javauis/javalegacyutils/src/eventserver/Open.cpp
branchRCL_3
changeset 19 04becd199f91
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/javalegacyutils/src/eventserver/Open.cpp	Tue Apr 27 16:30:29 2010 +0300
@@ -0,0 +1,41 @@
+/*
+* Copyright (c) 1999-2001 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+
+#include <mevents.h>
+#include <j2me/jdebug.h>
+
+TBool CJavaEventSourceBase::Open()
+//
+// Add an extra reference to the object if it is not disposed
+// Return true if we have gained a good reference, false if
+// the object is awaiting destruction
+//
+{
+    if (!IsDisposed())
+    {
+        // Another thread may call Dispose() between the test for
+        // being disposed and the reference increment
+        // Thus we must check to see if the reference count before
+        // the increment was -1, in which case we must release the object
+        if (User::LockedInc(iRef)>=0)
+            return ETrue;
+        User::LockedDec(iRef);
+    }
+    return EFalse;
+}
+