content: /*
   * Copyright 1999-2018 Alibaba Group Holding Ltd.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package com.alibaba.csp.sentinel.util;
  
  import java.lang.management.ManagementFactory;
  
  /**
   * Util class providing pid of current process.
   */
  public final class PidUtil {
  
      /**
       * Resolve and get current process ID.
       *
       * @return current process ID
       */
      public static int getPid() {
          // Note: this will trigger local host resolve, which might be slow.
          String name = ManagementFactory.getRuntimeMXBean().getName();
          return Integer.parseInt(name.split("@")[0]);
      }
  
      private PidUtil() {}
  }
  