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
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174 | /**************************************************************************/
/* thread_local.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#ifndef MONO_THREAD_LOCAL_H
#define MONO_THREAD_LOCAL_H
#ifdef HAVE_CXX11_THREAD_LOCAL
#define _THREAD_LOCAL_(m_t) thread_local m_t
#else
#if !defined(__GNUC__) && !defined(_MSC_VER)
#error Platform or compiler not supported
#endif
#if defined(__GNUC__)
#ifdef HAVE_GCC___THREAD
#define _THREAD_LOCAL_(m_t) __thread m_t
#else
#define USE_CUSTOM_THREAD_LOCAL
#endif
#elif defined(_MSC_VER)
#ifdef HAVE_DECLSPEC_THREAD
#define _THREAD_LOCAL_(m_t) __declspec(thread) m_t
#else
#define USE_CUSTOM_THREAD_LOCAL
#endif
#endif // __GNUC__ _MSC_VER
#endif // HAVE_CXX11_THREAD_LOCAL
#ifdef USE_CUSTOM_THREAD_LOCAL
#define _THREAD_LOCAL_(m_t) ThreadLocal<m_t>
#endif
#include "core/typedefs.h"
#ifdef WINDOWS_ENABLED
#define _CALLBACK_FUNC_ __stdcall
#else
#define _CALLBACK_FUNC_
#endif
struct ThreadLocalStorage {<--- The struct 'ThreadLocalStorage' does not declare a constructor although it has private member variables which likely require initialization. [+]The struct 'ThreadLocalStorage' does not declare a constructor although it has private member variables. Member variables of builtin types are left uninitialized when the class is instantiated. That may cause bugs or undefined behavior.
void *get_value() const;
void set_value(void *p_value) const;
void alloc(void(_CALLBACK_FUNC_ *p_destr_callback)(void *));
void free();
private:
struct Impl;
Impl *pimpl;
};
template <typename T>
class ThreadLocal {
ThreadLocalStorage storage;
T init_val;
static void _CALLBACK_FUNC_ destr_callback(void *tls_data) {
memdelete(static_cast<T *>(tls_data));
}
T *_tls_get_value() const {
void *tls_data = storage.get_value();
if (tls_data)
return static_cast<T *>(tls_data);
T *data = memnew(T(init_val));
storage.set_value(data);
return data;
}
void _initialize(const T &p_init_val) {
init_val = p_init_val;
storage.alloc(&destr_callback);
}
public:
ThreadLocal() {
_initialize(T());
}
ThreadLocal(const T &p_init_val) {<--- Class 'ThreadLocal' has a constructor with 1 argument that is not explicit. [+]Class 'ThreadLocal' has a constructor with 1 argument that is not explicit. Such constructors should in general be explicit for type safety reasons. Using the explicit keyword in the constructor means some mistakes when using the class can be avoided. <--- Class 'ThreadLocal < int >' has a constructor with 1 argument that is not explicit. [+]Class 'ThreadLocal < int >' has a constructor with 1 argument that is not explicit. Such constructors should in general be explicit for type safety reasons. Using the explicit keyword in the constructor means some mistakes when using the class can be avoided.
_initialize(p_init_val);
}
ThreadLocal(const ThreadLocal &other) {
_initialize(*other._tls_get_value());
}
~ThreadLocal() {
storage.free();
}
_FORCE_INLINE_ T *operator&() const {
return _tls_get_value();
}
_FORCE_INLINE_ operator T &() const {
return *_tls_get_value();
}
_FORCE_INLINE_ ThreadLocal &operator=(const T &val) {
T *ptr = _tls_get_value();
*ptr = val;
return *this;
}
};
struct FlagScopeGuard {
FlagScopeGuard(bool &p_flag) :<--- Struct 'FlagScopeGuard' has a constructor with 1 argument that is not explicit. [+]Struct 'FlagScopeGuard' has a constructor with 1 argument that is not explicit. Such constructors should in general be explicit for type safety reasons. Using the explicit keyword in the constructor means some mistakes when using the class can be avoided.
flag(p_flag) {
flag = !flag;
}
~FlagScopeGuard() {
flag = !flag;
}
private:
bool &flag;
};
#undef _CALLBACK_FUNC_
#define _TLS_RECURSION_GUARD_V_(m_ret) \
static _THREAD_LOCAL_(bool) _recursion_flag_ = false; \
if (_recursion_flag_) \
return m_ret; \
FlagScopeGuard _recursion_guard_(_recursion_flag_);
#define _TLS_RECURSION_GUARD_ \
static _THREAD_LOCAL_(bool) _recursion_flag_ = false; \
if (_recursion_flag_) \
return; \
FlagScopeGuard _recursion_guard_(_recursion_flag_);
#endif // MONO_THREAD_LOCAL_H
|