[asterisk-dev] [Code Review] 4465: Update the kqueue timing module to conform to current timer API.

[Justin T. Gibbs]

> On March 10, 2015, 1:08 p.m., Joshua Colp wrote:
> > My immediate question for this is: How does this impact OSX? The timing module was originally written for both, do these changes work for both?

I haven't tested against OS-X, but it has had EVFILT_USER support since 10.6.


- Justin


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On March 9, 2015, 6:21 p.m., Justin T. Gibbs wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviewboard.asterisk.org/r/4465/
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> 
> (Updated March 9, 2015, 6:21 p.m.)
> 
> 
> Review request for Asterisk Developers.
> 
> 
> Bugs: ASTERISK-24857
>     https://issues.asterisk.org/jira/browse/ASTERISK-24857
> 
> 
> Repository: Asterisk
> 
> 
> Description
> -------
> 
> Update the kqueue timing module to conform to current timer API.
> 
> This fixes issues with using the kqueue timing source on Asterisk 13
> on FreeBSD 10.
> 
> res_timing_kqueue.c:
> 	Remove support for kevent64().  The values used to support Asterisk
> 	timers fit within 32bits and so can be handled on all platforms via
> 	kevent().
> 
> 	Provide debug logging for, but do not track, unacked events.  This
> 	matches the behavior of all other timer implementations.
> 
> 	Implement continuous mode by triggering and leaving active, a user
> 	event.  This ensures that the file descriptor for the timer returns
> 	immediately from poll(), without placing the load of a high speed
> 	timer on the kernel.
> 
> 	In kqueue_timer_get_max_rate(), don't overstate the capability of
> 	the timer.  On some platforms, UINT_MAX is greater than INTPTR_MAX,
> 	the largest integer type kqueue supports for timers.
> 
> 	In kqueue_timer_get_event(), assume the caller woke up from poll()
> 	and just return the mode the timer is currently in.  This matches
> 	all other timer implementations.
> 
> 	Adjust the test code now that unacked events are not tracked.
> 
> 
> Diffs
> -----
> 
>   /trunk/res/res_timing_kqueue.c 432637 
> 
> Diff: https://reviewboard.asterisk.org/r/4465/diff/
> 
> 
> Testing
> -------
> 
> Asterisk 13.2.0 on FreeBSD 10-stable: "timing test", pjsip incoming/outgoing calls, voicemail prompts and recordings.  All of the above failed without these changes.
> 
> 
> Thanks,
> 
> Justin T. Gibbs
> 
>

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