Error Messages

Following are the error messages that may be displayed and what they mean.

EAGAIN: This error message will be displayed if you attempt to open more than one instance of open () on /dev/ntwdt.
EFAULT: This error message will be displayed if a bad user-space address was specified.
EINVAL: This error message will be displayed if a nonexistent control command was requested, or if invalid parametes were supplied.
EINTR: This error message will be displayed if a thread awaiting a component state change was interrupted.
ENXIO: This error message will be displayed if the driver is not installed in the system.