2008/12/4 Jean-Daniel Dupas <[EMAIL PROTECTED]>:
> If you want to avoid Cocoa, Cocoa-dev is probably not the best mailing list
> to ask.
> You will have more chance on darwin-dev.
I don't want to avoid Cocoa, but I just haven't found any Cocoa class
that supports timers without a run loop. But maybe I need to switch to
darwin-dev.
> What do you mean by "low-leve" ? What prevent you to use NS classes ?
> Is this contraint preventing you to use CoreFoundation ? (which is
> low-level IMHO).
Nothing prevents me from using NS classes per se. I will use the
timers in a C++ class and want to get a callback to a normal
function—not calling a selector on an Objective-C class that most NS
classes would do. And since it's supposed to be the lowest level of my
architecture I want it to be as efficient as possible.
The only problem I have is that I will run the timers on threads
without run loops so both NSTimer and CFRunLoopTimer (I didn't find
any reference information about CFTimer on ADC) are impossible to use.
> If you want lower level primitive, you can use kevent's timers, or if you
> want really low-level, there is a mach timer API, but I don't think it is
> considere public as the header cannot be found in /usr/include/mach
In the man page for kevent it says that kevent timers are not
supported ("EVFILT_TIMER This filter is currently unsupported."). I
just assumed that the man page was correct and haven't made any tests.
Are you sure kevent timers are implemented in Mac OS X? When it comes
to Mach timers I wouldn't dare to use that in a commercial product
since Apple seems to ask developers to keep away from Mach.
> Anyway, that's the API used in CoreFoundation for CFTimer and declared in
> mk_timer.h (see XNU sources for details). But I wont go this way in a
> shipping product.
Agree... I will keep away from any private API:s.
/ Påhl
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