Timers can only fire when your app is running in the run loop mode that they are part of. You can investigate alarm(3) and setitimer(3), but I don't know how much more accurate they will be. Mac OS X is not a real-time OS.
—Jeremy On Thu, Apr 23, 2009 at 12:31 AM, M Pulis <tooth...@fastq.com> wrote: > Expect the same here. I believe they are not guaranteed for accuracy... > from Apple: > > "Because of the various input sources a typical run loop manages, the > effective resolution of the time interval for a timer is limited to on the > order of 50-100 milliseconds." > > Reference google for NSTimer class reference. > > gary > > > > > On Apr 22, 2009, at 9:19 PM, Eric E. Dolecki wrote: > > I'm wondering generally how accurate timers can be expected to be. Are >> they >> generally accurate within a few ms depending on what else is going on in >> an >> application? Is threading an answer to most accurate timing? Just curious >> here. I'm coming from another language where timers can be off fairly >> significantly depending on drawing activity. >> Eric >> _______________________________________________ >> >> 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/toothpic%40fastq.com >> >> This email sent to tooth...@fastq.com >> > > _______________________________________________ > > 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/jeremyw.sherman%40gmail.com > > This email sent to jeremyw.sher...@gmail.com > _______________________________________________ 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 arch...@mail-archive.com
