> On Oct 19, 2016, at 2:29 PM, Steve Christensen <puns...@mac.com> wrote: > > The only difference between your code and mine is that you haven't > initialized onceToken = 0 so it has a random value. > > I looked around to see if that makes a difference and didn't get much > confirmation one way or another. One by Mike Ash > (https://www.mikeash.com/pyblog/friday-qa-2014-06-06-secrets-of-dispatch_once.html) > mentions, "Note that dispatch_once_t is just a typedef for long, initialized > to zero, and with the meaning of other values left up to the implementation."
No difference. C static storage with no initializer is always initialized to zero. -- Greg Parker gpar...@apple.com <mailto:gpar...@apple.com> Runtime Wrangler _______________________________________________ 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