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Date: Wed, 5 Dec 2001 20:11:23 -0500 (EST)
From: Alexander Viro <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Subject: /bin/sleep use of pthreads
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Package: shellutils
Version: 2.0.11-11
Sigh... sleep(1) liks against librt (and thus - libpthread)
Reason: it wants clock_gettime() since it wants sub-microsecond accuracy
for current time.
* timeslice granularity is significantly less than that
* time spent entering and exiting sleep(1) is significantly more
than that
* time spent before parent sees SIGCLD is significantly more than
that
* sleep(1) argument is in seconds, ferchrissake! If we really
want sub-microsecond accuracy we would need (aside of turning the kernel
into RT one and making sure that sleep(1) is locked in core) an argument
with comparable precision.
Please, remove that bogosity.
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Date: Sun, 13 Feb 2005 07:17:26 -0500
From: Michael Stone <[EMAIL PROTECTED]>
To: Jim Meyering <[EMAIL PROTECTED]>
Cc: Vassilii Khachaturov <[EMAIL PROTECTED]>,
[EMAIL PROTECTED]
Subject: Re: Processed: it's a wishlist, although a very reasonable one
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On Sun, Feb 13, 2005 at 11:59:46AM +0100, Jim Meyering wrote:
>I interpret this part of the bug report
>(remember that it was against an older version of sleep
>that still accepted only integer number of seconds):
>
> * sleep(1) argument is in seconds, ferchrissake! If we really
> want sub-microsecond accuracy we would need (aside of turning the kernel
> into RT one and making sure that sleep(1) is locked in core) an argument
> with comparable precision.
>
>as saying that sleep should accept a higher-resolution (e.g., floating point)
>description of the requested sleep interval.
I interpret that as saying that allowing subseconds in sleep is useless
bloat because a shell script can't achieve that level of accuracy
anyway. I tend to agree, but I'm not going to make the debian sleep fork
from upstream if you're convinced it's a good idea.
Mike Stone
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