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

Justin T. Gibbs reviewboard at asterisk.org
Tue Mar 10 23:31:38 CDT 2015



> On March 10, 2015, 1:26 p.m., Ed Hynan wrote:
> > /trunk/res/res_timing_kqueue.c, line 240
> > <https://reviewboard.asterisk.org/r/4465/diff/1/?file=71888#file71888line240>
> >
> >     Portability: at least EVFILT_USER and NOTE_TRIGGER are not defined on all kqueue(2) systems.

Which platforms are you referring to?  OS-X added support in 10.6.  Why they haven't updated their man pages is anyones guess:

http://www.opensource.apple.com/source/xnu/xnu-1699.24.23/tools/tests/xnu_quick_test/kqueue_tests.c


- Justin


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On March 9, 2015, 6:21 p.m., Justin T. Gibbs wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviewboard.asterisk.org/r/4465/
> -----------------------------------------------------------
> 
> (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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