So type-3 or type-4 is the same nowdays?

-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf Of 
Edward Jaffe
Sent: Thursday, December 21, 2006 11:07 PM
To: [email protected]
Subject: Re: Question about SVC 109

Lindy Mayfield wrote:
> The doc above says specifically:
> ESR (type 4) SVC - is type 2
>
> But I didn't quite understand that.  Seems SVC 109 is a type-2 that only 
> calls type-4 SVC's, but that doesn't quit jive for me (yet).  That was my 
> question. (-:
>   

SVC 109 is a type-2 standard SVC routine that performs routing for 
type-3 or type-4 extended SVC routines.

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