Gordon Messmer <[EMAIL PROTECTED]> writes:
> Well, if the errno is coming from a different thread, then OS X, unlike
> most POSIX OS's, probably doesn't have a separate errno for each thread
> (which sorta sucks.  a lot).  Under Linux, for instance, "errno" is a
> macro which locates the current thread's errno, and returns its value.


On Darwin, there's a separate instance of errno for each thread and a
global errno. 

look at http://web.mit.edu/darwin/src/modules/Libc/sys/errno.h



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