8310551: vmTestbase/nsk/jdb/interrupt/interrupt001/interrupt001.java timed out due to missing prompt

Backport-of: c84866ac0dcda487fe2abc2a8841f237df0a395b

Author: Andrew Lu

test/hotspot/jtreg/vmTestbase/nsk/jdb/interrupt/interrupt001/interrupt001.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2023, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -90,7 +90,7 @@ public static int run(String argv[], PrintStream out) {
     static final String LAST_BREAK      = DEBUGGEE_CLASS + ".breakHere";
     static final String MYTHREAD        = "MyThread";
     static final String DEBUGGEE_THREAD = DEBUGGEE_CLASS + "$" + MYTHREAD;
-    static final String DEBUGGEE_RESULT = DEBUGGEE_CLASS + ".notInterrupted.get()";
+    static final String DEBUGGEE_RESULT = DEBUGGEE_CLASS + ".notInterrupted";
 
     static int numThreads = nsk.jdb.interrupt.interrupt001.interrupt001a.numThreads;
 

test/hotspot/jtreg/vmTestbase/nsk/jdb/interrupt/interrupt001/interrupt001a.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2023, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -56,8 +56,8 @@ public void run() {
                         lock.wait();
                     }
                 } catch (InterruptedException e) {
-                    notInterrupted.decrementAndGet();
                     synchronized (waitnotify) {
+                        notInterrupted--;
                         waitnotify.notify();
                     }
                 }
@@ -83,7 +83,7 @@ static void breakHere () {}
     private JdbArgumentHandler argumentHandler;
     private Log log;
 
-    public static final AtomicInteger notInterrupted = new AtomicInteger(numThreads);
+    public static volatile int notInterrupted = numThreads;
 
     public int runIt(String args[], PrintStream out) {
 
@@ -122,8 +122,8 @@ public int runIt(String args[], PrintStream out) {
 
         long waitTime = argumentHandler.getWaitTime() * 60 * 1000;
         long startTime = System.currentTimeMillis();
-        while (notInterrupted.get() > 0 && System.currentTimeMillis() - startTime <= waitTime) {
-            synchronized (waitnotify) {
+        synchronized (waitnotify) {
+            while (notInterrupted > 0 && System.currentTimeMillis() - startTime <= waitTime) {
                 try {
                     waitnotify.wait(waitTime);
                 } catch (InterruptedException e) {