Queue Manager Manual

Using Queue Manager
Queue Management
46517 Tandem Computers Incorporated 1-5
Figure 1-3. Queue Management Interaction
Queue
File
Queue Manager
Process AProcess A
ENQ
UOW
RSP
RSP
READQ
UOW
DEQ
UOW
RSP
RSP
WAITQ
UOW
Entry
Manager
Wait
Manager
003
Process B
Unbroken arrows represent IPC’s containing UOWs and responses. The direction
of the arrow shows the direction of the communication.
Dashed arrows indicate the direction of internal Queue Manager communications.
A process requests services of the Entry Manager. The Wait Manager triggers a
waiting process that has previously issued a WAITQ request.