打字猴:1.700449659e+09
1700449659
1700449660 public final void stop(){
1700449661
1700449662 if((threadStatus!=0)&&!isAlive()){
1700449663
1700449664 return;
1700449665
1700449666 }
1700449667
1700449668 stop1(new ThreadDeath());
1700449669
1700449670 }
1700449671
1700449672 private final synchronized void stop1(Throwable th){
1700449673
1700449674 /*安全检查省略*/
1700449675
1700449676 if(threadStatus!=0){
1700449677
1700449678 resume();
1700449679
1700449680 stop0(th);
1700449681
1700449682 }else{
1700449683
1700449684 if(th==null){
1700449685
1700449686 throw new NullPointerException();
1700449687
1700449688 }
1700449689
1700449690 stopBeforeStart=true;
1700449691
1700449692 throwableFromStop=th;
1700449693
1700449694 }
1700449695
1700449696 这里设置了stopBeforeStart变量,标志着是在启动前设置了停止标志,在start方法中是这样校验的:
1700449697
1700449698 public synchronized void start(){
1700449699
1700449700 //分配栈内存,启动线程,运行run方法
1700449701
1700449702 start0();
1700449703
1700449704 //在启动前设置了停止状态
1700449705
1700449706 if(stopBeforeStart){
1700449707
1700449708 stop0(throwableFromStop);
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