3-46 IBM VM/370: System Logic and Problem Deter.ination--Voluae 3
contains the supervisor service that supplies task pro
grams with the receiver interface to
sued by other tasks. A single CALL causes
first respond to the previously supplied
and then supply a new
processing.
A service routine that creates new tasks and deletes
existing tasks executed by the
entry to
programming. Any entry into
task's execution to be suspended through the freeze
A supervisor service module that starts and ends
asynchronous exit requests for task programs. This
routine handles asynchronous exit requests for
asynchronous exit requests for I/O interruptions,
and ALERT exit requests.
Controls the interface of the line drivers to the
transmission and processes commands that manipulate
spool files.
Initializes the
Looks for work to do by examining the syncb locks
associated with the
to the appropriate subroutine, depending on the request
code.
Executes
on by an ALERT exit from
Ends processing for output files.
sets the
passes the
The code associated with other entry points in this
module format the
ways and exit finally to