Creating and Using a Callable Services Library

This chapter:
  • Describes how to create your own callable services library (CSL).
  • Describes how to define entry and exit points and obtain information about parameters when creating a CSL routine.
  • Describes how to create a template file.
  • Gives an example of a CSL routine written in Assembler.

For more information on how to invoke a CSL routine and how to make it available to users, see the z/VM: CMS Application Development Guide.