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    SubjectRe: Semaphores and threads anomaly and bug?
    Date
    On Tuesday 04 November 2003 17:29, Linus Torvalds wrote:
    > 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.

    Thanks.

    Could I possibly draw your attention to the other point I made about the
    updating of "sempid" which does seem to be a mistake to me?

    --
    John Collins Xi Software Ltd www.xisl.com
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