ceph/src/boost/libs/winapi/include/boost/detail/winapi/init_once.hpp

   1 //  init_once.hpp  --------------------------------------------------------------//
   2
   3 //  Copyright 2010 Vicente J. Botet Escriba
   4 //  Copyright 2015 Andrey Semashev
   5
   6 //  Distributed under the Boost Software License, Version 1.0.
   7 //  See http://www.boost.org/LICENSE_1_0.txt
   8
   9
  10 #ifndef BOOST_DETAIL_WINAPI_INIT_ONCE_HPP
  11 #define BOOST_DETAIL_WINAPI_INIT_ONCE_HPP
  12
  13 #include <boost/detail/winapi/config.hpp>
  14
  15 #ifdef BOOST_HAS_PRAGMA_ONCE
  16 #pragma once
  17 #endif
  18
  19 #if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6
  20
  21 #include <boost/detail/winapi/basic_types.hpp>
  22
  23 #if !defined( BOOST_USE_WINDOWS_H )
  24 extern "C" {
  25 #if defined( BOOST_WINAPI_IS_MINGW_W64 )
  26 struct _RTL_RUN_ONCE;
  27 #else
  28 union _RTL_RUN_ONCE;
  29 #endif
  30
  31 typedef boost::detail::winapi::BOOL_
  32 (WINAPI *PINIT_ONCE_FN) (
  33     ::_RTL_RUN_ONCE* InitOnce,
  34     boost::detail::winapi::PVOID_ Parameter,
  35     boost::detail::winapi::PVOID_ *Context);
  36
  37 BOOST_SYMBOL_IMPORT boost::detail::winapi::VOID_ WINAPI
  38 InitOnceInitialize(::_RTL_RUN_ONCE* InitOnce);
  39
  40 BOOST_SYMBOL_IMPORT boost::detail::winapi::BOOL_ WINAPI
  41 InitOnceExecuteOnce(
  42     ::_RTL_RUN_ONCE* InitOnce,
  43     ::PINIT_ONCE_FN InitFn,
  44     boost::detail::winapi::PVOID_ Parameter,
  45     boost::detail::winapi::LPVOID_ *Context);
  46
  47 BOOST_SYMBOL_IMPORT boost::detail::winapi::BOOL_ WINAPI
  48 InitOnceBeginInitialize(
  49     ::_RTL_RUN_ONCE* lpInitOnce,
  50     boost::detail::winapi::DWORD_ dwFlags,
  51     boost::detail::winapi::PBOOL_ fPending,
  52     boost::detail::winapi::LPVOID_ *lpContext);
  53
  54 BOOST_SYMBOL_IMPORT boost::detail::winapi::BOOL_ WINAPI
  55 InitOnceComplete(
  56     ::_RTL_RUN_ONCE* lpInitOnce,
  57     boost::detail::winapi::DWORD_ dwFlags,
  58     boost::detail::winapi::LPVOID_ lpContext);
  59 }
  60 #endif
  61
  62 namespace boost {
  63 namespace detail {
  64 namespace winapi {
  65
  66 typedef union BOOST_DETAIL_WINAPI_MAY_ALIAS _RTL_RUN_ONCE {
  67     PVOID_ Ptr;
  68 } INIT_ONCE_, *PINIT_ONCE_, *LPINIT_ONCE_;
  69
  70 extern "C" {
  71 typedef BOOL_ (WINAPI *PINIT_ONCE_FN_) (PINIT_ONCE_ lpInitOnce, PVOID_ Parameter, PVOID_ *Context);
  72 }
  73
  74 BOOST_FORCEINLINE VOID_ InitOnceInitialize(PINIT_ONCE_ lpInitOnce)
  75 {
  76     ::InitOnceInitialize(reinterpret_cast< ::_RTL_RUN_ONCE* >(lpInitOnce));
  77 }
  78
  79 BOOST_FORCEINLINE BOOL_ InitOnceExecuteOnce(PINIT_ONCE_ lpInitOnce, PINIT_ONCE_FN_ InitFn, PVOID_ Parameter, LPVOID_ *Context)
  80 {
  81     return ::InitOnceExecuteOnce(reinterpret_cast< ::_RTL_RUN_ONCE* >(lpInitOnce), reinterpret_cast< ::PINIT_ONCE_FN >(InitFn), Parameter, Context);
  82 }
  83
  84 BOOST_FORCEINLINE BOOL_ InitOnceBeginInitialize(PINIT_ONCE_ lpInitOnce, DWORD_ dwFlags, PBOOL_ fPending, LPVOID_ *lpContext)
  85 {
  86     return ::InitOnceBeginInitialize(reinterpret_cast< ::_RTL_RUN_ONCE* >(lpInitOnce), dwFlags, fPending, lpContext);
  87 }
  88
  89 BOOST_FORCEINLINE BOOL_ InitOnceComplete(PINIT_ONCE_ lpInitOnce, DWORD_ dwFlags, LPVOID_ lpContext)
  90 {
  91     return ::InitOnceComplete(reinterpret_cast< ::_RTL_RUN_ONCE* >(lpInitOnce), dwFlags, lpContext);
  92 }
  93
  94 #if defined( BOOST_USE_WINDOWS_H )
  95
  96 #define BOOST_DETAIL_WINAPI_INIT_ONCE_STATIC_INIT INIT_ONCE_STATIC_INIT
  97 const DWORD_ INIT_ONCE_ASYNC_ = INIT_ONCE_ASYNC;
  98 const DWORD_ INIT_ONCE_CHECK_ONLY_ = INIT_ONCE_CHECK_ONLY;
  99 const DWORD_ INIT_ONCE_INIT_FAILED_ = INIT_ONCE_INIT_FAILED;
 100 const DWORD_ INIT_ONCE_CTX_RESERVED_BITS_ = INIT_ONCE_CTX_RESERVED_BITS;
 101
 102 #else // defined( BOOST_USE_WINDOWS_H )
 103
 104 #define BOOST_DETAIL_WINAPI_INIT_ONCE_STATIC_INIT {0}
 105 const DWORD_ INIT_ONCE_ASYNC_ = 0x00000002UL;
 106 const DWORD_ INIT_ONCE_CHECK_ONLY_ = 0x00000001UL;
 107 const DWORD_ INIT_ONCE_INIT_FAILED_ = 0x00000004UL;
 108 const DWORD_ INIT_ONCE_CTX_RESERVED_BITS_ = 2;
 109
 110 #endif // defined( BOOST_USE_WINDOWS_H )
 111
 112 const DWORD_ init_once_async = INIT_ONCE_ASYNC_;
 113 const DWORD_ init_once_check_only = INIT_ONCE_CHECK_ONLY_;
 114 const DWORD_ init_once_init_failed = INIT_ONCE_INIT_FAILED_;
 115 const DWORD_ init_once_ctx_reserved_bits = INIT_ONCE_CTX_RESERVED_BITS_;
 116
 117 }
 118 }
 119 }
 120
 121 #endif // BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6
 122
 123 #endif // BOOST_DETAIL_WINAPI_INIT_ONCE_HPP