cygwin64: Issue with sigaddset

Richard Elberger rich@richelberger.com
Mon Feb 23 14:52:00 GMT 2015


Awesome ;)  Thanks so much I will keep a look out for it and verify on my end that the perl unit test works as expected.


> On Feb 23, 2015, at 7:42 AM, Corinna Vinschen <corinna-cygwin@cygwin.com> wrote:
> 
> 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.
>> 
>> It’s been far too many years since I’ve written C but the attached
>> code snippet to prove it (hopefully it proves it) … and running the
>> same “code” (I put that in quotes because it’s 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 they’re 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


--
Problem reports:       http://cygwin.com/problems.html
FAQ:                   http://cygwin.com/faq/
Documentation:         http://cygwin.com/docs.html
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple



More information about the Cygwin mailing list