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1 /* | 1 // Copyright 2017 The Chromium Authors. All rights reserved. |
2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. | 2 // Use of this source code is governed by a BSD-style license that can be |
3 * | 3 // found in the LICENSE file. |
4 * Redistribution and use in source and binary forms, with or without | |
5 * modification, are permitted provided that the following conditions | |
6 * are met: | |
7 * 1. Redistributions of source code must retain the above copyright | |
8 * notice, this list of conditions and the following disclaimer. | |
9 * 2. Redistributions in binary form must reproduce the above copyright | |
10 * notice, this list of conditions and the following disclaimer in the | |
11 * documentation and/or other materials provided with the distribution. | |
12 * | |
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
24 * | |
25 */ | |
26 | 4 |
27 #ifndef WTFThreadData_h | 5 #include "platform/wtf/WTFThreadData.h" |
28 #define WTFThreadData_h | |
29 | 6 |
30 #include "wtf/HashMap.h" | 7 // The contents of this header was moved to platform/wtf as part of |
31 #include "wtf/HashSet.h" | 8 // WTF migration project. See the following post for details: |
32 #include "wtf/Noncopyable.h" | 9 // https://groups.google.com/a/chromium.org/d/msg/blink-dev/tLdAZCTlcAA/bYXVT8gY
CAAJ |
33 #include "wtf/ThreadSpecific.h" | |
34 #include "wtf/Threading.h" | |
35 #include "wtf/WTFExport.h" | |
36 #include "wtf/text/StringHash.h" | |
37 #include <memory> | |
38 | |
39 namespace WTF { | |
40 | |
41 class AtomicStringTable; | |
42 struct ICUConverterWrapper; | |
43 | |
44 class WTF_EXPORT WTFThreadData { | |
45 DISALLOW_NEW_EXCEPT_PLACEMENT_NEW(); | |
46 WTF_MAKE_NONCOPYABLE(WTFThreadData); | |
47 | |
48 public: | |
49 WTFThreadData(); | |
50 ~WTFThreadData(); | |
51 | |
52 AtomicStringTable& getAtomicStringTable() { return *m_atomicStringTable; } | |
53 | |
54 ICUConverterWrapper& cachedConverterICU() { return *m_cachedConverterICU; } | |
55 | |
56 ThreadIdentifier threadId() const { return m_threadId; } | |
57 | |
58 // Must be called on the main thread before any callers to wtfThreadData(). | |
59 static void initialize(); | |
60 | |
61 #if OS(WIN) && COMPILER(MSVC) | |
62 static size_t threadStackSize(); | |
63 #endif | |
64 | |
65 private: | |
66 std::unique_ptr<AtomicStringTable> m_atomicStringTable; | |
67 std::unique_ptr<ICUConverterWrapper> m_cachedConverterICU; | |
68 | |
69 ThreadIdentifier m_threadId; | |
70 | |
71 #if OS(WIN) && COMPILER(MSVC) | |
72 size_t m_threadStackSize = 0u; | |
73 #endif | |
74 | |
75 static ThreadSpecific<WTFThreadData>* staticData; | |
76 friend WTFThreadData& wtfThreadData(); | |
77 }; | |
78 | |
79 inline WTFThreadData& wtfThreadData() { | |
80 DCHECK(WTFThreadData::staticData); | |
81 return **WTFThreadData::staticData; | |
82 } | |
83 | |
84 } // namespace WTF | |
85 | |
86 using WTF::WTFThreadData; | |
87 using WTF::wtfThreadData; | |
88 | |
89 #endif // WTFThreadData_h | |
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