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annotate src/os/windows/vm/osThread_windows.hpp @ 6006:0105f367a14c

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7160570: Intrinsification support for tracing framework Reviewed-by: sla, never
author rbackman
date Tue, 06 Mar 2012 12:36:59 +0100
parents f95d63e2154a
children 960a442eae91
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1 /*
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2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #ifndef OS_WINDOWS_VM_OSTHREAD_WINDOWS_HPP
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26 #define OS_WINDOWS_VM_OSTHREAD_WINDOWS_HPP
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27
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28 typedef void* HANDLE;
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29
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30 private:
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31 // Win32-specific thread information
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32 HANDLE _thread_handle; // Win32 thread handle
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33 unsigned long _thread_id; // Win32 thread id
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34 HANDLE _interrupt_event; // Event signalled on thread interrupt
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35 ThreadState _last_state;
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36
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37 public:
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38 // The following will only apply in the Win32 implementation, and should only
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39 // be visible in the concrete class, not this which should be an abstract base class
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40 HANDLE thread_handle() const { return _thread_handle; }
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41 void set_thread_handle(HANDLE handle) { _thread_handle = handle; }
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42 HANDLE interrupt_event() const { return _interrupt_event; }
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43 void set_interrupt_event(HANDLE interrupt_event) { _interrupt_event = interrupt_event; }
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44
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46 static size_t thread_id_size() { return sizeof(unsigned long); }
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47 unsigned long thread_id() const { return _thread_id; }
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48 #ifndef PRODUCT
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49 // Used for debugging, return a unique integer for each thread.
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50 int thread_identifier() const { return _thread_id; }
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51 #endif
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52 #ifdef ASSERT
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53 // We expect no reposition failures so kill vm if we get one
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54 //
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55 bool valid_reposition_failure() {
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56 return false;
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57 }
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58 #endif // ASSERT
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59 void set_thread_id(unsigned long thread_id) { _thread_id = thread_id; }
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60
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61 bool is_try_mutex_enter() { return false; }
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62
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63 // This is a temporary fix for the thread states during
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64 // suspend/resume until we throw away OSThread completely.
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65 // NEEDS_CLEANUP
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66 void set_last_state(ThreadState state) { _last_state = state; }
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67 ThreadState get_last_state() { return _last_state; }
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69 private:
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70 void pd_initialize();
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71 void pd_destroy();
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73 #endif // OS_WINDOWS_VM_OSTHREAD_WINDOWS_HPP