How to get the an IDL session's own process ID (PID)?

Here are approaches for getting an IDL session's own process ID or PID.

WINDOWS

Issue the following IDL CALL_EXTERNAL command to call into Windows kernel32.dll.

ProcessID = StrTrim(Call_External('kernel32.dll', 'GetCurrentProcessId'), 2)

Print, ProcessID

LINUX and MAC

Issue the following IDL commands to get the IDL session's process ID.

Spawn, 'cat', PID=pid, UNIT=unit, /NOSHELL

Spawn, 'ps -o ppid= ' + StrTrim(pid,1), ProcessID

Free_Lun, unit

Print, ProcessID

 

Written by JU & approved by BC (24 Oct 2018)