Re: will v6r1 RPG support main procedure recursion?

[Barbara Morris <bmorris@xxxxxxxxxx>]

Joe Pluta wrote:
> Now, in order to make OO virtual machines work outside their sandbox, there
> are GC issues, which is why most folks don't do it.  At the most, they might
> let Java call their native non-Java functions (through JNI), but rarely vice
> versa.  In a rather stunning architectural achievement unlike any other
> operating system that I'm aware of, the i5/OS interface between RPG and Java
> has support to directly invoke Java methods, and thus there is a need to
> directly invoke the GC functions -- which IBM has provided and which Barbara
> has kindly shown in specific detail in other posts.

Joe, the calling from RPG to Java also uses JNI.  Without JNI, I think 
it would have been impossible for RPG to call Java methods.  It's 
possible to use JNI to call to/from Java on every platform that supports 
Java.  (Although it may involve nastier coding than RPG does.)

(You probably already know this; I think I might be misreading what you 
wrote.)