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After each execution of the &PPI verb, the &RETCODE and &ZFDBK system variables are set to indicate the success, or otherwise, of the request. &ZFDBK is the PPI return code, and the &RETCODE is returned by the &PPI verb. The following table shows the correlation between the values in these variables.
Note: For more information about &RETCODE and &ZFDBK, see the Network Control Language Programming Guide.
The following table shows the correlation between the &ZFDBK and &RETCODE system variables.
|
&ZFDBK |
&RETCODE |
|
|---|---|---|
|
00 |
00 |
The PPI request completed successfully |
|
04 |
04 |
The specified receiver is not active—the data buffer or generic alert has been queued |
|
10 |
00 |
The PPI facility is active and can be used |
|
14 |
00 |
The receiver program is active |
|
15 |
04 |
The receiver program is already inactive |
|
16 |
08 |
The receiver program is already active |
|
18 |
12 |
The receiver ECB is not zero |
|
20 |
12 |
Invalid request type |
|
22 |
12 |
The program issuing this request is not executing in primary addressing mode |
|
23 |
08 |
The user program is not authorized |
|
24 |
12 |
PPI is not active |
|
25 |
12 |
The ASCB address is not correct |
|
26 |
08 |
The receiver program is not defined |
|
28 |
12 |
This product release does not support PPI |
|
30 |
04 |
No data buffer in the receiver buffer queue |
|
|
20 |
&PPI RECEIVE WAIT=NOTIFY—no data buffers in queue, notify is queued |
|
31 |
12 |
The receiver data buffer length is too short to receive the next data buffer |
|
32 |
12 |
No storage is available |
|
33 |
12 |
Invalid buffer length |
|
35 |
08 |
The receiver buffer queue is full |
|
36 |
12 |
Unable to establish ESTAE protection as requested |
|
40 |
12 |
Invalid sender ID or receiver ID |
|
90 |
12 |
A processing error has occurred |
Other system variables are:
Indicates whether this system appears to support PPI or not.
Contains the PPI receiver ID that this NCL process is registered as.
Some &PPI functions set specific NCL user variables:
Contains the PPI ID of the sender of a received message.
Contains the length of the actual received data in bytes.
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