Guardian Procedure Calls Reference Manual (G06.25+)

Guardian Procedure Calls (C)
Guardian Procedure Calls Reference Manual—522629-013
3-31
CHECKCLOSE Procedure
(Superseded by FILE_CLOSE_CHKPT_ Procedure )
if present, specifies magnetic tape disposition, as follows:
tape-disposition.<13:15>
0 Rewind and unload, do not wait for completion
1 Rewind, take offline, do not wait for completion
2 Rewind, leave online, do not wait for completion
3 Rewind, leave online, wait for completion
4 Do not rewind, leave online
If omitted, 0 is used.
Condition Code Settings
The following settings are obtained from the CLOSE procedure in the backup process;
CHECKCLOSE establishes these settings in the primary process:
< (CCL) indicates that an invalid file number was supplied or that the backup
process does not exist.
= (CCE) indicates that the CLOSE was successful.
> (CCG) does not return from CHECKCLOSE.
Considerations
•
Identification of the backup process
The system identifies the process to be affected by the CHECKCLOSE operation
from the process’s mom field in the process control block (PCB). For named
process pairs, this field is automatically set up during the creation of a backup
process.
•
The condition code returned from CHECKCLOSE indicates the outcome of the
CLOSE in the backup process.
•
See “Considerations” for the CLOSE procedure.