Abstract for MVS Programming: Sysplex Services Reference

This information supports z/OS (5694-A01).

Purpose of this information

This information provides the coding information, such as syntax and parameter descriptions, for the MVS™ services that enable multisystem applications and subsystems to:

Run in a sysplex
Share status information
Send and receive messages using the XCF signalling function.
Send and receive messages using the XCF client/server interfaces
Share data using the coupling facility.

These sysplex services can be used by authorized assembler language programs. An authorized program meets one or more of the following requirements:

Runs in supervisor state
Runs under PSW key 0-7
Resides in an APF-authorized library

Who should use this information

This information is for programmers designing or modifying a multisystem application or subsystem to run in a sysplex and take advantage of the communication and data sharing functions available to sysplex members.

Programmers using this information should be extremely knowledgeable about the MVS operating system and assembler language programming.

Where to find more information

Where necessary, this information references information in other publications, using shortened versions of the publication title. For complete titles and order numbers of the publications for all products that are part of z/OS, see z/OS Information Roadmap.

The following table lists the title and order number for a publication related to another product.

Short title used in this information	Title	Order number
PR/SM™ Planning Guide	Processor Resource/Systems Manager Planning Guide	GA22-7123
PR/SM Planning Guide	Processor Resource/Systems Manager Planning Guide (S/390® processors only)	GA22-7236