Service request block (SRB)

  1. Global SRB (enqueued on global service priority list)
    • The CVTGSPL field of the CVT points to SVTGSPL in the SVT.
    • The SVTGSPL field of the SVT points to the SRB on the global service priority list (GSPL).
    • The SVTGSMQ field of the SVT points to the first SRB on the global service management queue (GSMQ).
  2. Local SRB (processing based on an address space priority)
    • The ASCBLSPL field of the ASCB points to the local service priority list (LSPL).
    • The ASCBLSMQ field of the ASCB points to the local service management queue (LSMQ).
Parent topic: Status indicators for system resources