| #!/bin/sh |
| # |
| # Run a process with a deadman switch. If the process dies, reboot the |
| # box after carefully logging what happened. |
| # |
| |
| "$@" |
| |
| RV=$? |
| if [ "$RV" = 143 ] || [ "$RV" = 137 ]; then |
| # SIGTERM or SIGKILL means someone killed it deliberately. |
| echo "RV=$RV '$@' was killed explicitly. Not rebooting." >&2 |
| exit $RV |
| fi |
| echo "Error: '$@' exited with code $RV. Rebooting." >&2 |
| |
| # process exited. This is fatal, reboot the system. |
| exec >&2 |
| |
| echo "<1>rebooting: '$@' exited" >/dev/kmsg |
| |
| # This runs just in case we encounter trouble during the next steps. |
| # This background task is double-nested so that it doesn't count toward |
| # the 'wait' command below. |
| ( |
| ( |
| sleep 30 |
| echo "Timed out; rebooting immediately." |
| reboot |
| ) & |
| ) |
| |
| echo "Waiting for LEDs and logs to sync." |
| ( |
| : >/tmp/gpio/ledcontrol/halted |
| leds-and-wait 1 # red |
| echo "LEDs set." |
| ) & |
| ( |
| upload-logs-and-wait |
| echo "Logs uploaded." |
| ) & |
| wait |
| |
| echo "Rebooting" |
| reboot |
