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Re: [gpsd-dev] [PATCH] Use pselect() to reduce wakeups and avoid race co
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From: |
Eric S. Raymond |
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Subject: |
Re: [gpsd-dev] [PATCH] Use pselect() to reduce wakeups and avoid race conditions |
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Date: |
Sat, 14 Jan 2012 02:03:38 -0500 |
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User-agent: |
Mutt/1.5.21 (2010-09-15) |
Mike Frysinger <address@hidden>:
> neat trick, but i wonder if we even have to bother. pselect() has been in
> the
> Linux kernel (and thus race free) for almost 6 years. the select() based
> code, while admittedly racy, isn't that big of a deal -- at worse, the code
> takes 1 second to respond. i think this is an acceptable trade off --
> install
> a kernel from the last 6 years, or suck it up ;).
I concur. It's a tiny race window, the consequences aren't horrible, and
given those circumstances I'd rather keep our code complexity down than
pull fancy tricks like the self-pipe hack.
--
<a href="http://www.catb.org/~esr/";>Eric S. Raymond</a>
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- [gpsd-dev] [PATCH] Use pselect() to reduce wakeups and avoid race conditions, Eckhart Wörner, 2012/01/13
- Re: [gpsd-dev] [PATCH] Use pselect() to reduce wakeups and avoid race conditions, Mike Frysinger, 2012/01/13
- Re: [gpsd-dev] [PATCH] Use pselect() to reduce wakeups and avoid race conditions, Eckhart Wörner, 2012/01/13
- Re: [gpsd-dev] [PATCH] Use pselect() to reduce wakeups and avoid race conditions, Mike Frysinger, 2012/01/13
- Re: [gpsd-dev] [PATCH] Use pselect() to reduce wakeups and avoid race conditions, Eckhart Wörner, 2012/01/13
- Re: [gpsd-dev] [PATCH] Use pselect() to reduce wakeups and avoid race conditions, Mike Frysinger, 2012/01/13
- Re: [gpsd-dev] [PATCH] Use pselect() to reduce wakeups and avoid race conditions, Håkan Johansson, 2012/01/14
- Re: [gpsd-dev] [PATCH] Use pselect() to reduce wakeups and avoid race conditions, Mike Frysinger, 2012/01/14
- Re: [gpsd-dev] [PATCH] Use pselect() to reduce wakeups and avoid race conditions,
Eric S. Raymond <=
- Re: [gpsd-dev] [PATCH] Use pselect() to reduce wakeups and avoid race conditions, Greg Troxel, 2012/01/14
- Re: [gpsd-dev] [PATCH] Use pselect() to reduce wakeups and avoid race conditions, Eric S. Raymond, 2012/01/14
- Re: [gpsd-dev] [PATCH] Use pselect() to reduce wakeups and avoid race conditions, Greg Troxel, 2012/01/14
- Re: [gpsd-dev] [PATCH] Use pselect() to reduce wakeups and avoid race conditions, Eckhart Wörner, 2012/01/14
- Re: [gpsd-dev] [PATCH] Use pselect() to reduce wakeups and avoid race conditions, Eric S. Raymond, 2012/01/14
Re: [gpsd-dev] [PATCH] Use pselect() to reduce wakeups and avoid race conditions, Dave Platt, 2012/01/13