Messages in this thread | | | Date | Tue, 4 Nov 2003 09:29:49 -0800 (PST) | From | Linus Torvalds <> | Subject | Re: Semaphores and threads anomaly and bug? |
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On Tue, 4 Nov 2003, John M Collins wrote: > > I know this isn't defined anywhere but the seems to be an ambiguity and > discrepancy between versions of Unix and Linux over threads and semaphores. > > Do the "SEM_UNDO"s get applied when a thread terminates or when the > "whole thing" terminates?
It's entirely up to you. That's what CLONE_SYSVSEM is supposed to determine.
However, CLONE_SYSVSEM is fairly recent, and I think you will need to use the new threading libraries to see it.
Linus
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