IBM GC28-6646-5 Supervisor Services Rel 20.1 Jun71 free download

File name GC28-6646-5_Supervisor_Services_Rel_20.1_Jun71.pdf

File Number 8360-36 GC28-6646-5 Systems Reference Library IBM System/3S0 Operating System Supervisor Services The title of this manual was formerly IBM System/360 Operating System Supervisor and Data Management Services. The data management section of the book has been made a separate publication, IBM System/360 Operating System Data Management Services, GC26-3746. This ma:nual describes how to use the services of the supervisor. Among the services of the supervisor are program management, task creation and management, main-storage management, checkpoint and restart, ahd Time Sharing Option. This book also describes the linkage conventions used by the operating system. Intended mainly for the assembler-language programmer, this book is a guide to using the nacro instructions described in IBM System/360 Operating System Supervisor and Data Management ~acro Instructions, GC28-6647. This book does not discuss macro instructions used for graphics, teleFrocessing, optical readers, optical reader-sorters, or magnetic character readers. These macro instructions are discussed in separate publications that are listed in the IBM System/360 Bibliography, GA22-6822. References in this book to the forms control buffer (FCB) are applicable to the 3211 printer and are for planning purposes only. References in this book to PCP or the primary con- trol program are no longer applicable. Sixth Edition (June 1971) This publication corresponds to Release 20.1. It is a major revision of GC28-6646-4, which is now obsolete. The changes to the book include modifications to the topics wProviding a save Area,w -Bringing the Load Module into Main Storage,- -creating the Task,- -Extended-Precision Floating-Point Simulation,- -Reenterable Load Modules,- and WEstablishing Checkpoints,- and an explanation of the new operand, RET=CHNG, in the ENQ macro instruction. In addition, technical changes and clarifications have been made throughout the book, and this edition should be reviewed in its entirety. The information in the book changes from ti~e to time. Before using this manual with IBM systems, consult the latest IBM 360 SRL Newsletter, 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 IBM branch office serving your locality. A form is provided at the back of this publication for reader's comments. If the form has been removed, comments may be addressed to IBM Corporation, Programming publications, Department 636, Neighborhood Road, Kingston, New York, 12401. All comments become the property of IBM.