Well, I have used the SHTDN for many years in APPC and Data Queue 
programs that start with the subsystem and run until the subsystem ends, 
or the communication link fails. 

  Now the problem is that the ILE/C compiler, for some reason ??, does
not support the signal processing necessary to do the same simple 
processing in TCP/IP and other ILE/C based code.

        Jeff Silberberg
        CompuDesigns, Inc.

On Wed, 15 Oct 1997, David Gibbs wrote:

> > Just watch out for applications that are sensitive to being shut down hard
> > (incomplete updates, etc.). 
> 
> There *IS* a way for a program to detect that the subsystem is in shutdown
> mode... I think it's the RPG SHTDN opcode... if that operation turns on the
> specified indicator, a program is *SUPPOSED* to do a graceful exit.  I have
> yet, however, to see a program that actually does this.  
> 
> david
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