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Side by Side Diff: third_party/WebKit/Source/wtf/WTF.cpp

Issue 2767153004: Move files in wtf/ to platform/wtf/ (Part 12). (Closed)
Patch Set: Rebase. Created 3 years, 9 months ago
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1 /*
2 * Copyright (C) 2013 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 "wtf/WTF.h"
32
33 #include "wtf/Assertions.h"
34 #include "wtf/Functional.h"
35 #include "wtf/StackUtil.h"
36 #include "wtf/ThreadSpecific.h"
37 #include "wtf/Threading.h"
38 #include "wtf/allocator/Partitions.h"
39 #include "wtf/text/AtomicString.h"
40 #include "wtf/text/StringStatics.h"
41 #include "wtf/typed_arrays/ArrayBufferContents.h"
42
43 namespace WTF {
44
45 extern void initializeThreading();
46
47 bool s_initialized;
48 void (*s_callOnMainThreadFunction)(MainThreadFunction, void*);
49 ThreadIdentifier s_mainThreadIdentifier;
50
51 namespace internal {
52
53 void callOnMainThread(MainThreadFunction* function, void* context) {
54 (*s_callOnMainThreadFunction)(function, context);
55 }
56
57 } // namespace internal
58
59 bool isMainThread() {
60 return currentThread() == s_mainThreadIdentifier;
61 }
62
63 void initialize(void (*callOnMainThreadFunction)(MainThreadFunction, void*)) {
64 // WTF, and Blink in general, cannot handle being re-initialized.
65 // Make that explicit here.
66 RELEASE_ASSERT(!s_initialized);
67 s_initialized = true;
68 initializeCurrentThread();
69 s_mainThreadIdentifier = currentThread();
70
71 initializeThreading();
72
73 s_callOnMainThreadFunction = callOnMainThreadFunction;
74 internal::initializeMainThreadStackEstimate();
75 AtomicString::init();
76 StringStatics::init();
77 }
78
79 } // namespace WTF
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