opscode/mixlib-shellout — pull request #57 by kaustubh-d (2014-08-27 17:32:39+00:00)
Title: aix getpgid fails when called from parent and parent and child have different session

aix - getpgid fails with EPERM when called from parent process and the parent and child have different session (man page also states this)
Fix is to create a new process group and have same session.