RE: dlfcn.h - dynamic linking

Hi Phil

Unfortunately, the standard POSIX shared library handling routines dlopen(),
dlsym(), and dlclose() are not provided on iSeries to deal with Service
Programs. Instead, you need to deal with complicated APIs, and if you want
to unload service programs, you will need to put them in their own
activation groups so you can "destroy" them without affecting the rest of
your application.

There is a fabulous article, "AS/400 DLLs In-Depth: Fast and Flexible
Dynamic Calls" by Scott N Gerard, including sample source code, on the
iSeries network (www.iseriesnetwork.com) that explains how to treat iSeries
service programs like Windows DLLs (or POSIX shared libraries). From what I
recall, the code may not work exactly as is, but you should be able to work
your way through any issues.

To find the article, simply go to their website, and enter article id 1990
into the box in the top right-hand corner.

Good luck!

Cassie



-----Original Message-----
From: sublime78ska@attbi.com [mailto:sublime78ska@attbi.com]
Sent: Tuesday, October 01, 2002 6:30 AM
To: c400-l@midrange.com
Subject: [C400-L] dlfcn.h - dynamic linking


I am searching for another header file - dlfcn.h (dynamic
linking.)

I've found a lot of documentation on the internet but
none of it references the as400.

Does anyone know if this is supported on the as400?

Thanks,

Phil
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