/*

 * Copyright (c) 1997, 2012, 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.

 *

 */

#ifndef OS_WINDOWS_VM_OSTHREAD_WINDOWS_HPP

#define OS_WINDOWS_VM_OSTHREAD_WINDOWS_HPP

  typedef void* HANDLE;

 public:

  typedef unsigned long thread_id_t;

 private:

  // Win32-specific thread information

  HANDLE _thread_handle;        // Win32 thread handle

  HANDLE _interrupt_event;      // Event signalled on thread interrupt

  ThreadState _last_state;

 public:

  // The following will only apply in the Win32 implementation, and should only

  // be visible in the concrete class, not this which should be an abstract base class

  HANDLE thread_handle() const                     { return _thread_handle; }

  void set_thread_handle(HANDLE handle)            { _thread_handle = handle; }

  HANDLE interrupt_event() const                   { return _interrupt_event; }

  void set_interrupt_event(HANDLE interrupt_event) { _interrupt_event = interrupt_event; }

#ifndef PRODUCT

  // Used for debugging, return a unique integer for each thread.

  int thread_identifier() const                    { return _thread_id; }

#endif

#ifdef ASSERT

  // We expect no reposition failures so kill vm if we get one

  //

  bool valid_reposition_failure() {

    return false;

  }

#endif // ASSERT

  bool is_try_mutex_enter()                        { return false; }

  // This is a temporary fix for the thread states during

  // suspend/resume until we throw away OSThread completely.

  // NEEDS_CLEANUP

  void set_last_state(ThreadState state)           { _last_state = state; }

  ThreadState get_last_state()                     { return _last_state; }

 private:

  void pd_initialize();

  void pd_destroy();

#endif // OS_WINDOWS_VM_OSTHREAD_WINDOWS_HPP