Bug#684290: libapache2-mod-perl2: SizeLimite requires Linux::Pid

[Damyan Ivanov]

-=| Dean Hamstead, 10.08.2012 21:06:47 +1000 |=-
> Im not sure either way. I just wanted to bring the error to your
> attention.

Sorry, my plead was targeted more to the other maintainers. Adding 
debian-perl mailing list for broader reach. Previous mails quoted 
below.

> On 2012-08-10 20:30, Damyan Ivanov wrote:
> >-=| Dean Hamstead, 08.08.2012 13:34:33 +0000 |=-
> >>Package: libapache2-mod-perl2
> >>Version: 2.0.7-1
> >>Severity: normal
> >>
> >>pretty straight forward, Linux::pid is needed but doesnt seem to
> >>exist in debian.
> >>
> >>root at webgui:~# perl -e 'use Apache2::SizeLimit'
> >>You must install Linux::Pid for Apache::SizeLimit to work on
> >>your platform. at /usr/lib/perl5/Apache/SizeLimit/Core.pm line
> >>128.
> >>BEGIN failed--compilation aborted at
> >>/usr/lib/perl5/Apache/SizeLimit/Core.pm line 171.
> >
> >I wonder if packaging Linux::Pid is the right way to go. Its tests
> >say:
> >t/threaded.t .. 1..9
> >ok 1 - use Linux::Pid;
> >ok 2 - $pid defined
> >ok 3 - $ppid defined
> >ok 4 - $pid2 defined
> >ok 5 - $ppid2 defined
> >ok 6 - $pid non null
> >ok 7 - $pid2 non null
> >ok 8 # skip thread model is NPTL 2.13
> >#
> >ok 9 # skip thread model is NPTL 2.13
> >#
> >ok
> >
> >So it seems that the reason for Linux::Pid's existence is not really
> >useful.
> >
> >Some (perhaps naive)  testing shows this:
> > $ perl -Mthreads -MPOSIX=getppid,getpid -Mfeature=say -Mstrict -we
> >say "$$ ".POSIX::getppid()." ".POSIX::getpid(); threads->create(sub
> >{say "T: $$ ".POSIX::getppid()." ".POSIX::getpid()})->join;'
> > 31523 4122 31523
> > T: 31523 4122 31523
> >i.e. PID and PPID don't change in the thread. I guess this is why
> >Apache2::SizeLimit wants Linux::Pid, but it seems that the tests
> >suggest it won't be useful either. Indeed, commenting the conditional
> >skip makes the tests fail.
> >
> >Any suggestions?
> 
> 
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