NPTL and Wine threads
Luke Kenneth Casson Leighton
lkcl at lkcl.net
Tue Feb 1 10:38:22 CST 2005
On Tue, Feb 01, 2005 at 06:56:57AM -0800, Dan Kegel wrote:
> Luke Kenneth Casson Leighton wrote:
> >>>there is some code in FreeDCE which expects to be able to jump out
> >>>of a cancellation handler
> >>
> >>Then FreeDCE should be fixed to be POSIX-compliant, I think.
> >>Or is there something subtle going on here?
> >
> >
> > the behaviour of LinuxThreads is different from NPTL.
> >
> > therefore, given that this cancellation thing matters for dce
> > applications (the runtime relies on it being possible) i thought
> > you might wish to be aware of this subtle difference in case
> > Wine MSRPC or other applications also rely on it.
> >
> > that's all - nothing more.
>
> Right. Nothing subtle, then. I guess FreeDCE needs some
> work to run on NPTL or other POSIX-compliant threads packages,
*sigh*. yes. depends on your version of POSIX (final or draft 4).
loic is working on keeping dcethreads "current", at least.
there are approx 350 occurrences of pthread_somethingorother in
FreeDCE, so it's not a trivial task, more's the pity.
> as it's using Linuxthreads behavior that is an extension of POSIX threads.
> (Surely FreeDCE doesn't *need* to longjmp out of a cancellation handler;
it's the dcethreads (posix draft 4) emulation library that
handles that, from what i can gather.
> it can't be that hard to fix.) Thanks for the heads up.
ack.
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