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......._ - - - Program Product
- ----- - y .~.- Specifications
Customer I nformation Control System/OS-
STANDARD V2 (CICS/OS-STANDARD V2)
Program Number 5734-XX7
This program, in conjunction with CICS/DOS.,ENTRY Time Management -- Provides control of various optional
(5736-XX6) and CICS/OOS-STANDAR D (5736-XX7), task functions (system stall detection, run-away task
forms an upward compatible family of data base/data control, task synchronization, etc.) based on specified
communications (DB/DC) systems providing a common intervals of ti me or the ti me of day.
application program interface. They simplify the imple-
mentation of terminal-oriented applications and provide Dump Management -- Provides a facility to assist in
an upward migration path. analysis of programs and transactions undergoing de-
velopment or modification. Specified areas of main
CICS/OS-STANDARD V2 is a general purpose DB/DC storage are dumped onto a sequential data set, either
interface between OS and user-written application pro- tape or disk, for subsequent off-line formatting and
grams (either Assembler Language or appropriate high'- printing using a CICS utility program.
level language). The system provides the user with the
facilities to generate a CICS/OS-STANDARD V2 system Terminal Management -- Provides polling according to
configuration applicable to his needs and to define the user specified line traffic corhrol as well as user
environment in which the system is to execute. User requested reading and writing. This facility supports
exits are provided for optional processing as required for automatic task initiation to process new transactions.
specific system operation. Also provided is a macro Optionally, the user can request that certai n lines be
facility to communicate application program service under control of TCAM instead of BTAM. In this case,
requests. polling and other network control functions are
performed by the TCAM message control program (user
Functions necessary to support a DB/DC system and supplied), which resides with TCAM in a different
those required to support other standard terminal partition/region. The testing of application programs is
applications are provided by the CICS/OS-STANDARD accommodated by the simulation of terminals through
V2 system through the following management facil ities: sequential devices such as card readers, line printers,
disk, tape, etc.
Task Management -- Provides the dynam ic multitasking
facilities necessary for effective, concurrent transaction File Management -- Provides a data base facility using
processing. Functions associated with this facility in- direct access and indexed sequential data management.
cludepriority scheduling, transaction synchronization, This function ~upports updates, additions, random
and cont'fot of serially reusable resources. retrieval, and sequential retrieval (browsing) of logical
data on the data base. CICS/OS provides single-thread
Storage Management -- Controls main storage allocated access to the Data Language/I Facilities of the IBM
to CICS. Storage acquisition, disposition, initialization, Information Management System/360 Version 2 (IMS/
and request queuing are among the services and 360, program proci.Jct 5734-XX6L For complete infor-
functions performed by this component of CICS. mation on the capabi I ities of D L/I, refer to the
appropriate I MS/360 manuals (GH20-0765, SH20-091 0,
Program Management -- Provides a multiprogramming SH20-0911, SH20-0912, and SH20-0915). IMS/360
capability through dynamic program management while Version 2 Mod Level 2, program product 5734-XX6, is a
offering a real-time program fetch capability. prerequisite to the accessing of DL/I under CICS/OS.
Program Interrupt Management -- Provides for the Transient Data Management -- Provides thS! optional
interception of program interrupts by C ICS to prevent queuing facility for the r:nanagement of data in transit to
total system termination. Individual transactions that and from user defined destinations. This function has
program check are terminated by CICS with a dump (if been included to facilitate message switching, data
Dump Management is used), thus preventing the entire collection, and logging.
CICS partition/region from terminating.
Temporary Storage Management .. Provides the optional System Statistics _. Provides the capabi I ity to dynam-
general purpose "scratch pad" facility. This facility is ically log system statistics.
intended for video display paging, broadcasting, data
collection suspension, conservation of main storage, Abnormal Condition -~ Intercepts abnormal conditions
retention of control information, etc. (except those associated with a terminal) not handled
directly by the operating system.
Additional management functions provided by CICS
include the following: Terminal Abnormal Condition,"- Intercepts terminal
abnormal conditions not handled directly by the oper-
Asynchronous Transaction Processing .. Provides the ating system.
capability to read and queue (store) batched input from
an appropriate device and to dequeue and write back to System Termination -- Allows the user to terminate
a time-ciependent device the output data created by the operation of CICS by gathering summary statistics,
processi ng of batched input. Asynchronous transaction closing data sets, and returning control to the operating
processing is performed concurrently with other termi- system.
nal activity.
Trace -- Provides a program debugging facility that
3270 Basic Mapping Support ~. Provides basic mapping reflects the execution of CICS macro instructions by
support for use with the IBM 3270 I nformation Display CICS management programs and user-written application
System. The application programmer is provided access programs.
to both input and output 3270 data streams without
being required to include or be aware of any 3270 device Dynamic Open/Close -- Allows the user to dynamically
dependent logic. The 3270 data streams are mapped 1nto open/close his data sets during the real-time execution of
screen formats which are defined and assembied by use CICS.
of CICS macros.
Time of Day Control _. Provides the capability for CICS
2260 Compatibility .- Allows the user to run his to operate on a round-the-clock basis; CICS adjusts the
~urrently operational 2260-based transactions from an expiration times it maintains in response to changes in
IBM 3270 I nformation Display System. The Compati- the time of day maintained by the operating system, and
bility mode is specified by the user (by transaction and then resets its time of day to the time of day maintained
by terminal); operation can be intermixed with IBM by the operating system.
3270 Native mode. Two levels of compatibility are
provided: a full screen operation or format mode. The Programming Systems
latter is more efficient; however, not all 2260 operations
All CICS management programs and service programs are
are supportable within the format mode. The level of
coded using System/360 Assembler language. Communi-
support can be selected by transaction. In most cases,
cation with CICS occurs via CICS macro instructions and
the user is not requi red to make any changes to
the coding which is included in the user-written appl ica-
appl ication programs.
tion programs.
In addition tothe management functions d~scribed, CICS
CICS operates as a single task within a part9iioni~nd may
provides the system service programs listed 'below:
operate in a dedicated or multiprogramniihg'environ-
ment. The selection of the environment is the user's
Sign On/Sign Off .. Provides terminal operator identifica-
responsibility, as is the selection of system options
tion (security).
beyond those required for the operation of CICS.
Master Terminal Function _. ProvidE~s dynamic l,Jser
If access to the Data Language/I (0 L/I) facility of the
control of the system. The master term inal operator can IMS/360 Version 2 Data Base System is provided by the
change the status and values of parameters used by CICS CICS/OS-STANDARD V2 system, the CICS-DL/I inter-
and thereby alter the operation of the system. face operates as a separate task within the CICS
Supervisory Terminal Function .~ Performs many of the partition/region. In this case, the user must have a
same services as the Master Terminal ex~ept that they multiprogramming environment.
are limited to terminals under a given supervisor's
jurisdiction.
CICS/OS-STANDARD V2 operates under the IBM Unless incorporated as standard features