ILB_dequeue_iop

cCall [ilb.ILB_dequeue_iop], <<OFFSET32 DCB>>
mov [IOP], eax  ; address of next IOP in queue

Removes an IOP from the current queue, whether descending or ascending. If removing the IOP leaves the queue empty, the routine makes the other queue current. Uses the ECX, EDX, and Flags registers.

• Returns the address of the next IOP in the queue or returns zero if both queues are empty.

DCB

Address of a physical DCB structure.

See also ILB