Origins of nameless semaphores and Apple's non-support thereof

[David Griffith]

I recently tripped over the fact that MacOS does not support nameless 
POSIX semaphores.  When attempting to use them, I get a complaint that 
they're deprecated.  I can't fathom why Apple would do that.  I found this 
post explaining it, albeit not very well: 
https://lists.apple.com/archives/darwin-kernel/2009/Apr/msg00010.html. 
It seems that Apple yanked out support, but elsewhere 
(https://intfiction.org/t/macos-frotz-users/41553/5) I'm told that Apple 
did it because BSD 4.4 didn't implement them.  I was fairly sure that it 
did.  Does anyone have a more satisfying answer?


-- 
David Griffith
dave at 661.org

A: Because it fouls the order in which people normally read text.
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