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watchdogd v3.2-rc1

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@troglobit troglobit released this 26 May 14:10
· 226 commits to master since this release
3.2-rc1
69b5eb7

Changes

  • Issue #17: When the process supervisor is enabled watchdogd now always runs with elevated RT priority. Previous releases changed to SCHED_RR only when the first supervised process connected, and conversely disbled RT prio when the last process disconnected. This change gives a more predictable behavior and also means watchdogd
    can be relied upon until the system has been properly diagnosed
  • If the (optional) supervisor script returns OK (0) the timer for the offending process is now disarmed and the system is not rebooted.
  • Retry handover from Finit buit-in watchdog if first attempt fails
  • New generic script monitor, thanks to Tom Deblauwe. Can periodically call a site specific script, with timeout in case the script hangs

Fixes

  • Fix #16: Only force reboot on exit if watchdogd is enabled
  • When disabling and the re-enabling watchdogd using the API the daemon was sometimes stopped by Finit. This happened because the daemon re-issued a watchdog handover signal to Finit. The fix is to only do the handover once.
  • When re-enabling watchdogd the supervisor was not properly elevating the RT priority, instead it remained as a SCHED_OTHER process. This fix makes sure to save and re-use the configured RT priority.
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