# HG changeset patch
# User amenkov
# Date 1290689891 -10800
# Node ID adb296cc2eaebb2fd155fbc3e8668890b9d795fc
# Parent  88d0a8413bb80fbb070c9c9175906d58823b739f
6999872: java.awt.Window instantiation leads to JVM CRASH on Windows, JDK7b118+ fastdebug
Reviewed-by: igor, dcherepanov

diff -r 88d0a8413bb8 -r adb296cc2eae jdk/src/windows/bin/java_md.c
--- a/jdk/src/windows/bin/java_md.c	Wed Nov 24 15:26:41 2010 -0800
+++ b/jdk/src/windows/bin/java_md.c	Thu Nov 25 15:58:11 2010 +0300
@@ -70,7 +70,11 @@
  */
 #undef ENABLE_AWT_PRELOAD
 #ifndef JAVA_ARGS /* turn off AWT preloading for javac, jar, etc */
-    #define ENABLE_AWT_PRELOAD
+    /* CR6999872: fastdebug crashes if awt library is loaded before JVM is
+     * initialized*/
+    #if !defined(DEBUG)
+        #define ENABLE_AWT_PRELOAD
+    #endif
 #endif
 
 #ifdef ENABLE_AWT_PRELOAD
diff -r 88d0a8413bb8 -r adb296cc2eae jdk/src/windows/native/sun/java2d/d3d/D3DPipelineManager.cpp
--- a/jdk/src/windows/native/sun/java2d/d3d/D3DPipelineManager.cpp	Wed Nov 24 15:26:41 2010 -0800
+++ b/jdk/src/windows/native/sun/java2d/d3d/D3DPipelineManager.cpp	Thu Nov 25 15:58:11 2010 +0300
@@ -969,12 +969,15 @@
     }
     D3DPipelineManager *pMgr = D3DPipelineManager::CreateInstance();
     if (pMgr != NULL) {
-        UINT adapterCount = pMgr->adapterCount;
+        // init adapters if we are preloading
+        if (AwtToolkit::GetInstance().GetPreloadThread().OnPreloadThread()) {
+            UINT adapterCount = pMgr->adapterCount;
 
-        pAdapterIniters = new D3DAdapterInitializer[adapterCount];
-        for (UINT i=0; i<adapterCount; i++) {
-            pAdapterIniters[i].setAdapter(i);
-            AwtToolkit::GetInstance().GetPreloadThread().AddAction(&pAdapterIniters[i]);
+            pAdapterIniters = new D3DAdapterInitializer[adapterCount];
+            for (UINT i=0; i<adapterCount; i++) {
+                pAdapterIniters[i].setAdapter(i);
+                AwtToolkit::GetInstance().GetPreloadThread().AddAction(&pAdapterIniters[i]);
+            }
         }
     }
 }
diff -r 88d0a8413bb8 -r adb296cc2eae jdk/src/windows/native/sun/windows/awt_Toolkit.cpp
--- a/jdk/src/windows/native/sun/windows/awt_Toolkit.cpp	Wed Nov 24 15:26:41 2010 -0800
+++ b/jdk/src/windows/native/sun/windows/awt_Toolkit.cpp	Thu Nov 25 15:58:11 2010 +0300
@@ -1904,6 +1904,11 @@
     return true;
 }
 
+bool AwtToolkit::PreloadThread::OnPreloadThread()
+{
+    return GetThreadId() == ::GetCurrentThreadId();
+}
+
 /*static*/
 unsigned WINAPI AwtToolkit::PreloadThread::StaticThreadProc(void *param)
 {
diff -r 88d0a8413bb8 -r adb296cc2eae jdk/src/windows/native/sun/windows/awt_Toolkit.h
--- a/jdk/src/windows/native/sun/windows/awt_Toolkit.h	Wed Nov 24 15:26:41 2010 -0800
+++ b/jdk/src/windows/native/sun/windows/awt_Toolkit.h	Thu Nov 25 15:58:11 2010 +0300
@@ -559,6 +559,8 @@
             CriticalSection::Lock lock(threadLock);
             return wrongThread;
         }
+        // returns true if the current thread is "preload" thread
+        bool OnPreloadThread();
 
     private:
         // data access lock