centos man page for function::sid

FUNCTION::SID(3stap)						 Context Functions					      FUNCTION::SID(3stap)

NAME
       function::sid - Returns the session ID of the current process

SYNOPSIS
	   sid:long()

ARGUMENTS
       None

DESCRIPTION
       The session ID of a process is the process group ID of the session leader. Session ID is stored in the signal_struct since Kernel 2.6.0.

SystemTap Tapset Reference					     June 2014						      FUNCTION::SID(3stap)