-=| 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@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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