changeset 4614:cfe25bac6951

7073337: Crash after playing Java game on Pogo Reviewed-by: art, uta
author bagiras
date Tue, 27 Sep 2011 13:38:29 +0400
parents 1be72d104f9b
children fcdb588d77ef
files src/windows/classes/sun/awt/windows/WComponentPeer.java src/windows/native/sun/windows/awt_Component.cpp src/windows/native/sun/windows/awt_Component.h src/windows/native/sun/windows/awt_Toolkit.cpp src/windows/native/sun/windows/awt_Toolkit.h
diffstat 5 files changed, 91 insertions(+), 40 deletions(-) [+]
line wrap: on
line diff
--- a/src/windows/classes/sun/awt/windows/WComponentPeer.java	Mon Sep 26 15:40:05 2011 -0700
+++ b/src/windows/classes/sun/awt/windows/WComponentPeer.java	Tue Sep 27 13:38:29 2011 +0400
@@ -615,6 +615,14 @@
         _dispose();
     }
 
+    public void disposeLater() {
+        postEvent(new InvocationEvent(Toolkit.getDefaultToolkit(), new Runnable() {
+            public void run() {
+                dispose();
+            }
+        }));
+    }
+
     public synchronized void setForeground(Color c) {
         foreground = c;
         _setForeground(c.getRGB());
--- a/src/windows/native/sun/windows/awt_Component.cpp	Mon Sep 26 15:40:05 2011 -0700
+++ b/src/windows/native/sun/windows/awt_Component.cpp	Tue Sep 27 13:38:29 2011 +0400
@@ -183,6 +183,7 @@
 jmethodID AwtComponent::getLocationOnScreenMID;
 jmethodID AwtComponent::replaceSurfaceDataMID;
 jmethodID AwtComponent::replaceSurfaceDataLaterMID;
+jmethodID AwtComponent::disposeLaterMID;
 
 HKL    AwtComponent::m_hkl = ::GetKeyboardLayout(0);
 LANGID AwtComponent::m_idLang = LOWORD(::GetKeyboardLayout(0));
@@ -246,6 +247,7 @@
     m_hCursorCache = NULL;
 
     m_bSubclassed = FALSE;
+    m_bPauseDestroy = FALSE;
 
     m_MessagesProcessing = 0;
     m_wheelRotationAmount = 0;
@@ -319,6 +321,12 @@
         m_brushBackground = NULL;
     }
 
+    if (m_bPauseDestroy) {
+        // AwtComponent::WmNcDestroy could be released now
+        m_bPauseDestroy = FALSE;
+        m_hwnd = NULL;
+    }
+
     // The component instance is deleted using AwtObject::Dispose() method
     AwtObject::Dispose();
 }
@@ -1377,6 +1385,7 @@
       case WM_CREATE: mr = WmCreate(); break;
       case WM_CLOSE:      mr = WmClose(); break;
       case WM_DESTROY:    mr = WmDestroy(); break;
+      case WM_NCDESTROY:  mr = WmNcDestroy(); break;
 
       case WM_ERASEBKGND:
           mr = WmEraseBkgnd((HDC)wParam, *(BOOL*)&retValue); break;
@@ -1965,10 +1974,24 @@
  */
 MsgRouting AwtComponent::WmDestroy()
 {
-    // fix for 6259348: we should enter the SyncCall critical section before
-    // disposing the native object, that is value 1 of lParam is intended for
-    if(m_peerObject != NULL) { // is not being terminating
-        AwtToolkit::GetInstance().SendMessage(WM_AWT_DISPOSE, (WPARAM)m_peerObject, (LPARAM)1);
+    return mrConsume;
+}
+
+/*
+ * This message should only be received when a window is destroyed by
+ * Windows, and not Java. It is sent only after child windows were destroyed.
+ */
+MsgRouting AwtComponent::WmNcDestroy()
+{
+    if (m_peerObject != NULL) { // is not being terminating
+        // Stay in this handler until AwtComponent::Dispose is called.
+        m_bPauseDestroy = TRUE;
+
+        JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
+        // Post invocation event for WObjectPeer.dispose to EDT
+        env->CallVoidMethod(m_peerObject, AwtComponent::disposeLaterMID);
+        // Wait until AwtComponent::Dispose is called
+        AwtToolkit::GetInstance().PumpToDestroy(this);
     }
 
