opensolaris man page for ntwdt

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)