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Re: [gpsd-dev] [PATCH] Use pselect() to reduce wakeups and avoid race co
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From: |
Greg Troxel |
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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 10:17:45 -0500 |
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User-agent: |
Gnus/5.110018 (No Gnus v0.18) Emacs/23.3 (berkeley-unix) |
"Eric S. Raymond" <address@hidden> writes:
>> Greg Troxel <address@hidden>:
>> But, pselect is specified by posix:
>>
>> http://pubs.opengroup.org/onlinepubs/009695399/functions/select.html
>>
>> and is available in NetBSD 5 (perhaps earlier) and FreeBSD from 2002
>> (and also in OS X 10.7, with the same FreeBSD man page), so I don't see
>> any issue in relying on it.
>
> Er, openbsd. pselect() only would be a crash landing for Chris Kuethe.
Indeed - sorry, I didn't mean to leave that out, I just didn't have it
handy to check.
> It's not a problem, though. pselect() is easy to check for; the
> autonfiguration in scons took me a whole 3 minutes to write, and
> keeping the select() code path adds only a very little complexity.
> The work Mike Frysinger and are are doing on cleaning up the
> signal handling should reduce that increment.
Certainly using it when present and coping without is totally
reasonable.
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- Re: [gpsd-dev] [PATCH] Use pselect() to reduce wakeups and avoid race conditions, (continued)
- 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, 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, Eric S. Raymond, 2012/01/14
- Re: [gpsd-dev] [PATCH] Use pselect() to reduce wakeups and avoid race conditions,
Greg Troxel <=
- 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