content: /*
   * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
   * (the "License"). You may not use this work except in compliance with the License, which is
   * available at www.apache.org/licenses/LICENSE-2.0
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied, as more fully set forth in the License.
   *
   * See the NOTICE file distributed with this work for information regarding copyright ownership.
   */
  
  package alluxio.multi.process;
  
  import alluxio.util.CommonUtils;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import javax.annotation.concurrent.ThreadSafe;
  
  /**
   * Utility methods for external test cluster classes.
   */
  @ThreadSafe
  public final class Utils {
    private static final Logger LOG = LoggerFactory.getLogger(Utils.class);
  
    /**
     * Launches a thread to terminate the current process after the specified period has elapsed.
     *
     * @param lifetimeMs the time to wait before terminating the current process
     */
    public static void limitLife(final long lifetimeMs) {
      new Thread(() -> {
        CommonUtils.sleepMs(lifetimeMs);
        LOG.info("Process has timed out after {}ms, exiting now", lifetimeMs);
        System.exit(-1);
      }, "life-limiter").start();
    }
  
    private Utils() {} // Not intended for instantiation.
  }
  