function::ns_pgrp - Returns the process group ID of the current process as seen in a pid namespace

       None

       This function returns the process group ID of the current process as seen in the target pid namespace if
       provided, or the stap process namespace.

       function::ns_pgrp - Returns the process group ID of the current process as seen in a pid namespace

tapset::context(3stap)

SystemTap Tapset Reference                         April 2024                           FUNCTION::NS_PGRP(3stap)

           ns_pgrp:long()