Re: cygwin64: Issue with sigaddset

[Corinna Vinschen <corinna-cygwin at cygwin dot com>]

Hi Richard,

On Feb 21 16:17, Richard Elberger wrote:
> Hello,
> 
> I found this while trying to compile perl 5.20.1 on latest cygwin64
> (just updated yesterday).
> 
> Effectively, sigaddset is adding a signal along these lines.  If
> signal x is less than 32, then two signals are added: x and x+32.  If
> signal x is greater than 32, then again two signals are added, x and
> x-32.
> 
> Itâs been far too many years since Iâve written C but the attached
> code snippet to prove it (hopefully it proves it) â and running the
> same âcodeâ (I put that in quotes because itâs like preschool C) on
> any Linux works as expected - just adding the one signal.
> 
> This is causing the sigset.t test for the POSIX module in perl core to
> fail.  There are a ton of other failures in testing 5.20.1 core but
> hopefully theyâre not all cygwin related like this one.

Thanks a lot for the testcase.  I fixed the problem (an int overflow
computing a bit mask) in CVS.  I'll generate a developer snapshot on
https://cygwin.com/snapshots/ and probably another Cygwin 1.7.35 test
release soon.  Both will contain that patch.


Thanks,
Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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