PC routines are not supposed to issue SVCs as I understand it.
However, WTO and WAIT work (for me, in my single user environment).
Has the PC - no SVC restriction been relaxed, or opened up to particular SVC 
types?

Also, a PC routine issuing a WAIT ecb,LINKAGE=SYSTEM  also works.  This WAIT 
issues a PC call itself, and PCs can call other PCs.

Nonetheless, is issuing  WAIT ecb,LINKAGE=SYSTEM  from a PC playing with fire?  
BTW, Key zero is not required.

[This PC creates a couple of Name-Tokens to communicate with another address 
space, then WAITs.  The other address space invokes a IEAMSXMP = Safe 
cross-memory Post = service to end the WAIT.]

Thanks -
Richard Zierdt

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