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