:
sResponse.iReturnValue :
- 0: OK
- -1: Means an system error occured (check errno in this case)
- -2: Wrong watchdog index.
- -100 : Kernel function error
ulStatus : Watchdog status
- 0: Disabled
- 1: Running
- 2: Disabled and run down
- 3: Enabled and run down
ulValue : Current watchdog down counter value (0 to 65535)
ulInfo : reserved
sResponse.syserrno : system-error code (the value of the libc "errno" code)
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