SVC 107

SVC 107 is a Type 6 SVC issued by the MODESET macro. This macro does not get a lock and calls program IGC107 in load module IEAVMODE.

It alters selective fields of the PSW. It can also change the status of programs between supervisor state and problem program state.

Reference Sources

IBM z/OS MVS Diagnosis Reference

IBM z/OS MVS Programming Authorized Assembler Services Guide

IBM z/OS MVS Programming Authorized Assembler Services Reference Vol. 3