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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 TYPE ATTRIBUTE VALUE Availability SUNWcakr.u Architecture

SEE ALSO

driver.conf(4), attributes(5)

Writing Device Drivers

Index

NAME

SYNOPSIS

DESCRIPTION

CONFIGURATION

ERRORS

FILES

ATTRIBUTES

SEE ALSO

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