ntwdt - Netra—based application watchdog timer driver
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.
You configure the ntwdt driver by modifying the contents of the
ntwdt.conf file.
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.
/dev/ntwdt
Special character device.
/kernel/drv/sparcv9/ntwdt
Device driver (SPARC)
/kernel/drv/ntwdt.conf
Driver configuration file
See attributes(5) for descriptions of the following attributes:
| ATTRIBUTE
TYPE |
ATTRIBUTE VALUE |
| Architecture |
SPARC |
driver.conf(4), attributes(5)
Writing Device Drivers