Restrictions

1. This macro may not be used prior to the completion of WLM address space initialization
2. Caller must have issued the IWM4MSTR macro successfully
3. Caller is responsible for error recovery
4. The current PSW key must be 0 or match the key specified on IWM4MCRE provided the latter is a system key (0-7)
5. The caller must serialize to prevent any delay monitoring services from being invoked concurrently for the environment represented by the monitoring token
6. This macro may only be used on z/OS V2R1 or higher.