unwind question

[Dietmar Maurer]

On Thu, 2002-11-21 at 21:06, Martin v. Loewis wrote:
> Dietmar Maurer <dietmar@ximian.com> writes:
> 
> > Can someone explain the big difference between async an sync signals
> > (concerning exception tables)?
> 
> I can't explain the precise details, but according to the
> documentation, for asynchronous signals, the register tables are precise to
> the instruction level. 
> 
> There is no such thing as synchronous signals - the opposite of
> supporting async signals is to not support them (POSIX signals are
> always asynchronous).

I meant SIGSEGV vs. SIGUSR1 for example.