On Dec 12, 2003, at 12:59 PM, Jim Magee wrote: They sit on top of pthreads. So, an NSThread can call pthread functions without worry. Whew. That's good to know. PS: The ABI questions are best answered by others. However, there is Mach-O ABI documentation on the http://developer.apple.com website that you should definitely take a look at. Yes, I've read through the Mach-O Runtime Architecture manual, but this only gives a discussion of Mach-O PPC runtime semantics, not Mach-O i386 semantics. Thanks for the all the help, Andrew _______________________________________________ darwin-kernel mailing list | darwin-kernel@lists.apple.com Help/Unsubscribe/Archives: http://www.lists.apple.com/mailman/listinfo/darwin-kernel Do not post admin requests to the list. They will be ignored.