[debhelper-devel] Bug#797904: Bug#797904: Bug#797904: debhelper manpage: #DEBHELPER# in Perl: bad error handling

[Peter Pentchev]

On Sun, Sep 06, 2015 at 11:36:00AM +0200, Niels Thykier wrote:
> On 2015-09-06 11:19, Jakub Wilk wrote:
> >> my $signal = $? & 0xff;
> > 
> > This is almost right. :) You need only 7 bits to get the signal number.
> > The eighth bit is on iff core was dumped:
> > 
> > $ ulimit -c unlimited
> > $ perl -E 'system("kill -11 \$\$"); say $? & 0xff, ", ", $? & 0x7f'
> > 139, 11
> > 
> 
> Thanks, corrected. :)

Hm, this is a personal pet peeve, feel free to ignore it :) ...but it
does make me cringe a little bit every time people parse the wait()
status code directly instead of using WIFEXITED(), WEXITCODE() and
friends...  Yes, I know that the Linux and FreeBSD kernels do it this
way, up to and including the 0x80 core flag, but still I like to think
that these macros are there for a reason :)

G'luck,
Peter

-- 
Peter Pentchev  roam at ringlet.net roam at FreeBSD.org pp at storpool.com
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