.edu> Message-ID: <20030401100112.D31575@squirm.dsto.defence.gov.au> References: <200303301558.01010.evms@bu.edu> <200303311629.07310.evms@bu.edu> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" cc: hackers@freebsd.org cc: Dag-Erling =?iso-8859-1?q?Sm=F8rgrav?= Subject: Re: jiffy. X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: Alex.Wilkinson@dsto.defence.gov.au List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 01 Apr 2003 00:47:05 -0000 erm...what are jiffies ? - aW Sorry; I'll be more specific. I'm porting a deadline-scheduler from Linux over to FreeBSD that determines deadines by using jiffies. For example, process 1's deadline is when jiffies=10 and so on. I just discovered the global variable 'ticks' which seems to suit my needs, is this correct?