osThread_windows.hpp revision 3361:960a442eae91 
1/*
2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
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7 * published by the Free Software Foundation.
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
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23 */
24
25#ifndef OS_WINDOWS_VM_OSTHREAD_WINDOWS_HPP
26#define OS_WINDOWS_VM_OSTHREAD_WINDOWS_HPP
27
28  typedef void* HANDLE;
29 public:
30  typedef unsigned long thread_id_t;
31
32 private:
33  // Win32-specific thread information
34  HANDLE _thread_handle;        // Win32 thread handle
35  HANDLE _interrupt_event;      // Event signalled on thread interrupt
36  ThreadState _last_state;
37
38 public:
39  // The following will only apply in the Win32 implementation, and should only
40  // be visible in the concrete class, not this which should be an abstract base class
41  HANDLE thread_handle() const                     { return _thread_handle; }
42  void set_thread_handle(HANDLE handle)            { _thread_handle = handle; }
43  HANDLE interrupt_event() const                   { return _interrupt_event; }
44  void set_interrupt_event(HANDLE interrupt_event) { _interrupt_event = interrupt_event; }
45
46#ifndef PRODUCT
47  // Used for debugging, return a unique integer for each thread.
48  int thread_identifier() const                    { return _thread_id; }
49#endif
50#ifdef ASSERT
51  // We expect no reposition failures so kill vm if we get one
52  //
53  bool valid_reposition_failure() {
54    return false;
55  }
56#endif // ASSERT
57  bool is_try_mutex_enter()                        { return false; }
58
59  // This is a temporary fix for the thread states during
60  // suspend/resume until we throw away OSThread completely.
61  // NEEDS_CLEANUP
62  void set_last_state(ThreadState state)           { _last_state = state; }
63  ThreadState get_last_state()                     { return _last_state; }
64
65 private:
66  void pd_initialize();
67  void pd_destroy();
68
69#endif // OS_WINDOWS_VM_OSTHREAD_WINDOWS_HPP
70