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getpid in Mac Os X [message #39789]

Fri, 11 June 2004 06:53

Miguel Angel Cordoba is currently offline

Miguel Angel Cordoba
Messages: 13
Registered: April 2004

Junior Member

Hi,
I want to get the process identification (pid) of my IDL. In
Linux I get the pid calling:

pid=CALL_EXTERNAL('/usr/lib/i686/libc.so.6','getpid')

but this library doesn't exist in Mac Os X. I had probed with
the '/usr/lib/libc.dylib' but didn't work. Any ideas?

IDL>pid=CALL_EXTERNAL('/usr/lib/libc.dylib','getpid')
% CALL_EXTERNAL: Error loading sharable exectuble.
Symbol: getpid, FILE=/usr/lib/libc.dylib
not a Mach-O MH-BUNDLE file type

Thanks a lot.

--
_________________________________________________________
Miguel Angel Cordoba
---------------------------------------------------------
Grup de Recerca Aplicada en Hidrometeorologia (GRAHI-UPC)
http://www.grahi.upc.es
---------------------------------------------------------
Centre membre de la Xarxa d'Innovacio Tecnologica XIT
http://www.cidem.com/xarxait
_________________________________________________________

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Re: getpid in Mac OS X [message #39885 is a reply to message #39789]

Tue, 15 June 2004 09:22

MKatz843
Messages: 98
Registered: March 2002

Member

> Any ideas?. Thank you.

Here's what I do. Every time I run IDL, I run a startup procedure that
sets certain system variables and such. You can create a !PID system
variable.

1) As IDL is starting up, use the methods outlined previously to find
all IDL PIDs.
2) Choose the highest numbered PID and assign that to !PID

Then for the duration of your IDL session, each IDL job will know its
own PID.

M. Katz

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