changeset 3941:0f8b6b1aad7d

7002839: Static initialization deadlock between sun.awt.Win32GraphicsEnvironment and sun.awt.windows.WToolkit Reviewed-by: art, dcherepanov, denis
author dav
date Wed, 06 Apr 2011 17:13:08 +0400
parents 58729a928069
children f6c9205bb20a
files src/windows/classes/sun/awt/Win32GraphicsEnvironment.java src/windows/classes/sun/awt/windows/WToolkit.java test/java/awt/GraphicsEnvironment/LoadLock/GE_init1.java test/java/awt/GraphicsEnvironment/LoadLock/GE_init2.java test/java/awt/GraphicsEnvironment/LoadLock/GE_init3.java test/java/awt/GraphicsEnvironment/LoadLock/GE_init4.java test/java/awt/GraphicsEnvironment/LoadLock/GE_init5.java test/java/awt/GraphicsEnvironment/LoadLock/GE_init6.java
diffstat 8 files changed, 232 insertions(+), 9 deletions(-) [+]
line wrap: on
line diff
--- a/src/windows/classes/sun/awt/Win32GraphicsEnvironment.java	Tue Apr 05 16:50:11 2011 +0400
+++ b/src/windows/classes/sun/awt/Win32GraphicsEnvironment.java	Wed Apr 06 17:13:08 2011 +0400
@@ -76,12 +76,6 @@
     }
 
     /**
-     * Noop function that just acts as an entry point for someone to force
-     * a static initialization of this class.
-     */
-    public static void init() {}
-
-    /**
      * Initializes native components of the graphics environment.  This
      * includes everything from the native GraphicsDevice elements to
      * the DirectX rendering layer.
--- a/src/windows/classes/sun/awt/windows/WToolkit.java	Tue Apr 05 16:50:11 2011 +0400
+++ b/src/windows/classes/sun/awt/windows/WToolkit.java	Wed Apr 06 17:13:08 2011 +0400
@@ -103,9 +103,6 @@
 
     static {
         loadLibraries();
-        // Force Win32GE to load if it is not already loaded; this loads
-        // various other classes that are required for basic awt functionality
-        Win32GraphicsEnvironment.init();
         initIDs();
 
         // Print out which version of Windows is running
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/java/awt/GraphicsEnvironment/LoadLock/GE_init1.java	Wed Apr 06 17:13:08 2011 +0400
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2011, 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 7002839
+ * @summary Static init deadlock Win32GraphicsEnvironment and WToolkit
+ * @run main GE_init1
+ */
+
+import java.awt.Toolkit;
+
+public class GE_init1 {
+    public static void main(String[] args) {
+        Toolkit.getDefaultToolkit();
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/java/awt/GraphicsEnvironment/LoadLock/GE_init2.java	Wed Apr 06 17:13:08 2011 +0400
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2011, 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 7002839
+ * @summary Static init deadlock Win32GraphicsEnvironment and WToolkit
+ * @run main GE_init2
+ */
+
+
+import java.awt.GraphicsEnvironment;
+
+public class GE_init2 {
+    public static void main(String[] args) {
+        GraphicsEnvironment.getLocalGraphicsEnvironment();
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/java/awt/GraphicsEnvironment/LoadLock/GE_init3.java	Wed Apr 06 17:13:08 2011 +0400
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2011, 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 7002839
+ * @summary Static init deadlock Win32GraphicsEnvironment and WToolkit
+ * @run main GE_init3
+ */
+
+
+import java.awt.Frame;
+
+public class GE_init3 {
+    public static void main(String[] args) {
+        new Frame("Test3").setVisible(true);
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/java/awt/GraphicsEnvironment/LoadLock/GE_init4.java	Wed Apr 06 17:13:08 2011 +0400
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2011, 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 7002839
+ * @summary Static init deadlock Win32GraphicsEnvironment and WToolkit
+ * @run main/othervm -Djava.awt.headless=true GE_init4
+ */
+
+import java.awt.Toolkit;
+
+public class GE_init4 {
+    public static void main(String[] args) {
+        Toolkit.getDefaultToolkit();
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/java/awt/GraphicsEnvironment/LoadLock/GE_init5.java	Wed Apr 06 17:13:08 2011 +0400
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2011, 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 7002839
+ * @summary Static init deadlock Win32GraphicsEnvironment and WToolkit
+ * @run main/othervm -Djava.awt.headless=true GE_init4
+ */
+
+import java.awt.Toolkit;
+
+public class GE_init5 {
+    public static void main(String[] args) {
+        GraphicsEnvironment.getLocalGraphicsEnvironment();
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/java/awt/GraphicsEnvironment/LoadLock/GE_init6.java	Wed Apr 06 17:13:08 2011 +0400
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2011, 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 7002839
+ * @summary Static init deadlock Win32GraphicsEnvironment and WToolkit
+ * @run main/othervm -Djava.awt.headless=true GE_init6
+ */
+
+import java.awt.*;
+
+public class GE_init6 {
+    private static boolean passed = false;
+    public static void main(String[] args) {
+         try {
+             new Frame("Test3").setVisible(true);
+         } catch (HeadlessException e){
+             passed = true;
+         }
+         if (!passed){
+             throw new RuntimeException("Should have thrown HE but it either didn't throw any or just passed through.");
+         }
+    }
+}