IBM GC28-6550-9 OS System Programmers Guide Rel 20.1 Jun71 free download

File name GC28-6550-9_OS_System_Programmers_Guide_Rel_20.1_Jun71.pdf

File No. 5360-20 Order No. GC28-6550-9 OS Systems Reference Library IBM System/360 Operating System: System Programmer's Guide ~his publication consists of self-contained chapters, each of which provides information on how to modify, extend, or implement capabilities of the IBE system/360 operating System control program. It is designed primarily for system programmers responsible for maintaining, updating, and extending the operating system features. Topics: Catalog and VTOC Maintenance Adding SVC Routines Message Routing Exit Routines Adding Accounting Routines IECDSECT, IEFJFCBN. and IEFUCBOB Macro Instructions The Must Complete Function of ENQ/DEQ The EXCP ~acro Instruction The XDAP Macro Instruction The Tracing Routine Implementing Data Set Protection PRESRES Volume Characteristic List Residency Options and Link Pack Area Job Queue Format System Macro Instructions Adding System Output Writer Routines Output separation System Reader, Initiator, and Writer Cataloged Procedures Writing Rollout/Rollin Appendages Adding a UCS Image to the System Library The Shared Direct Access Device Option The ~irne Slicing Facility Graphic Job Processor Procedures Satellite Graphic Job Processor Procedures Preface This publication consists of self-contained chapters, each of which provides information on how to modify, extend, or implement capabilities of the IBM System/360 Operating System control program. Although the information in one chapter is sometimes related to information in another, all chapters have been written as separate and complete units. It is assumed that users of this publication are thoroughly familiar with the design of the operating system and its features. Each chapter contains its own introductory section and list of prerequisite publications. This organization has been used to reduce cross-referencing and to facilitate the addition of new chapters. Ninth Edition (June, 1971) This is a major revision of, and obsoletes, GC28-6550-8 and Technical Newsletter GN28-2437, GN28-2452, and GN28-2456. Changes to the text and changes to illustrations are indicated by a vertical line to the left of the change. This edition applies to release 20.1 of IBM System/360 Operating system, and to all subsequent releases until otherwise indicated in new editions or Technical Newsletters. Changes are continually made to the information herein; before using this publication in connection with the operation of IBM systems, consult the latest IBM System/360 SRL Newsletter, Order No. GN20-0360, for the editions that are current and applicable. Requests for copies of IBM publications should be made to your IBM representative or to the branch office serving your locality.