opensolaris man page for ntwdt

Query: ntwdt

OS: opensolaris

Section: 7d

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ntwdt(7D)							      Devices								 ntwdt(7D)

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 |SPARC | +-----------------------------+-----------------------------+
SEE ALSO
driver.conf(4), attributes(5) Writing Device Drivers SunOS 5.11 05 Feb 2005 ntwdt(7D)