Content-type: text/html Man page of ntwdt

ntwdt

Section: Devices (7D)
Updated: 05 Feb 2005
Index Return to Main Contents
 

NAME

ntwdt - Netra---based application watchdog timer driver  

SYNOPSIS

/dev/ntwdt
 

DESCRIPTION

The ntwdt driver is a multithreaded, loadable, non-STREAMS pseudo driver that provides an application with an interface for controlling a system watchdog timer.

The ntwdt driver implements a virtual watchdog timer that a privileged application (Effective UID == 0) controls via IOCTLs.  

CONFIGURATION

You configure the ntwdt driver by modifying the contents of the ntwdt.conf file.  

ERRORS

An open() fails if:

EPERM Effective user ID is not zero.

ENOENT /dev/ntwdt is not present or driver is not installed.

EAGAIN /dev/ntwdt has already been successfully open()'d.

 

FILES

/dev/ntwdt

Special character device.

kernel/drv/sparcv9/ntwdt

SPARC ntwdt driver binary.

kernel/drv/ntwdt.conf

Driver configuraton file.

 

ATTRIBUTES

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPEATTRIBUTE VALUE
AvailabilitySUNWcakr.u
ArchitectureSPARC

 

SEE ALSO

driver.conf(4), attributes(5)

Writing Device Drivers


 

Index

NAME
SYNOPSIS
DESCRIPTION
CONFIGURATION
ERRORS
FILES
ATTRIBUTES
SEE ALSO

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