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-rw-r--r--src/nativewindow/classes/jogamp/nativewindow/jawt/JAWTUtil.java12
1 files changed, 10 insertions, 2 deletions
diff --git a/src/nativewindow/classes/jogamp/nativewindow/jawt/JAWTUtil.java b/src/nativewindow/classes/jogamp/nativewindow/jawt/JAWTUtil.java
index 2dadfb16b..67c64a95c 100644
--- a/src/nativewindow/classes/jogamp/nativewindow/jawt/JAWTUtil.java
+++ b/src/nativewindow/classes/jogamp/nativewindow/jawt/JAWTUtil.java
@@ -81,6 +81,7 @@ public class JAWTUtil {
private static final boolean hasSunToolkitAWTLock;
private static volatile Thread exclusiveOwnerThread;
+ private static int lockCounter;
private static final ToolkitLock jawtToolkitLock;
@@ -232,6 +233,7 @@ public class JAWTUtil {
hasSunToolkitAWTLock = _hasSunToolkitAWTLock;
// hasSunToolkitAWTLock = false;
exclusiveOwnerThread = null;
+ lockCounter = 0;
jawtToolkitLock = new ToolkitLock() {
public final void lock() {
@@ -334,7 +336,10 @@ public class JAWTUtil {
} else {
jawtLockObject.Lock();
}
- exclusiveOwnerThread = Thread.currentThread();
+ if(0 == lockCounter) {
+ exclusiveOwnerThread = Thread.currentThread();
+ }
+ lockCounter++;
}
/**
@@ -345,7 +350,10 @@ public class JAWTUtil {
*/
private static final void awtUnlock() {
awtValidateLocked();
- exclusiveOwnerThread = null;
+ lockCounter--;
+ if(0 == lockCounter) {
+ exclusiveOwnerThread = null;
+ }
if(hasSunToolkitAWTLock) {
try {
sunToolkitAWTUnlockMethod.invoke(null, (Object[])null);