1 /*
2  * Copyright (c) 1998, 2019, 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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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
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17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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23  */
24 
25 // no precompiled headers
26 #include "runtime/os.hpp"
27 #include "runtime/osThread.hpp"
28 
pd_initialize()29 void OSThread::pd_initialize() {
30   set_thread_handle(NULL);
31   set_thread_id(NULL);
32   set_interrupt_event(NULL);
33 }
34 
pd_destroy()35 void OSThread::pd_destroy() {
36   if (_interrupt_event != NULL) {
37     CloseHandle(_interrupt_event);
38   }
39 }
40 
41 // We need to specialize this to interact with the _interrupt_event.
42 
set_interrupted(bool z)43 void OSThread::set_interrupted(bool z) {
44   if (z) {
45     SetEvent(_interrupt_event);
46   }
47   else {
48     // We should only ever clear the interrupt if we are in fact interrupted,
49     // and this can only be done by the current thread on itself.
50     ResetEvent(_interrupt_event);
51   }
52 }
53