it is waiting for the results of some service that it has requested of
another task. The left half of the
half of the resume
with the contents of register 14 (resume
contents at interruption time are also stored in the task's save area.
address of the task element of the "frozen" task and loading a
all mask bits set off (except machine check) and execution address as
stored in the
the appropriate queue
final interruption, control is immediately returned to the dispatcher.
subchannel, control is passed to the dispatcher. If
that subchannel, it is started.
sense was requested, the sense channel program is built in a new element
and the new element is chained to the request element. The sense
operation is started
If an active
found, the asynchronous exit is taken.
If neither an active
request element is found, the interrupt is iqnored and control is passed