ceph/src/boost/boost/winapi/init_once.hpp

   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_INIT_ONCE_HPP_INCLUDED_
  10 #define BOOST_WINAPI_INIT_ONCE_HPP_INCLUDED_
  11
  12 #include <boost/winapi/config.hpp>
  13
  14 #ifdef BOOST_HAS_PRAGMA_ONCE
  15 #pragma once
  16 #endif
  17
  18 #if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6
  19
  20 #include <boost/winapi/basic_types.hpp>
  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
  30 typedef boost::winapi::BOOL_
  31 (WINAPI *PINIT_ONCE_FN) (
  32     ::_RTL_RUN_ONCE* InitOnce,
  33     boost::winapi::PVOID_ Parameter,
  34     boost::winapi::PVOID_ *Context);
  35
  36 BOOST_SYMBOL_IMPORT boost::winapi::VOID_ WINAPI
  37 InitOnceInitialize(::_RTL_RUN_ONCE* InitOnce);
  38
  39 BOOST_SYMBOL_IMPORT boost::winapi::BOOL_ WINAPI
  40 InitOnceExecuteOnce(
  41     ::_RTL_RUN_ONCE* InitOnce,
  42     ::PINIT_ONCE_FN InitFn,
  43     boost::winapi::PVOID_ Parameter,
  44     boost::winapi::LPVOID_ *Context);
  45
  46 BOOST_SYMBOL_IMPORT boost::winapi::BOOL_ WINAPI
  47 InitOnceBeginInitialize(
  48     ::_RTL_RUN_ONCE* lpInitOnce,
  49     boost::winapi::DWORD_ dwFlags,
  50     boost::winapi::PBOOL_ fPending,
  51     boost::winapi::LPVOID_ *lpContext);
  52
  53 BOOST_SYMBOL_IMPORT boost::winapi::BOOL_ WINAPI
  54 InitOnceComplete(
  55     ::_RTL_RUN_ONCE* lpInitOnce,
  56     boost::winapi::DWORD_ dwFlags,
  57     boost::winapi::LPVOID_ lpContext);
  58 }
  59 #endif
  60
  61 namespace boost {
  62 namespace winapi {
  63
  64 typedef union BOOST_MAY_ALIAS _RTL_RUN_ONCE {
  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
  94 #define BOOST_WINAPI_INIT_ONCE_STATIC_INIT INIT_ONCE_STATIC_INIT
  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
 102 #define BOOST_WINAPI_INIT_ONCE_STATIC_INIT {0}
 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
 115 }
 116 }
 117
 118 #endif // BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6
 119
 120 #endif // BOOST_WINAPI_INIT_ONCE_HPP_INCLUDED_