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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 | ||
4e4e5a6f | 34 | #include "Assertions.h" |
ba379fdc | 35 | #include "ChromiumThreading.h" |
4e4e5a6f | 36 | #include "Threading.h" |
ba379fdc A |
37 | |
38 | namespace WTF { | |
39 | ||
4e4e5a6f A |
40 | static ThreadIdentifier mainThreadIdentifier; |
41 | ||
42 | void initializeMainThread() | |
43 | { | |
44 | static bool initializedMainThread; | |
45 | if (initializedMainThread) | |
46 | return; | |
47 | initializedMainThread = true; | |
48 | ||
49 | mainThreadIdentifier = currentThread(); | |
50 | } | |
51 | ||
52 | void callOnMainThread(MainThreadFunction* function, void* context) | |
53 | { | |
54 | ChromiumThreading::callOnMainThread(function, context); | |
55 | } | |
56 | ||
57 | void callOnMainThreadAndWait(MainThreadFunction*, void*) | |
58 | { | |
59 | ASSERT_NOT_REACHED(); | |
60 | } | |
61 | ||
62 | void setMainThreadCallbacksPaused(bool) | |
ba379fdc | 63 | { |
4e4e5a6f | 64 | ASSERT_NOT_REACHED(); |
ba379fdc A |
65 | } |
66 | ||
4e4e5a6f | 67 | bool isMainThread() |
ba379fdc | 68 | { |
4e4e5a6f | 69 | return currentThread() == mainThreadIdentifier; |
ba379fdc A |
70 | } |
71 | ||
72 | } // namespace WTF | |
73 |