Re: Is there an API to "deactivate" an "active" service program?

[Nathan Andelin <nandelin@xxxxxxxxx>]

In the testing I've done so far, the service programs were created using
*caller activation group and alwrinz(*no), which are defaults for the
create command. The *caller activation group is essential in this case, for
performance reasons.

All the service programs in question follow a pattern, in that they all
implement the same procedures. For example:

on_init();    // an initialization event (i.e. for opening files, alloc
memory)

...

on_term();   // a termination event (i.e. for closing files, dealloc memory)

So although there may be some resources retained in the activation group,
others may be released, after a period of inactivity.

I plan on doing more testing, but I'm juggling a number of things, and may
not be able to report back in a timely manner.


On Tue, May 9, 2017 at 1:15 AM, D*B <dieter.bender@xxxxxxxxxxxx> wrote:

> - as far as I know, you can't deactivate a dedicated SRVPGM with an ACTGRP
> *caller
> - reloading should work the same as for activation by system (replace yes
> - shifting the active instance to QRPLOBJ and creating a new object)
> - *DEFER is not by far the same as dynamic load, some diffrences are:
> -- you can't controll reload after RCLACTGRP
> -- the relation to the SRVPGM has to be known at compiletime (e.g.: the
> SRVPGM can't be specified in a config file)
> -- you can't ensure to load a SRVPGM from the lib of the running programm
> (multiple instances of the same application and no controll over *LIBL)
>
> D*B
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