--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/os/windows/vm/os_windows.hpp	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,122 @@
+/*
+ * Copyright 1997-2006 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+// Win32_OS defines the interface to windows operating systems
+
+class win32 {
+
+ protected:
+  static int    _vm_page_size;
+  static int    _vm_allocation_granularity;
+  static int    _processor_type;
+  static int    _processor_level;
+  static julong _physical_memory;
+  static size_t _default_stack_size;
+  static bool   _is_nt;
+
+ public:
+  // Windows-specific interface:
+  static void   initialize_system_info();
+  static void   setmode_streams();
+
+  // Processor info as provided by NT
+  static int processor_type()  { return _processor_type;  }
+  // Processor level may not be accurate on non-NT systems
+  static int processor_level() {
+    assert(is_nt(), "use vm_version instead");
+    return _processor_level;
+  }
+  static julong available_memory();
+  static julong physical_memory() { return _physical_memory; }
+
+ public:
+  // Generic interface:
+
+  // Trace number of created threads
+  static          intx  _os_thread_limit;
+  static volatile intx  _os_thread_count;
+
+  // Tells whether the platform is NT or Windown95
+  static bool is_nt() { return _is_nt; }
+
+  // Returns the byte size of a virtual memory page
+  static int vm_page_size() { return _vm_page_size; }
+
+  // Returns the size in bytes of memory blocks which can be allocated.
+  static int vm_allocation_granularity() { return _vm_allocation_granularity; }
+
+  // Read the headers for the executable that started the current process into
+  // the structure passed in (see winnt.h).
+  static void read_executable_headers(PIMAGE_NT_HEADERS);
+
+  // Default stack size for the current process.
+  static size_t default_stack_size() { return _default_stack_size; }
+
+#ifndef _WIN64
+  // A wrapper to install a structured exception handler for fast JNI accesors.
+  static address fast_jni_accessor_wrapper(BasicType);
+#endif
+
+  // filter function to ignore faults on serializations page
+  static LONG WINAPI serialize_fault_filter(struct _EXCEPTION_POINTERS* e);
+};
+
+class PlatformEvent : public CHeapObj {
+  private:
+    double CachePad [4] ;   // increase odds that _Event is sole occupant of cache line
+    volatile int _Event ;
+    HANDLE _ParkHandle ;
+
+  public:       // TODO-FIXME: make dtor private
+    ~PlatformEvent() { guarantee (0, "invariant") ; }
+
+  public:
+    PlatformEvent() {
+      _Event   = 0 ;
+      _ParkHandle = CreateEvent (NULL, false, false, NULL) ;
+      guarantee (_ParkHandle != NULL, "invariant") ;
+    }
+
+    // Exercise caution using reset() and fired() - they may require MEMBARs
+    void reset() { _Event = 0 ; }
+    int  fired() { return _Event; }
+    void park () ;
+    void unpark () ;
+    int  park (jlong millis) ;
+} ;
+
+
+
+class PlatformParker : public CHeapObj {
+  protected:
+    HANDLE _ParkEvent ;
+
+  public:
+    ~PlatformParker () { guarantee (0, "invariant") ; }
+    PlatformParker  () {
+      _ParkEvent = CreateEvent (NULL, true, false, NULL) ;
+      guarantee (_ParkEvent != NULL, "invariant") ;
+    }
+
+} ;