Reason Control Bytes for a Rejected Stream

The reason bytes for ‘B0’, the RCB of a stream to be cancelled or rejected, are defined below. See Table 1 for the complete list of Subrecord control byte definitions.

Figure 1. B0 Reason Bytes

The following reason codes are defined, with additions needed for RSCS noted on the specific reason codes.

X‘04’

Normal response to an ABORT

X‘08’

Receiving system in SHUTDOWN

X‘0C’

RIF received for an unsupported stream

X‘0C04’: Stream not supported (NR)
X‘0C08’: Stream drained
X‘0C0C’: Unknown stream (NR)
X‘0C10’: FCS conflict

X‘10’

Resource lack

X‘1004’: Real storage (NR)
X‘1008’: Virtual storage
X‘100C’: Spool space
X‘1010’: CPU resources

X‘14’

Operator command

X‘1404’: HOLD command for connection
X‘1408’: STOP command for connection
X‘140C’: FLUSH command for connection

X‘18’

Protocol violation

X‘1804’: Last transmission not correctly terminated
X‘1808’: Compression/compaction error
X‘180C’: Records sent out of sequence
X‘1810’: Mixed RCBs within a buffer (M)
X‘1814’: Undefined RCB/SRCB combination

X‘1C’

Datastream error

X‘20’

File rejected by an installation-defined exit routine or by some other security check

KEY:    (NR)    Not issued by RSCS
(R)Not issued when multiple RCB extension exists.