Hi
Thank you for everybody, now I tend to implement the key0 suggestion,
with
all the possible cheks.
Still not clear why would not work with ATTACHX KEY=NINE
The book says:
1. Storage-protection override can be used to improve reliability in the
case when a possibly erroneous application program is executed in
conjunction with a reliable subsystem, provided that the application program
needs to access only a portion of the storage accessed by the subsystem. The
technique for doing this is as follows. The storage accessed by the
application program is given storage key 9. The storage accessed by only the
subsystem is given some other nonzero storage key, for example, key 8. The
application is executed with PSW key 9. The subsystem is executed with PSW
key 8 (in this example). As a result, the subsystem can access both the
key-8 and the key-9 storage, while the application program can access only
the key-9 storage.
I would need to access application storage from my KEY1 subsystem.
It is anothe question, if the shared memory access would work with KEY 9
storage.
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