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1// timers.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_TIMERS_HPP
11#define BOOST_DETAIL_WINAPI_TIMERS_HPP
12
13#include <boost/detail/winapi/basic_types.hpp>
14
15#ifdef BOOST_HAS_PRAGMA_ONCE
16#pragma once
17#endif
18
19#if !defined( BOOST_USE_WINDOWS_H )
20extern "C" {
21BOOST_SYMBOL_IMPORT boost::detail::winapi::BOOL_ WINAPI
22QueryPerformanceCounter(::_LARGE_INTEGER* lpPerformanceCount);
23
24BOOST_SYMBOL_IMPORT boost::detail::winapi::BOOL_ WINAPI
25QueryPerformanceFrequency(::_LARGE_INTEGER* lpFrequency);
26}
27#endif
28
29
30namespace boost {
31namespace detail {
32namespace winapi {
33
34BOOST_FORCEINLINE BOOL_ QueryPerformanceCounter(LARGE_INTEGER_* lpPerformanceCount)
35{
36 return ::QueryPerformanceCounter(reinterpret_cast< ::_LARGE_INTEGER* >(lpPerformanceCount));
37}
38
39BOOST_FORCEINLINE BOOL_ QueryPerformanceFrequency(LARGE_INTEGER_* lpFrequency)
40{
41 return ::QueryPerformanceFrequency(reinterpret_cast< ::_LARGE_INTEGER* >(lpFrequency));
42}
43
44}
45}
46}
47
48#endif // BOOST_DETAIL_WINAPI_TIMERS_HPP