1 /*
2 * Copyright (C) 2009 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "config.h"
32 #include "MainThread.h"
33
34 #include "Assertions.h"
35 #include "ChromiumThreading.h"
36 #include "Threading.h"
37
38 namespace WTF {
39
40 static ThreadIdentifier mainThreadIdentifier;
41
initializeMainThread()42 void initializeMainThread()
43 {
44 static bool initializedMainThread;
45 if (initializedMainThread)
46 return;
47 initializedMainThread = true;
48
49 mainThreadIdentifier = currentThread();
50 }
51
callOnMainThread(MainThreadFunction * function,void * context)52 void callOnMainThread(MainThreadFunction* function, void* context)
53 {
54 ChromiumThreading::callOnMainThread(function, context);
55 }
56
callOnMainThreadAndWait(MainThreadFunction *,void *)57 void callOnMainThreadAndWait(MainThreadFunction*, void*)
58 {
59 ASSERT_NOT_REACHED();
60 }
61
setMainThreadCallbacksPaused(bool)62 void setMainThreadCallbacksPaused(bool)
63 {
64 ASSERT_NOT_REACHED();
65 }
66
isMainThread()67 bool isMainThread()
68 {
69 return currentThread() == mainThreadIdentifier;
70 }
71
72 } // namespace WTF
73
74