On Oct 7, 2016, at 2:19 AM, Gerriet M. Denkmann <g...@mdenkmann.de> wrote: > > I need (just for debugging purposes) to count something in a thread safe way. > […] > So I tried OSIncrementAtomic. > Now I get: "Implicit declaration of function 'OSIncrementAtomic' is invalid > in C99" and the linker fails, because it does not find it. > #import <libkern/OSAtomic.h> does not help at all.
These problems are all because you're using the wrong name. If you #import <libkern/OSAtomic.h> then you get the declaration of OSAtomicIncrement32() (among other things). Note this is not the name you tried (OSIncrementAtomic). If you use the right name, the compiler warning and linker error will go away. Regards, Ken _______________________________________________ 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
