osThread_windows.hpp revision 1472:c18cbe5936b8 
1/*
2 * Copyright (c) 1997, 2001, 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
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
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,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25typedef void* HANDLE;
26
27 private:
28  // Win32-specific thread information
29  HANDLE _thread_handle;        // Win32 thread handle
30  unsigned long _thread_id;     // Win32 thread id
31  HANDLE _interrupt_event;      // Event signalled on thread interrupt
32  ThreadState _last_state;
33
34 public:
35  // The following will only apply in the Win32 implementation, and should only
36  // be visible in the concrete class, not this which should be an abstract base class
37  HANDLE thread_handle() const                     { return _thread_handle; }
38  void set_thread_handle(HANDLE handle)            { _thread_handle = handle; }
39  HANDLE interrupt_event() const                   { return _interrupt_event; }
40  void set_interrupt_event(HANDLE interrupt_event) { _interrupt_event = interrupt_event; }
41
42  unsigned long thread_id() const                  { return _thread_id; }
43#ifndef PRODUCT
44  // Used for debugging, return a unique integer for each thread.
45  int thread_identifier() const                    { return _thread_id; }
46#endif
47#ifdef ASSERT
48  // We expect no reposition failures so kill vm if we get one
49  //
50  bool valid_reposition_failure() {
51    return false;
52  }
53#endif // ASSERT
54  void set_thread_id(unsigned long thread_id)      { _thread_id = thread_id; }
55
56  bool is_try_mutex_enter()                        { return false; }
57
58  // This is a temporary fix for the thread states during
59  // suspend/resume until we throw away OSThread completely.
60  // NEEDS_CLEANUP
61  void set_last_state(ThreadState state)           { _last_state = state; }
62  ThreadState get_last_state()                     { return _last_state; }
63
64 private:
65  void pd_initialize();
66  void pd_destroy();
67