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From: Bakul Shah <bakul@bitblocks.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] sleep(2) historical question
Date: Wed, 28 Nov 2012 11:54:32 -0800	[thread overview]
Message-ID: <20121128195432.E430BB827@mail.bitblocks.com> (raw)
In-Reply-To: Your message of "Wed, 28 Nov 2012 14:29:19 EST." <af511777e3d6f6c786784efc43886515@ladd.quanstro.net>

On Wed, 28 Nov 2012 14:29:19 EST erik quanstrom <quanstro@quanstro.net>  wrote:
>
> the only problem i see with just adding nsleep is it introduces a
> second time base, and potentially any time-based call (tsemacquire)
> would need to be doubled.  i would prefer for the end state to be
> 1 user space time base.  but the difficulty is getting there.  at the
> least, the syscall# would change.

If you want to maintain binary compatibility, new syscalls
would be needed. If you don't care, you can use wrapper
functions for lower precision calls.  Evolution is messy.



  reply	other threads:[~2012-11-28 19:54 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-27 23:19 erik quanstrom
2012-11-28  7:37 ` Charles Forsyth
2012-11-28 12:57   ` erik quanstrom
2012-11-28 13:10     ` Charles Forsyth
2012-11-28 13:30       ` erik quanstrom
2012-11-28 14:35         ` Charles Forsyth
2012-11-28 14:46           ` erik quanstrom
2012-11-28 18:58         ` Bakul Shah
2012-11-28 19:10           ` Charles Forsyth
2012-11-28 19:28             ` erik quanstrom
2012-11-28 18:56               ` cinap_lenrek
2012-11-28 19:38             ` Bakul Shah
2012-11-28 20:58               ` Charles Forsyth
2012-11-28 21:02                 ` erik quanstrom
2012-11-28 21:13                   ` Charles Forsyth
2012-11-28 21:19                     ` erik quanstrom
2012-11-28 21:21                     ` erik quanstrom
2012-11-28 21:43                 ` Bakul Shah
2012-11-29  0:12                   ` Charles Forsyth
2012-11-29  8:12                   ` arnold
2012-11-29  9:19                     ` Charles Forsyth
2012-11-29 15:17                       ` erik quanstrom
2012-11-28 19:27           ` David Arnold
2012-11-28 21:12             ` Charles Forsyth
2012-11-28 19:29           ` erik quanstrom
2012-11-28 19:54             ` Bakul Shah [this message]
2012-11-28 19:57               ` erik quanstrom

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