     return mrConsume;
@@ -6300,6 +6323,7 @@
         env->GetMethodID(peerCls, "replaceSurfaceData", "()V");
     AwtComponent::replaceSurfaceDataLaterMID =
         env->GetMethodID(peerCls, "replaceSurfaceDataLater", "()V");
+    AwtComponent::disposeLaterMID = env->GetMethodID(peerCls, "disposeLater", "()V");
 
     DASSERT(AwtComponent::xID);
     DASSERT(AwtComponent::yID);
@@ -6318,6 +6342,8 @@
     DASSERT(AwtComponent::getLocationOnScreenMID);
     DASSERT(AwtComponent::replaceSurfaceDataMID);
     DASSERT(AwtComponent::replaceSurfaceDataLaterMID);
+    DASSERT(AwtComponent::disposeLaterMID);
+
 
     CATCH_BAD_ALLOC;
 }
--- a/src/windows/native/sun/windows/awt_Component.h	Mon Sep 26 15:40:05 2011 -0700
+++ b/src/windows/native/sun/windows/awt_Component.h	Tue Sep 27 13:38:29 2011 +0400
@@ -119,6 +119,7 @@
     static jmethodID getLocationOnScreenMID;
     static jmethodID replaceSurfaceDataMID;
     static jmethodID replaceSurfaceDataLaterMID;
+    static jmethodID disposeLaterMID;
 
     static const UINT WmAwtIsComponent;
     static jint * masks; //InputEvent mask array
@@ -490,6 +491,7 @@
     virtual MsgRouting WmCreate() {return mrDoDefault;}
     virtual MsgRouting WmClose() {return mrDoDefault;}
     virtual MsgRouting WmDestroy();
+    virtual MsgRouting WmNcDestroy();
 
     virtual MsgRouting WmActivate(UINT nState, BOOL fMinimized, HWND opposite)
     {
@@ -711,6 +713,10 @@
         return m_MessagesProcessing == 0;
     }
 
+    BOOL IsDestroyPaused() const {
+        return m_bPauseDestroy;
+    }
+
 protected:
     static AwtComponent* GetComponentImpl(HWND hWnd);
 
@@ -752,6 +758,7 @@
     UINT m_mouseButtonClickAllowed;
 
     BOOL m_bSubclassed;
+    BOOL m_bPauseDestroy;
 
     COLORREF m_colorForeground;
     COLORREF m_colorBackground;
--- a/src/windows/native/sun/windows/awt_Toolkit.cpp	Mon Sep 26 15:40:05 2011 -0700
+++ b/src/windows/native/sun/windows/awt_Toolkit.cpp	Tue Sep 27 13:38:29 2011 +0400
@@ -733,26 +733,13 @@
           return 0;
       }
       case WM_AWT_DISPOSE: {
-          BOOL canDispose = TRUE;
-          CriticalSection &syncCS = AwtToolkit::GetInstance().GetSyncCS();
-          int shouldEnterCriticalSection = (int)lParam;
-          if (shouldEnterCriticalSection == 1) {
-              canDispose = syncCS.TryEnter();
-          }
-          if (canDispose) {
-              if(wParam != NULL) {
-                  jobject self = (jobject)wParam;
-                  AwtObject *o = (AwtObject *) JNI_GET_PDATA(self);
-                  env->DeleteGlobalRef(self);
-                  if(o != NULL && theAwtObjectList.Remove(o)) {
-                      o->Dispose();
-                  }
-                  if (shouldEnterCriticalSection) {
-                      syncCS.Leave();
-                  }
+          if(wParam != NULL) {
+              jobject self = (jobject)wParam;
+              AwtObject *o = (AwtObject *) JNI_GET_PDATA(self);
+              env->DeleteGlobalRef(self);
+              if(o != NULL && theAwtObjectList.Remove(o)) {
+                  o->Dispose();
               }
-          } else {
-              AwtToolkit::GetInstance().PostMessage(WM_AWT_DISPOSE, wParam, lParam);
           }
           return 0;
       }
@@ -1340,25 +1327,46 @@
 
