124 lines
3.9 KiB
C++
124 lines
3.9 KiB
C++
// init_once.hpp --------------------------------------------------------------//
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// Copyright 2010 Vicente J. Botet Escriba
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// Copyright 2015 Andrey Semashev
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// Distributed under the Boost Software License, Version 1.0.
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// See http://www.boost.org/LICENSE_1_0.txt
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#ifndef BOOST_DETAIL_WINAPI_INIT_ONCE_HPP
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#define BOOST_DETAIL_WINAPI_INIT_ONCE_HPP
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#include <boost/detail/winapi/config.hpp>
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#ifdef BOOST_HAS_PRAGMA_ONCE
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#pragma once
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#endif
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#if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6
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#include <boost/detail/winapi/basic_types.hpp>
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#if !defined( BOOST_USE_WINDOWS_H )
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extern "C" {
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#if defined( BOOST_WINAPI_IS_MINGW_W64 )
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struct _RTL_RUN_ONCE;
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#else
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union _RTL_RUN_ONCE;
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#endif
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typedef boost::detail::winapi::BOOL_
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(WINAPI *PINIT_ONCE_FN) (
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::_RTL_RUN_ONCE* InitOnce,
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boost::detail::winapi::PVOID_ Parameter,
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boost::detail::winapi::PVOID_ *Context);
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BOOST_SYMBOL_IMPORT boost::detail::winapi::VOID_ WINAPI
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InitOnceInitialize(::_RTL_RUN_ONCE* InitOnce);
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BOOST_SYMBOL_IMPORT boost::detail::winapi::BOOL_ WINAPI
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InitOnceExecuteOnce(
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::_RTL_RUN_ONCE* InitOnce,
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::PINIT_ONCE_FN InitFn,
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boost::detail::winapi::PVOID_ Parameter,
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boost::detail::winapi::LPVOID_ *Context);
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BOOST_SYMBOL_IMPORT boost::detail::winapi::BOOL_ WINAPI
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InitOnceBeginInitialize(
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::_RTL_RUN_ONCE* lpInitOnce,
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boost::detail::winapi::DWORD_ dwFlags,
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boost::detail::winapi::PBOOL_ fPending,
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boost::detail::winapi::LPVOID_ *lpContext);
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BOOST_SYMBOL_IMPORT boost::detail::winapi::BOOL_ WINAPI
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InitOnceComplete(
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::_RTL_RUN_ONCE* lpInitOnce,
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boost::detail::winapi::DWORD_ dwFlags,
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boost::detail::winapi::LPVOID_ lpContext);
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}
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#endif
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namespace boost {
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namespace detail {
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namespace winapi {
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typedef union BOOST_DETAIL_WINAPI_MAY_ALIAS _RTL_RUN_ONCE {
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PVOID_ Ptr;
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} INIT_ONCE_, *PINIT_ONCE_, *LPINIT_ONCE_;
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extern "C" {
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typedef BOOL_ (WINAPI *PINIT_ONCE_FN_) (PINIT_ONCE_ lpInitOnce, PVOID_ Parameter, PVOID_ *Context);
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}
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BOOST_FORCEINLINE VOID_ InitOnceInitialize(PINIT_ONCE_ lpInitOnce)
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{
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::InitOnceInitialize(reinterpret_cast< ::_RTL_RUN_ONCE* >(lpInitOnce));
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}
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BOOST_FORCEINLINE BOOL_ InitOnceExecuteOnce(PINIT_ONCE_ lpInitOnce, PINIT_ONCE_FN_ InitFn, PVOID_ Parameter, LPVOID_ *Context)
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{
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return ::InitOnceExecuteOnce(reinterpret_cast< ::_RTL_RUN_ONCE* >(lpInitOnce), reinterpret_cast< ::PINIT_ONCE_FN >(InitFn), Parameter, Context);
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}
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BOOST_FORCEINLINE BOOL_ InitOnceBeginInitialize(PINIT_ONCE_ lpInitOnce, DWORD_ dwFlags, PBOOL_ fPending, LPVOID_ *lpContext)
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{
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return ::InitOnceBeginInitialize(reinterpret_cast< ::_RTL_RUN_ONCE* >(lpInitOnce), dwFlags, fPending, lpContext);
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}
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BOOST_FORCEINLINE BOOL_ InitOnceComplete(PINIT_ONCE_ lpInitOnce, DWORD_ dwFlags, LPVOID_ lpContext)
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{
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return ::InitOnceComplete(reinterpret_cast< ::_RTL_RUN_ONCE* >(lpInitOnce), dwFlags, lpContext);
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}
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#if defined( BOOST_USE_WINDOWS_H )
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#define BOOST_DETAIL_WINAPI_INIT_ONCE_STATIC_INIT INIT_ONCE_STATIC_INIT
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const DWORD_ INIT_ONCE_ASYNC_ = INIT_ONCE_ASYNC;
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const DWORD_ INIT_ONCE_CHECK_ONLY_ = INIT_ONCE_CHECK_ONLY;
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const DWORD_ INIT_ONCE_INIT_FAILED_ = INIT_ONCE_INIT_FAILED;
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const DWORD_ INIT_ONCE_CTX_RESERVED_BITS_ = INIT_ONCE_CTX_RESERVED_BITS;
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#else // defined( BOOST_USE_WINDOWS_H )
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#define BOOST_DETAIL_WINAPI_INIT_ONCE_STATIC_INIT {0}
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const DWORD_ INIT_ONCE_ASYNC_ = 0x00000002UL;
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const DWORD_ INIT_ONCE_CHECK_ONLY_ = 0x00000001UL;
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const DWORD_ INIT_ONCE_INIT_FAILED_ = 0x00000004UL;
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const DWORD_ INIT_ONCE_CTX_RESERVED_BITS_ = 2;
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#endif // defined( BOOST_USE_WINDOWS_H )
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const DWORD_ init_once_async = INIT_ONCE_ASYNC_;
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const DWORD_ init_once_check_only = INIT_ONCE_CHECK_ONLY_;
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const DWORD_ init_once_init_failed = INIT_ONCE_INIT_FAILED_;
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const DWORD_ init_once_ctx_reserved_bits = INIT_ONCE_CTX_RESERVED_BITS_;
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}
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}
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}
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#endif // BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6
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#endif // BOOST_DETAIL_WINAPI_INIT_ONCE_HPP
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