HP-UX Reference (11i v1 05/09) - 2 System Calls (vol 5)

r
regctl(2) regctl(2)
RETURN VALUE
regctl() returns zero on successful completion, and -1 on failure.
ERRORS
In general, regctl() fails if one or more of the following is true:
[EPERM] Calling process is not registered as a real-time application.
[ETIMEDOUT]
RTE_PA_POLL_EIRR
timed out after checking EIRR for specified count.
[EFAULT] location specified by retval is not in memory and a trap has occurred.
[EINVAL] request is an illegal number or register is invalid for control register access requests.
SEE ALSO
__pset_rtctl(2).
Hewlett-Packard PA-RISC 2.0 Architecture Manual a book published by Prentice-Hall.
HP-UX 11i Version 1: September 2005 − 2 − Hewlett-Packard Company Section 2−−281