* Dan Eischen <[EMAIL PROTECTED]> [011204 06:26] wrote:
> There are already cancellation tests when resuming threads
> whose contexts are not saved as a result of a signal interrupt
> (ctxtype != CTX_UC). You shouldn't test for cancellation when
> ctxtype == CTX_UC because you are running on the scheduler
> stack, not the threads stack.

That makes sense, but why?

>                                  You also have a bug in the
> way you changed the check for cancellation flags.


> There only clean way to fix this is to add a return frame
> to the interrupted context so that it can check for cancellation
> (and other things) before returning to the threads interrupted
> context.

No way to work around this?  Shouldn't the thread exit library
know which stack exactly to clean up even in the context of a 
signal handler?

-Alfred Perlstein [[EMAIL PROTECTED]]
'Instead of asking why a piece of software is using "1970s technology,"
 start asking why software is ignoring 30 years of accumulated wisdom.'

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