/usr/include/boost/log/detail/timestamp.hpp is in libboost1.54-dev 1.54.0-4ubuntu3.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 | /*
* Copyright Andrey Semashev 2007 - 2013.
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
* http://www.boost.org/LICENSE_1_0.txt)
*/
/*!
* \file timestamp.hpp
* \author Andrey Semashev
* \date 31.07.2011
*
* \brief This header is the Boost.Log library implementation, see the library documentation
* at http://www.boost.org/libs/log/doc/log.html.
*/
#ifndef BOOST_LOG_DETAIL_TIMESTAMP_HPP_INCLUDED_
#define BOOST_LOG_DETAIL_TIMESTAMP_HPP_INCLUDED_
#include <boost/cstdint.hpp>
#include <boost/log/detail/config.hpp>
#include <boost/log/detail/header.hpp>
#ifdef BOOST_LOG_HAS_PRAGMA_ONCE
#pragma once
#endif
namespace boost {
BOOST_LOG_OPEN_NAMESPACE
namespace aux {
/*!
* Duration between two timestamps
*/
class duration
{
int64_t m_ticks;
public:
explicit duration(int64_t ticks = 0) : m_ticks(ticks) {}
#if defined(BOOST_WINDOWS) && !defined(__CYGWIN__)
int64_t milliseconds() const { return m_ticks; }
#else
BOOST_LOG_API int64_t milliseconds() const;
#endif
};
/*!
* Opaque timestamp class
*/
class timestamp
{
uint64_t m_ticks;
public:
explicit timestamp(uint64_t ticks = 0) : m_ticks(ticks) {}
duration operator- (timestamp that) const
{
return duration(m_ticks - that.m_ticks);
}
};
/*!
* \fn get_timestamp
*
* The function returns a timestamp, in opaque units since an unspecified
* time point. This timer is guaranteed to be monotonic, it should not
* be affected by clock changes, either manual or seasonal. Also, it
* should be as fast as possible.
*/
#if defined(BOOST_WINDOWS) && !defined(__CYGWIN__)
typedef uint64_t (__stdcall* get_tick_count_t)();
extern BOOST_LOG_API get_tick_count_t get_tick_count;
inline timestamp get_timestamp()
{
return timestamp(get_tick_count());
}
#else
typedef timestamp (*get_timestamp_t)();
extern BOOST_LOG_API get_timestamp_t get_timestamp;
#endif
} // namespace aux
BOOST_LOG_CLOSE_NAMESPACE // namespace log
} // namespace boost
#include <boost/log/detail/footer.hpp>
#endif // BOOST_LOG_DETAIL_TIMESTAMP_HPP_INCLUDED_
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