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package io.scalecube.runners;

import sun.misc.Signal;
import sun.misc.SignalHandler;

public final class Runners {

  private Runners() {
    // Do not instantiate
  }

  /**
   * Listens to jvm signas SIGTERM and SIGINT and applies shutdown lambda function.
   *
   * @param runnable shutdown task
   */
  public static void onShutdown(Runnable runnable) {
    SignalHandler handler = signal -> runnable.run();
    Signal.handle(new Signal("INT"), handler);
    Signal.handle(new Signal("TERM"), handler);
  }
}