!7

set flag OshiNotSticky.

cm whatever {
  transient SimpleLiveValue<S> lvStatus = stringLiveValue();
  switchable int max = 1024;
  switchable double interval = 10.0;
  
  visual jCenteredLiveValueLabel(lvStatus);

  start {
    lvStatus.set("Current threshold: " + max + " GB. You have 60s to change this value in this module's menu.");
    doEvery(interval, r checkIt); // allow 60 seconds after start to change max value
  }
  
  long usedMegabytes() {
    ret oshi_currentProcessResidentSize()/oneMegabyte();
  }
  
  void checkIt enter {
    long megabytes = usedMegabytes();
    lvStatus.set("Emergency restart enabled. Memory use: " + megabytes + "/" + max + " MB");
    if (megabytes >= max) {
      dm_gc();
      sleepSeconds(5);
      megabytes = usedMegabytes();
      if (megabytes >= max) {
        localMechLog("Emergency shutdowns", "Emergency shutdown at " + localDateWithSeconds() + " because of too much memory use ("+ megabytes + " MB)");
        dm_restartOS();
      }
    }
  }
}