1ntwdt(7D)                           Devices                          ntwdt(7D)
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NAME

6       ntwdt - Netra—based application watchdog timer driver
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SYNOPSIS

9       /dev/ntwdt
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DESCRIPTION

13       The  ntwdt  driver  is  a  multithreaded,  loadable, non-STREAMS pseudo
14       driver that provides an application with an interface for controlling a
15       system watchdog timer.
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18       The  ntwdt driver implements a virtual watchdog timer that a privileged
19       application (Effective UID == 0) controls via IOCTLs.
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CONFIGURATION

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

26       An open() fails if:
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28       EPERM     Effective user ID is not zero.
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31       ENOENT    /dev/ntwdt is not present or driver is not installed.
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34       EAGAIN    /dev/ntwdt has already been successfully open()'d.
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FILES

38       /dev/ntwdt                  Special character device.
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41       kernel/drv/sparcv9/ntwdt    SPARC ntwdt driver binary.
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44       kernel/drv/ntwdt.conf       Driver configuraton file.
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ATTRIBUTES

48       See attributes(5) for descriptions of the following attributes:
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53       ┌─────────────────────────────┬─────────────────────────────┐
54       │      ATTRIBUTE TYPE         │      ATTRIBUTE VALUE        │
55       ├─────────────────────────────┼─────────────────────────────┤
56       │Availability                 │SUNWcakr.u                   │
57       ├─────────────────────────────┼─────────────────────────────┤
58       │Architecture                 │SPARC                        │
59       └─────────────────────────────┴─────────────────────────────┘
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SEE ALSO

62       driver.conf(4), attributes(5)
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65       Writing Device Drivers
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69SunOS 5.11                        05 Feb 2005                        ntwdt(7D)
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