1 /*
2 * Copyright 2010 Vicente J. Botet Escriba
3 * Copyright 2015 Andrey Semashev
4 *
5 * Distributed under the Boost Software License, Version 1.0.
6 * See http://www.boost.org/LICENSE_1_0.txt
7 */
8
9 #ifndef BOOST_WINAPI_CRITICAL_SECTION_HPP_INCLUDED_
10 #define BOOST_WINAPI_CRITICAL_SECTION_HPP_INCLUDED_
11
12 #include <boost/winapi/basic_types.hpp>
13 #include <boost/winapi/detail/cast_ptr.hpp>
14
15 #ifdef BOOST_HAS_PRAGMA_ONCE
16 #pragma once
17 #endif
18
19 #if !defined( BOOST_USE_WINDOWS_H )
20
21 extern "C" {
22 #if !defined( BOOST_WINAPI_IS_MINGW )
23 struct _RTL_CRITICAL_SECTION;
24
25 #if BOOST_WINAPI_PARTITION_APP_SYSTEM
26 BOOST_SYMBOL_IMPORT boost::winapi::VOID_ BOOST_WINAPI_WINAPI_CC
27 InitializeCriticalSection(::_RTL_CRITICAL_SECTION* lpCriticalSection);
28 #endif
29
30 BOOST_SYMBOL_IMPORT boost::winapi::VOID_ BOOST_WINAPI_WINAPI_CC
31 EnterCriticalSection(::_RTL_CRITICAL_SECTION* lpCriticalSection);
32
33 BOOST_SYMBOL_IMPORT boost::winapi::VOID_ BOOST_WINAPI_WINAPI_CC
34 LeaveCriticalSection(::_RTL_CRITICAL_SECTION* lpCriticalSection);
35
36 #if BOOST_USE_WINAPI_VERSION >= 0x0403
37 #if BOOST_WINAPI_PARTITION_APP_SYSTEM
38 BOOST_SYMBOL_IMPORT boost::winapi::BOOL_ BOOST_WINAPI_WINAPI_CC
39 InitializeCriticalSectionAndSpinCount(
40 ::_RTL_CRITICAL_SECTION* lpCriticalSection,
41 boost::winapi::DWORD_ dwSpinCount);
42
43 BOOST_SYMBOL_IMPORT boost::winapi::DWORD_ BOOST_WINAPI_WINAPI_CC
44 SetCriticalSectionSpinCount(
45 ::_RTL_CRITICAL_SECTION* lpCriticalSection,
46 boost::winapi::DWORD_ dwSpinCount);
47 #endif
48
49 #if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6
50 BOOST_SYMBOL_IMPORT boost::winapi::BOOL_ BOOST_WINAPI_WINAPI_CC
51 InitializeCriticalSectionEx(
52 ::_RTL_CRITICAL_SECTION* lpCriticalSection,
53 boost::winapi::DWORD_ dwSpinCount,
54 boost::winapi::DWORD_ Flags);
55 #endif
56 #endif
57
58 #if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_NT4
59 BOOST_SYMBOL_IMPORT boost::winapi::BOOL_ BOOST_WINAPI_WINAPI_CC
60 TryEnterCriticalSection(::_RTL_CRITICAL_SECTION* lpCriticalSection);
61 #endif
62
63 BOOST_SYMBOL_IMPORT boost::winapi::VOID_ BOOST_WINAPI_WINAPI_CC
64 DeleteCriticalSection(::_RTL_CRITICAL_SECTION* lpCriticalSection);
65
66 #else // defined( BOOST_WINAPI_IS_MINGW )
67
68 // MinGW uses a different name for the structure
69 struct _CRITICAL_SECTION;
70
71 BOOST_SYMBOL_IMPORT boost::winapi::VOID_ BOOST_WINAPI_WINAPI_CC
72 InitializeCriticalSection(::_CRITICAL_SECTION* lpCriticalSection);
73
74 BOOST_SYMBOL_IMPORT boost::winapi::VOID_ BOOST_WINAPI_WINAPI_CC
75 EnterCriticalSection(::_CRITICAL_SECTION* lpCriticalSection);
76
77 BOOST_SYMBOL_IMPORT boost::winapi::VOID_ BOOST_WINAPI_WINAPI_CC
78 LeaveCriticalSection(::_CRITICAL_SECTION* lpCriticalSection);
79
80 #if BOOST_USE_WINAPI_VERSION >= 0x0403
81 BOOST_SYMBOL_IMPORT boost::winapi::BOOL_ BOOST_WINAPI_WINAPI_CC
82 InitializeCriticalSectionAndSpinCount(
83 ::_CRITICAL_SECTION* lpCriticalSection,
84 boost::winapi::DWORD_ dwSpinCount);
85
86 #if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6
87 BOOST_SYMBOL_IMPORT boost::winapi::BOOL_ BOOST_WINAPI_WINAPI_CC
88 InitializeCriticalSectionEx(
89 ::_CRITICAL_SECTION* lpCriticalSection,
90 boost::winapi::DWORD_ dwSpinCount,
91 boost::winapi::DWORD_ Flags);
92 #endif
93
94 BOOST_SYMBOL_IMPORT boost::winapi::DWORD_ BOOST_WINAPI_WINAPI_CC
95 SetCriticalSectionSpinCount(
96 ::_CRITICAL_SECTION* lpCriticalSection,
97 boost::winapi::DWORD_ dwSpinCount);
98 #endif
99
100 #if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_NT4
101 BOOST_SYMBOL_IMPORT boost::winapi::BOOL_ BOOST_WINAPI_WINAPI_CC
102 TryEnterCriticalSection(::_CRITICAL_SECTION* lpCriticalSection);
103 #endif
104
105 BOOST_SYMBOL_IMPORT boost::winapi::VOID_ BOOST_WINAPI_WINAPI_CC
106 DeleteCriticalSection(::_CRITICAL_SECTION* lpCriticalSection);
