From 89e14c9470194d348eb7e11717c461cadb87fc47 Mon Sep 17 00:00:00 2001
From: Grant Gayed <ggayed>
Date: Tue, 15 Dec 2009 17:32:25 +0000
Subject: 295185 - Refresh of PDF in SWT browser leads to jvm crash

---
 .../win32/org/eclipse/swt/dnd/Clipboard.java                      | 4 +++-
 .../win32/org/eclipse/swt/dnd/DragSource.java                     | 4 +++-
 .../win32/org/eclipse/swt/dnd/DropTarget.java                     | 8 ++++++--
 .../win32/org/eclipse/swt/dnd/OleEnumFORMATETC.java               | 4 +++-
 4 files changed, 15 insertions(+), 5 deletions(-)

(limited to 'bundles/org.eclipse.swt/Eclipse SWT Drag and Drop')

diff --git a/bundles/org.eclipse.swt/Eclipse SWT Drag and Drop/win32/org/eclipse/swt/dnd/Clipboard.java b/bundles/org.eclipse.swt/Eclipse SWT Drag and Drop/win32/org/eclipse/swt/dnd/Clipboard.java
index 10a3126cef..913d7d839e 100755
--- a/bundles/org.eclipse.swt/Eclipse SWT Drag and Drop/win32/org/eclipse/swt/dnd/Clipboard.java	
+++ b/bundles/org.eclipse.swt/Eclipse SWT Drag and Drop/win32/org/eclipse/swt/dnd/Clipboard.java	
@@ -649,7 +649,9 @@ private int Release() {
 		this.data = new Object[0];
 		this.transferAgents = new Transfer[0];
 		disposeCOMInterfaces();
-		COM.CoFreeUnusedLibraries();
+		if (COM.FreeUnusedLibraries) {
+			COM.CoFreeUnusedLibraries();
+		}
 	}
 	return refCount;
 }
diff --git a/bundles/org.eclipse.swt/Eclipse SWT Drag and Drop/win32/org/eclipse/swt/dnd/DragSource.java b/bundles/org.eclipse.swt/Eclipse SWT Drag and Drop/win32/org/eclipse/swt/dnd/DragSource.java
index a7f220de1f..4e83e954f1 100755
--- a/bundles/org.eclipse.swt/Eclipse SWT Drag and Drop/win32/org/eclipse/swt/dnd/DragSource.java	
+++ b/bundles/org.eclipse.swt/Eclipse SWT Drag and Drop/win32/org/eclipse/swt/dnd/DragSource.java	
@@ -655,7 +655,9 @@ private int Release() {
 	refCount--;
 	if (refCount == 0) {
 		disposeCOMInterfaces();
-		COM.CoFreeUnusedLibraries();
+		if (COM.FreeUnusedLibraries) {
+			COM.CoFreeUnusedLibraries();
+		}
 	}
 	return refCount;
 }
diff --git a/bundles/org.eclipse.swt/Eclipse SWT Drag and Drop/win32/org/eclipse/swt/dnd/DropTarget.java b/bundles/org.eclipse.swt/Eclipse SWT Drag and Drop/win32/org/eclipse/swt/dnd/DropTarget.java
index d8258bd77f..fe7785ec2e 100755
--- a/bundles/org.eclipse.swt/Eclipse SWT Drag and Drop/win32/org/eclipse/swt/dnd/DropTarget.java	
+++ b/bundles/org.eclipse.swt/Eclipse SWT Drag and Drop/win32/org/eclipse/swt/dnd/DropTarget.java	
@@ -571,7 +571,9 @@ void onDispose () {
 	}
 	iDataObject = null;
 	
-	COM.CoFreeUnusedLibraries();
+	if (COM.FreeUnusedLibraries) {
+		COM.CoFreeUnusedLibraries();
+	}
 }
 
 int opToOs(int operation) {
@@ -627,7 +629,9 @@ int Release() {
 	
 	if (refCount == 0) {
 		disposeCOMInterfaces();
-		COM.CoFreeUnusedLibraries();
+		if (COM.FreeUnusedLibraries) {
+			COM.CoFreeUnusedLibraries();
+		}
 	}
 	
 	return refCount;
diff --git a/bundles/org.eclipse.swt/Eclipse SWT Drag and Drop/win32/org/eclipse/swt/dnd/OleEnumFORMATETC.java b/bundles/org.eclipse.swt/Eclipse SWT Drag and Drop/win32/org/eclipse/swt/dnd/OleEnumFORMATETC.java
index c1c8c1fbd6..bfe4acb3c8 100755
--- a/bundles/org.eclipse.swt/Eclipse SWT Drag and Drop/win32/org/eclipse/swt/dnd/OleEnumFORMATETC.java	
+++ b/bundles/org.eclipse.swt/Eclipse SWT Drag and Drop/win32/org/eclipse/swt/dnd/OleEnumFORMATETC.java	
@@ -133,7 +133,9 @@ int Release() {
 	
 	if (refCount == 0) {
 		disposeCOMInterfaces();
-		COM.CoFreeUnusedLibraries();
+		if (COM.FreeUnusedLibraries) {
+			COM.CoFreeUnusedLibraries();
+		}
 	}
 	
 	return refCount;
-- 
cgit