java 捕捉信号(linux下的kill,ctrl+c)

最新推荐文章于 2024-07-23 08:30:29 发布

原创最新推荐文章于 2024-07-23 08:30:29 发布 · 5.1k 阅读

0 ·

CC 4.0 BY-SA版权

文章标签：

#kill #linux #java #signal #c #exception

Java 专栏收录该内容

16 篇文章

订阅专栏

代码

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

@SuppressWarnings("restriction")
public class SignalHandlerExample {

 public static void main(String[] args) {
  System.out.println("Signal handling example.");
  SignalHandler handler = new MySignalHandler();
  // kill命令
  Signal termSignal = new Signal("TERM");
  Signal.handle(termSignal, handler);
  // ctrl+c命令
  Signal intSignal = new Signal("INT");
  Signal.handle(intSignal, handler);
  try {
   Thread.sleep(50000);
  } catch (InterruptedException e) {
   System.out.println("Interrupted: " + e.getMessage());
  }
 }
}

@SuppressWarnings("restriction")
class MySignalHandler implements SignalHandler {

 @Override
 public void handle(Signal signal) {
  System.out.println("Signal handler called for signal " + signal);
  try {
   System.out.println("Handling " + signal.getName());
  } catch (Exception e) {
   System.out.println("handle|Signal handler" + "failed, reason "
     + e.getMessage());
   e.printStackTrace();
  }
 }

}