63e88f80
 Hu Chunming
提交三方库
|
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
|
//
// time_traits.hpp
// ~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2022 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// 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)
//
#ifndef BOOST_ASIO_TIME_TRAITS_HPP
#define BOOST_ASIO_TIME_TRAITS_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include <boost/asio/detail/socket_types.hpp> // Must come before posix_time.
#if defined(BOOST_ASIO_HAS_BOOST_DATE_TIME) \
|| defined(GENERATING_DOCUMENTATION)
#include <boost/date_time/posix_time/posix_time_types.hpp>
#include <boost/asio/detail/push_options.hpp>
namespace boost {
namespace asio {
/// Time traits suitable for use with the deadline timer.
template <typename Time>
struct time_traits;
/// Time traits specialised for posix_time.
template <>
struct time_traits<boost::posix_time::ptime>
{
/// The time type.
typedef boost::posix_time::ptime time_type;
/// The duration type.
typedef boost::posix_time::time_duration duration_type;
/// Get the current time.
static time_type now()
{
#if defined(BOOST_DATE_TIME_HAS_HIGH_PRECISION_CLOCK)
return boost::posix_time::microsec_clock::universal_time();
#else // defined(BOOST_DATE_TIME_HAS_HIGH_PRECISION_CLOCK)
return boost::posix_time::second_clock::universal_time();
#endif // defined(BOOST_DATE_TIME_HAS_HIGH_PRECISION_CLOCK)
}
/// Add a duration to a time.
static time_type add(const time_type& t, const duration_type& d)
{
return t + d;
}
/// Subtract one time from another.
static duration_type subtract(const time_type& t1, const time_type& t2)
{
return t1 - t2;
}
/// Test whether one time is less than another.
static bool less_than(const time_type& t1, const time_type& t2)
{
return t1 < t2;
}
/// Convert to POSIX duration type.
static boost::posix_time::time_duration to_posix_duration(
const duration_type& d)
{
return d;
}
};
} // namespace asio
} // namespace boost
#include <boost/asio/detail/pop_options.hpp>
#endif // defined(BOOST_ASIO_HAS_BOOST_DATE_TIME)
// || defined(GENERATING_DOCUMENTATION)
#endif // BOOST_ASIO_TIME_TRAITS_HPP
|
