Event handler calls

Table 1 lists the new or changed Language Environment® event handler calls. For more information, see z/OS Language Environment Vendor Interfaces.

Table 1. Summary of new and changed Language Environment event handler calls
Event	Release	Description	Reason for change
Event Code 18	z/OS® V1R13	Changed: Parameter descriptions have been updated.	Release update
Event Code 44	z/OS V1R13	New: The code has been added to allow member languages to report back their program mask requirements.	Release update
POSIX fork() imminent	z/OS V1R12	Changed: A second parameter, thread_id, has been added.	pthread_yield() and sched_yield() max time delay support.