xref: /titanic_51/usr/src/man/man9f/nodev.9f (revision 0956b730cfe26e3bfd5e8ed9c1527c0e3111b93c)
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Copyright (c) 1993, Sun Microsystems, Inc.,
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nodev 9F "27 Jan 1993" "SunOS 5.11" "Kernel Functions for Drivers"
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