Content-type: text/html Man page of nochpoll

nochpoll

Section: Kernel Functions for Drivers (9F)
Updated: 16 Jan 2006
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NAME

nochpoll - error return function for non-pollable devices  

SYNOPSIS

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

int nochpoll(dev_t dev, short events, int anyyet, short *reventsp, struct pollhead **pollhdrp);  

INTERFACE LEVEL

Solaris DDI specific (Solaris DDI).  

PARAMETERS

dev Device number.

events Event flags.

anyyet Check current events only.

reventsp Event flag pointer.

pollhdrp Poll head pointer.

 

DESCRIPTION

The nochpoll() function is a routine that simply returns the value ENXIO. It is intended to be used in the cb_ops(9S) structure of a device driver for devices that do not support the poll(2) system call.  

RETURN VALUES

The nochpoll() function returns ENXIO.  

CONTEXT

The nochpoll() function can be called from user, interrupt, or kernel context.  

SEE ALSO

poll(2), chpoll(9E), cb_ops(9S)

Writing Device Drivers


 

Index

NAME
SYNOPSIS
INTERFACE LEVEL
PARAMETERS
DESCRIPTION
RETURN VALUES
CONTEXT
SEE ALSO

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Time: 02:39:43 GMT, October 02, 2010