NODEV(9F) Kernel Functions for Drivers NODEV(9F)

NAME

nodev - error return function

SYNOPSIS

#include <sys/conf.h>
#include <sys/ddi.h>


int nodev();

INTERFACE LEVEL

Architecture independent level 1 (DDI/DKI).

DESCRIPTION

nodev() returns ENXIO. It is intended to be used in the cb_ops(9S) data
structure of a device driver for device entry points which are not
supported by the driver. That is, it is an error to attempt to call such
an entry point.

RETURN VALUES

nodev() returns ENXIO.

CONTEXT

nodev() can be only called from user context.

SEE ALSO

nulldev(9F), cb_ops(9S)


Writing Device Drivers

January 27, 1993 NODEV(9F)