From 672818f94ed7b64442246157d6c3e3d367d75b57 Mon Sep 17 00:00:00 2001
From: Babneet Singh <sbabneet@ca.ibm.com>
Date: Mon, 10 Jun 2024 20:14:08 -0700
Subject: [PATCH] Acquire interruptLock for

Signed-off-by: Babneet Singh <sbabneet@ca.ibm.com>
---
 src/java.base/share/classes/java/lang/Thread.java | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/java.base/share/classes/java/lang/Thread.java b/src/java.base/share/classes/java/lang/Thread.java
index 2297095b30d..4c7cf3019b6 100644
--- a/src/java.base/share/classes/java/lang/Thread.java
+++ b/src/java.base/share/classes/java/lang/Thread.java
@@ -1769,7 +1769,9 @@ public static boolean interrupted() {
     public boolean isInterrupted() {
         // use fully qualified name to avoid ambiguous class error
         if (com.ibm.oti.vm.VM.isJVMInSingleThreadedMode()) {
-            return isInterruptedImpl();
+            synchronized (interruptLock) {
+                return isInterruptedImpl();
+            }
         }
         return interrupted;
     }
@@ -3013,7 +3015,9 @@ private void setPriority0(int newPriority) {
     }
 
     private void interrupt0() {
-        interruptImpl();
+        synchronized (interruptLock) {
+            interruptImpl();
+        }
     }
 
     private static void clearInterruptEvent() {