Register 15 contains a return code indicating
the success or failure of the request. Possible return codes (in decimal)
are:
0
The environment was activated and the routine called.
4
The function code is not valid.
8
CEEPIPI was called from a Language Environment-conforming
HLL.
12
The indicated environment was initialized for main routines. No
routine was executed.
16
The token is not valid.
20
The index points to an entry that is not valid or empty.
24
The index passed is outside the range of the table.
28
The enclave was terminated but the process level persists.
This
value indicates the enclave was terminated while the process was retained.
This can occur due to a STOP statement being issued or due to an unhandled
condition. The sub_ret_code, sub_reason_code, and
sub_feedback_code indicate
this action.
40
The subprogram was an XPLINK program
and the preinitialized environment is non-XPLINK. This
is not valid.