interprets the file's
the file fer transmission as appropriate, and notifies the appropriate
line driver of the
output, and defines and detaches virtual spool
(called tag slots) that describe files currently owned
virtual storage tag queue is not extended during execution.
locid is examined, and it is accepted only if there is a matching linkid
for which there is a free tag slot available. If the file's destination
locid is not defined as a linkid, the file is purged and the originating
user is notified of the action. If there is no free tag slot available
for a defined linkid, the file is left "pending", and is accepted when a
To prevent links
stagnant) virtual storage tag queue, a minimum number of tag slots is
reserved for each link. This guarantees that a
is accepted for each associated link. The number of reserved slots is
defined during system generation or in the
to be defined in
for each link
of service to be provided to the link. This
arrived at through actual operational experience in each location.
activated without a specified line address) through an ALERT request
starts a line driver task to service the remote location.
The general functions of line driver tasks are: