| #!/bin/sh | |
| sigterm() | |
| { | |
| # Stop on close. | |
| echo 'V' >&3 | |
| 3>&- | |
| exit 0 | |
| } | |
| wait-until-created /dev/watchdog | |
| # ioclt uses strtol to convert ioctlnr, so negative numbers must be used when | |
| # MSB is set. | |
| WDIOC_SETTIMEOUT=-1073457402 # 0xc0045706 | |
| # Max timeout for 88F6601 is 21s. | |
| ioctl -l 4 -- /dev/watchdog $WDIOC_SETTIMEOUT 21 | |
| exec 3<> /dev/watchdog | |
| trap sigterm TERM | |
| while true ; do | |
| echo >&3 | |
| sleep 2 | |
| done |