> So you are saying that setup_frame() should reserve enough signal
> stack-space to use the default handler if the signal stack grows
> beyond limits? Let's look at the case of root where there is no
> getrlimit set.
No. The default action for SEGV (the signal we are interested here),
is to drop core. This doesn't require any user-stack space (just a call
to do_exit()).
Mark
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