2008/12/5 Jean-Daniel Dupas <[EMAIL PROTECTED]>: > > Le 5 déc. 08 à 16:00, Påhl Melin a écrit : > >> 2008/12/5 Benjamin Stiglitz <[EMAIL PROTECTED]>: >>>> >>>> I need to use timers in a low level library where I need to specify >>>> asynchronous callbacks to a timer function. I will not have any run >>>> loop so I cannot use NSTimer. Are there any low level timer API to use >>>> instead? I haven't found anything useful (yet) on google nor ADC. I >>>> assume there must exist some Mach or BSD level API:s that can be used? >>> >>> alarm(3) or setitimer(2). >> >> setitimer(2) could be used if I calculate the relative difference >> between multiple timer settings and resetting to the next interval >> after each signal. Some extra work but doable. When using multiple >> timers the alarms could possible start to drift I suppose. >> >> But I got the impression from Jean-Daniel Dupas, that kevent() with >> the timer filter EVFILT_TIMER is implemented even though the man page >> of kqueue(2) says "EVFILT_TIMER This filter is currently unsupported." >> >> Do you know from which OS X version kevent() timers are supported? Or >> if they are officially supported at all? >> > > They are commented out in 10.3.9 sources, and implemented in 10.4.0 sources. > I guess than man page has not been updated at this time.
Ah, great, thanks. Then it feels safe to use kevent:s . I'm considering to use Leopard as the minimum requirement anyway. / Påhl _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