     while (!m_breakMessageLoop && (*lpPeekMessageFunc)(msg)) {
         foundOne = TRUE;
-        if (msg.message == WM_QUIT) {
-            m_breakMessageLoop = TRUE;
-            m_messageLoopResult = static_cast<UINT>(msg.wParam);
-            if (m_messageLoopResult == EXIT_ALL_ENCLOSING_LOOPS)
-                ::PostQuitMessage(static_cast<int>(msg.wParam));  // make sure all loops exit
-            break;
-        }
-        else if (msg.message != WM_NULL) {
-            /*
-             * The AWT in standalone mode (that is, dynamically loaded from the
-             * Java VM) doesn't have any translation tables to worry about, so
-             * TranslateAccelerator isn't called.
-             */
-
-            ::TranslateMessage(&msg);
-            ::DispatchMessage(&msg);
+        ProcessMsg(msg);
+    }
+    return foundOne;
+}
+
+void AwtToolkit::PumpToDestroy(class AwtComponent* p)
+{
+    MSG  msg;
+
+    DASSERT(AwtToolkit::PrimaryIdleFunc != NULL);
+    DASSERT(AwtToolkit::CommonPeekMessageFunc != NULL);
+
+    while (p->IsDestroyPaused() && !m_breakMessageLoop) {
+
+        PrimaryIdleFunc();
+
+        while (p->IsDestroyPaused() && !m_breakMessageLoop && CommonPeekMessageFunc(msg)) {
+            ProcessMsg(msg);
         }
     }
-    return foundOne;
+}
+
+void AwtToolkit::ProcessMsg(MSG& msg)
+{
+    if (msg.message == WM_QUIT) {
+        m_breakMessageLoop = TRUE;
+        m_messageLoopResult = static_cast<UINT>(msg.wParam);
+        if (m_messageLoopResult == EXIT_ALL_ENCLOSING_LOOPS)
+            ::PostQuitMessage(static_cast<int>(msg.wParam));  // make sure all loops exit
+    }
+    else if (msg.message != WM_NULL) {
+        /*
+        * The AWT in standalone mode (that is, dynamically loaded from the
+        * Java VM) doesn't have any translation tables to worry about, so
+        * TranslateAccelerator isn't called.
+        */
+
+        ::TranslateMessage(&msg);
+        ::DispatchMessage(&msg);
+    }
 }
 
 VOID CALLBACK
--- a/src/windows/native/sun/windows/awt_Toolkit.h	Mon Sep 26 15:40:05 2011 -0700
+++ b/src/windows/native/sun/windows/awt_Toolkit.h	Tue Sep 27 13:38:29 2011 +0400
@@ -305,6 +305,8 @@
 
     UINT MessageLoop(IDLEPROC lpIdleFunc, PEEKMESSAGEPROC lpPeekMessageFunc);
     BOOL PumpWaitingMessages(PEEKMESSAGEPROC lpPeekMessageFunc);
+    void PumpToDestroy(class AwtComponent* p);
+    void ProcessMsg(MSG& msg);
     BOOL PreProcessMsg(MSG& msg);
     BOOL PreProcessMouseMsg(class AwtComponent* p, MSG& msg);
     BOOL PreProcessKeyMsg(class AwtComponent* p, MSG& msg);