1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
/*
* Copyright (C) 2007, 2008, 2010 Apple Inc. All rights reserved.
* Copyright (C) 2007 Justin Haygood (jhaygood@reaktix.com)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_THREADING_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_THREADING_H_
#include <stdint.h>
#include <memory>
#include "base/check_op.h"
#include "base/macros.h"
#include "base/threading/platform_thread.h"
#include "build/build_config.h"
#include "third_party/blink/renderer/platform/wtf/thread_specific.h"
#include "third_party/blink/renderer/platform/wtf/type_traits.h"
#include "third_party/blink/renderer/platform/wtf/wtf_export.h"
namespace WTF {
#if !defined(OS_ANDROID)
WTF_EXPORT base::PlatformThreadId CurrentThread();
#else
// On Android gettid(3) uses a faster TLS model than thread_local.
inline base::PlatformThreadId CurrentThread() {
return base::PlatformThread::CurrentId();
}
#endif // !defined(OS_ANDROID)
#if DCHECK_IS_ON()
WTF_EXPORT bool IsBeforeThreadCreated();
WTF_EXPORT void WillCreateThread();
WTF_EXPORT void SetIsBeforeThreadCreatedForTest();
#endif
class AtomicStringTable;
struct ICUConverterWrapper;
class WTF_EXPORT Threading {
DISALLOW_NEW();
public:
Threading();
~Threading();
AtomicStringTable& GetAtomicStringTable() { return *atomic_string_table_; }
ICUConverterWrapper& CachedConverterICU() { return *cached_converter_icu_; }
base::PlatformThreadId ThreadId() const { return thread_id_; }
// Must be called on the main thread before any callers to wtfThreadData().
static void Initialize();
#if defined(OS_WIN) && defined(COMPILER_MSVC)
static size_t ThreadStackSize();
#endif
private:
std::unique_ptr<AtomicStringTable> atomic_string_table_;
std::unique_ptr<ICUConverterWrapper> cached_converter_icu_;
base::PlatformThreadId thread_id_;
#if defined(OS_WIN) && defined(COMPILER_MSVC)
size_t thread_stack_size_ = 0u;
#endif
static ThreadSpecific<Threading>* static_data_;
friend Threading& WtfThreading();
DISALLOW_COPY_AND_ASSIGN(Threading);
};
inline Threading& WtfThreading() {
DCHECK(Threading::static_data_);
return **Threading::static_data_;
}
} // namespace WTF
using WTF::CurrentThread;
using WTF::Threading;
using WTF::WtfThreading;
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_THREADING_H_
|