107
108 #endif // defined( BOOST_WINAPI_IS_MINGW )
109 } // extern "C"
110 #endif
111
112 namespace boost {
113 namespace winapi {
114
115 struct _RTL_CRITICAL_SECTION_DEBUG;
116
117 #pragma pack(push, 8)
118
119 typedef struct BOOST_MAY_ALIAS _RTL_CRITICAL_SECTION {
120 _RTL_CRITICAL_SECTION_DEBUG* DebugInfo;
121 LONG_ LockCount;
122 LONG_ RecursionCount;
123 HANDLE_ OwningThread;
124 HANDLE_ LockSemaphore;
125 ULONG_PTR_ SpinCount;
126 } CRITICAL_SECTION_, *PCRITICAL_SECTION_;
127
128 #pragma pack(pop)
129
130 #if BOOST_WINAPI_PARTITION_APP_SYSTEM
InitializeCriticalSection(CRITICAL_SECTION_ * lpCriticalSection)131 BOOST_FORCEINLINE VOID_ InitializeCriticalSection(CRITICAL_SECTION_* lpCriticalSection)
132 {
133 ::InitializeCriticalSection(winapi::detail::cast_ptr(lpCriticalSection));
134 }
135 #endif
136
EnterCriticalSection(CRITICAL_SECTION_ * lpCriticalSection)137 BOOST_FORCEINLINE VOID_ EnterCriticalSection(CRITICAL_SECTION_* lpCriticalSection)
138 {
139 ::EnterCriticalSection(winapi::detail::cast_ptr(lpCriticalSection));
140 }
141
LeaveCriticalSection(CRITICAL_SECTION_ * lpCriticalSection)142 BOOST_FORCEINLINE VOID_ LeaveCriticalSection(CRITICAL_SECTION_* lpCriticalSection)
143 {
144 ::LeaveCriticalSection(winapi::detail::cast_ptr(lpCriticalSection));
145 }
146
147 #if BOOST_USE_WINAPI_VERSION >= 0x0403
148 #if BOOST_WINAPI_PARTITION_APP_SYSTEM
InitializeCriticalSectionAndSpinCount(CRITICAL_SECTION_ * lpCriticalSection,DWORD_ dwSpinCount)149 BOOST_FORCEINLINE BOOL_ InitializeCriticalSectionAndSpinCount(CRITICAL_SECTION_* lpCriticalSection, DWORD_ dwSpinCount)
150 {
151 return ::InitializeCriticalSectionAndSpinCount(winapi::detail::cast_ptr(lpCriticalSection), dwSpinCount);
152 }
153
SetCriticalSectionSpinCount(CRITICAL_SECTION_ * lpCriticalSection,DWORD_ dwSpinCount)154 BOOST_FORCEINLINE DWORD_ SetCriticalSectionSpinCount(CRITICAL_SECTION_* lpCriticalSection, DWORD_ dwSpinCount)
155 {
156 return ::SetCriticalSectionSpinCount(winapi::detail::cast_ptr(lpCriticalSection), dwSpinCount);
157 }
158 #endif
159
160 // CRITICAL_SECTION_NO_DEBUG_INFO is defined for WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
161 BOOST_CONSTEXPR_OR_CONST DWORD_ CRITICAL_SECTION_NO_DEBUG_INFO_ = 0x01000000;
162 BOOST_CONSTEXPR_OR_CONST DWORD_ CRITICAL_SECTION_FLAG_NO_DEBUG_INFO_ = CRITICAL_SECTION_NO_DEBUG_INFO_;
163 BOOST_CONSTEXPR_OR_CONST DWORD_ CRITICAL_SECTION_FLAG_DYNAMIC_SPIN_ = 0x02000000; // undocumented
164 BOOST_CONSTEXPR_OR_CONST DWORD_ CRITICAL_SECTION_FLAG_STATIC_INIT_ = 0x04000000; // undocumented
165
166 #if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6
InitializeCriticalSectionEx(CRITICAL_SECTION_ * lpCriticalSection,DWORD_ dwSpinCount,DWORD_ Flags)167 BOOST_FORCEINLINE BOOL_ InitializeCriticalSectionEx(CRITICAL_SECTION_* lpCriticalSection, DWORD_ dwSpinCount, DWORD_ Flags)
168 {
169 return ::InitializeCriticalSectionEx(winapi::detail::cast_ptr(lpCriticalSection), dwSpinCount, Flags);
170 }
171 #endif // BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6
172 #endif // BOOST_USE_WINAPI_VERSION >= 0x0403
173
174 #if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_NT4
TryEnterCriticalSection(CRITICAL_SECTION_ * lpCriticalSection)175 BOOST_FORCEINLINE BOOL_ TryEnterCriticalSection(CRITICAL_SECTION_* lpCriticalSection)
176 {
177 return ::TryEnterCriticalSection(winapi::detail::cast_ptr(lpCriticalSection));
178 }
179 #endif // BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_NT4
180
DeleteCriticalSection(CRITICAL_SECTION_ * lpCriticalSection)181 BOOST_FORCEINLINE VOID_ DeleteCriticalSection(CRITICAL_SECTION_* lpCriticalSection)
182 {
183 ::DeleteCriticalSection(winapi::detail::cast_ptr(lpCriticalSection));
184 }
185
186 }
187 }
188
189 #endif // BOOST_WINAPI_CRITICAL_SECTION_HPP_INCLUDED_
190