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Date:      Tue, 13 Aug 2002 01:52:41 +0400 (MSD)
From:      "."@babolo.ru
To:        ru@FreeBSD.ORG
Cc:        freebsd-bugs@FreeBSD.ORG
Subject:   Re: bin/37442 - patch for /bin/sleep
Message-ID:  <200208122152.BAA17214@aaz.links.ru>
In-Reply-To: <200208121740.g7CHe38K068767@freefall.freebsd.org> from "Ruslan Ermilov" at "Aug 12, 2 10:40:03 am"

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Ruslan Ermilov writes:
> The following reply was made to PR bin/37442; it has been noted by GNATS.
> 
> From: Ruslan Ermilov <ru@FreeBSD.org>
> To: Edwin Groothuis <edwin@mavetju.org>
> Cc: bug-followup@FreeBSD.org
> Subject: Re: bin/37442 - patch for /bin/sleep
> Date: Mon, 12 Aug 2002 20:38:29 +0300
> 
>  On Mon, Aug 12, 2002 at 09:04:20PM +1000, Edwin Groothuis wrote:
>  > Greetings,
>  > 
>  > "Why me" is what you ask yourself now probably. Mostly because you
>  > are the one who made the last changes to sleep.c... nearly three
>  > years ago :-/
>  > 
>  > Could you have please a look at PR bin/37442?
>  >     (http://www.freebsd.org/cgi/query-pr.cgi?pr=bin/37442)
>  > 
>  > The PR is about a small change in sleep which allows the usage of
>  > multipliers: So that 10m is 10 minutes, 3h is three hours and 4d
>  > is four days.
>  > 
>  > It doesn't break any current script-usages, it only adds extra
>  > flexibility for people who want to use it.
>  > 
>  POSIX.1-2001 clearly documents the sleep(1)'s SYNOPSIS:
>  
>  : SYNOPSIS
>  :             sleep time
>  
>  And requires that:
>  
>  : DESCRIPTION
>  :             The sleep utility shall suspend execution for at least
>  :             the integral number of seconds specified by the time
>  :             operand.
>  
>  We are currently "compatible" with POSIX in that we don't violate it
>  (POSIX allows the implementation to support more fine-grained sleep,
>  just does not require it to).
>  
>  If we make the change you propose, we will become incompatible with
>  POSIX, as the latter requires ``sleep 10m'' to sleep for "at least
>  10 seconds".
As far as I understand any value bigger then 10s is "at least 10 seconds".
So 10m is "at least 10 seconds".
:-)
So, this IS compatible with POSIX

>  I will close the PR if you don't mind, pending your confirmation.
>  
>  
>  Cheers,
>  -- 
>  Ruslan Ermilov		Sysadmin and DBA,
>  ru@sunbay.com		Sunbay Software AG,
>  ru@FreeBSD.org		FreeBSD committer,
>  +380.652.512.251	Simferopol, Ukraine
>  
>  http://www.FreeBSD.org	The Power To Serve
>  http://www.oracle.com	Enabling The Information Age
> 
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> 


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