There is an ongoing outage on the primary CPAN mirror. It is possible to work around the issue by using MetaCPAN as a mirror.

Revision history for Proc-PidChange
 
0.002     2012-08-20T13:57:12Z
        * Mention that POSIX::AtFork should be added to your prerequisites

0.001     2012-08-20T12:06:17Z
        * Initial release