On 14 Jun 2013, at 06:40, Jens Alfke <j...@mooseyard.com> wrote: > > On Jun 13, 2013, at 2:17 PM, Rick Mann <rm...@latencyzero.com> wrote: > >> I'd like to be smarter about this in my own apps. Is there a test I can >> perform before accessing aliases I've stored, or an async way to open/read >> from files that won't block the main thread? > > It’s not opening or reading from the file that’s the slow part, it’s > resolving the alias, which happens first. (Aliases aren’t automatic or > transparent like symlinks; something has to explicitly recognize a file as an > alias and then resolve it to get the destination file’s location.) > > I know the alias APIs have changed in the last few years, and I don’t know > the new ones, but I’d imagine there is an async variant. Once you’ve resolved > the alias, you can open/read from the file as normal. If you think the actual > file I/O might still be too slow, you can do it on a background thread.
There's no async API. I filed a radar asking for this relatively recently and was recommended to shove such tasks onto the low priority GCD queue instead. _______________________________________________ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com