Queue Manager Manual

Queue Manager UOW Descriptions
Queue Manager Server Interface
46517 Tandem Computers Incorporated 2–9
management facility provides no standard handling. Refer to error code
definitions in documentation for other systems your application uses, for example,
in the GUARDIAN 90 Operating System Event Management Programming Manual, the
TRANSFER Reference Manual, or the PATHWAY Screen COBOL Reference Manual.
Note All request and response UOWs must be aligned on word boundaries.
UOW Definitions Four UOWs are available for use with Queue Manager. Table 2-1 summarizes the
UOWs and the functions they perform.
Table 2-1. Summary of Queue Manager UOWs
UOW UOW Codes UOW Operation
DEQ 501 %765 %H1F5 Dequeues an entry from a queue
ENQ 502 %766 %H1F6 Enqueues an entry on a queue
READQ 504 %770 %H1F8 Reads an entry from a queue
WAITQ 505 %771 %H1F9 Waits for an entry on a queue
The following paragraphs present the UOWs. Each definition begins with the DDL
format for the UOW request and corresponding response, followed by a description of
the fields and the operations performed.
Appendix A lists and defines error codes.