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b32b8144 FG |
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 | */ | |
7c673cae | 8 | |
b32b8144 FG |
9 | #ifndef BOOST_WINAPI_INIT_ONCE_HPP_INCLUDED_ |
10 | #define BOOST_WINAPI_INIT_ONCE_HPP_INCLUDED_ | |
7c673cae | 11 | |
b32b8144 | 12 | #include <boost/winapi/config.hpp> |
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13 | |
14 | #ifdef BOOST_HAS_PRAGMA_ONCE | |
15 | #pragma once | |
16 | #endif | |
17 | ||
18 | #if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6 | |
19 | ||
b32b8144 | 20 | #include <boost/winapi/basic_types.hpp> |
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21 | |
22 | #if !defined( BOOST_USE_WINDOWS_H ) | |
23 | extern "C" { | |
24 | #if defined( BOOST_WINAPI_IS_MINGW_W64 ) | |
25 | struct _RTL_RUN_ONCE; | |
26 | #else | |
27 | union _RTL_RUN_ONCE; | |
28 | #endif | |
29 | ||
b32b8144 | 30 | typedef boost::winapi::BOOL_ |
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31 | (WINAPI *PINIT_ONCE_FN) ( |
32 | ::_RTL_RUN_ONCE* InitOnce, | |
b32b8144 FG |
33 | boost::winapi::PVOID_ Parameter, |
34 | boost::winapi::PVOID_ *Context); | |
7c673cae | 35 | |
b32b8144 | 36 | BOOST_SYMBOL_IMPORT boost::winapi::VOID_ WINAPI |
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37 | InitOnceInitialize(::_RTL_RUN_ONCE* InitOnce); |
38 | ||
b32b8144 | 39 | BOOST_SYMBOL_IMPORT boost::winapi::BOOL_ WINAPI |
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40 | InitOnceExecuteOnce( |
41 | ::_RTL_RUN_ONCE* InitOnce, | |
42 | ::PINIT_ONCE_FN InitFn, | |
b32b8144 FG |
43 | boost::winapi::PVOID_ Parameter, |
44 | boost::winapi::LPVOID_ *Context); | |
7c673cae | 45 | |
b32b8144 | 46 | BOOST_SYMBOL_IMPORT boost::winapi::BOOL_ WINAPI |
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47 | InitOnceBeginInitialize( |
48 | ::_RTL_RUN_ONCE* lpInitOnce, | |
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49 | boost::winapi::DWORD_ dwFlags, |
50 | boost::winapi::PBOOL_ fPending, | |
51 | boost::winapi::LPVOID_ *lpContext); | |
7c673cae | 52 | |
b32b8144 | 53 | BOOST_SYMBOL_IMPORT boost::winapi::BOOL_ WINAPI |
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54 | InitOnceComplete( |
55 | ::_RTL_RUN_ONCE* lpInitOnce, | |
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56 | boost::winapi::DWORD_ dwFlags, |
57 | boost::winapi::LPVOID_ lpContext); | |
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58 | } |
59 | #endif | |
60 | ||
61 | namespace boost { | |
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62 | namespace winapi { |
63 | ||
b32b8144 | 64 | typedef union BOOST_MAY_ALIAS _RTL_RUN_ONCE { |
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65 | PVOID_ Ptr; |
66 | } INIT_ONCE_, *PINIT_ONCE_, *LPINIT_ONCE_; | |
67 | ||
68 | extern "C" { | |
69 | typedef BOOL_ (WINAPI *PINIT_ONCE_FN_) (PINIT_ONCE_ lpInitOnce, PVOID_ Parameter, PVOID_ *Context); | |
70 | } | |
71 | ||
72 | BOOST_FORCEINLINE VOID_ InitOnceInitialize(PINIT_ONCE_ lpInitOnce) | |
73 | { | |
74 | ::InitOnceInitialize(reinterpret_cast< ::_RTL_RUN_ONCE* >(lpInitOnce)); | |
75 | } | |
76 | ||
77 | BOOST_FORCEINLINE BOOL_ InitOnceExecuteOnce(PINIT_ONCE_ lpInitOnce, PINIT_ONCE_FN_ InitFn, PVOID_ Parameter, LPVOID_ *Context) | |
78 | { | |
79 | return ::InitOnceExecuteOnce(reinterpret_cast< ::_RTL_RUN_ONCE* >(lpInitOnce), reinterpret_cast< ::PINIT_ONCE_FN >(InitFn), Parameter, Context); | |
80 | } | |
81 | ||
82 | BOOST_FORCEINLINE BOOL_ InitOnceBeginInitialize(PINIT_ONCE_ lpInitOnce, DWORD_ dwFlags, PBOOL_ fPending, LPVOID_ *lpContext) | |
83 | { | |
84 | return ::InitOnceBeginInitialize(reinterpret_cast< ::_RTL_RUN_ONCE* >(lpInitOnce), dwFlags, fPending, lpContext); | |
85 | } | |
86 | ||
87 | BOOST_FORCEINLINE BOOL_ InitOnceComplete(PINIT_ONCE_ lpInitOnce, DWORD_ dwFlags, LPVOID_ lpContext) | |
88 | { | |
89 | return ::InitOnceComplete(reinterpret_cast< ::_RTL_RUN_ONCE* >(lpInitOnce), dwFlags, lpContext); | |
90 | } | |
91 | ||
92 | #if defined( BOOST_USE_WINDOWS_H ) | |
93 | ||
b32b8144 | 94 | #define BOOST_WINAPI_INIT_ONCE_STATIC_INIT INIT_ONCE_STATIC_INIT |
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95 | const DWORD_ INIT_ONCE_ASYNC_ = INIT_ONCE_ASYNC; |
96 | const DWORD_ INIT_ONCE_CHECK_ONLY_ = INIT_ONCE_CHECK_ONLY; | |
97 | const DWORD_ INIT_ONCE_INIT_FAILED_ = INIT_ONCE_INIT_FAILED; | |
98 | const DWORD_ INIT_ONCE_CTX_RESERVED_BITS_ = INIT_ONCE_CTX_RESERVED_BITS; | |
99 | ||
100 | #else // defined( BOOST_USE_WINDOWS_H ) | |
101 | ||
b32b8144 | 102 | #define BOOST_WINAPI_INIT_ONCE_STATIC_INIT {0} |
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103 | const DWORD_ INIT_ONCE_ASYNC_ = 0x00000002UL; |
104 | const DWORD_ INIT_ONCE_CHECK_ONLY_ = 0x00000001UL; | |
105 | const DWORD_ INIT_ONCE_INIT_FAILED_ = 0x00000004UL; | |
106 | const DWORD_ INIT_ONCE_CTX_RESERVED_BITS_ = 2; | |
107 | ||
108 | #endif // defined( BOOST_USE_WINDOWS_H ) | |
109 | ||
110 | const DWORD_ init_once_async = INIT_ONCE_ASYNC_; | |
111 | const DWORD_ init_once_check_only = INIT_ONCE_CHECK_ONLY_; | |
112 | const DWORD_ init_once_init_failed = INIT_ONCE_INIT_FAILED_; | |
113 | const DWORD_ init_once_ctx_reserved_bits = INIT_ONCE_CTX_RESERVED_BITS_; | |
114 | ||
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115 | } |
116 | } | |
117 | ||
118 | #endif // BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6 | |
119 | ||
b32b8144 | 120 | #endif // BOOST_WINAPI_INIT_ONCE_HPP_INCLUDED_ |