source: NonGTP/Boost/boost/thread/xtime.hpp @ 857

Revision 857, 1.6 KB checked in by igarcia, 19 years ago (diff)
Line 
1// Copyright (C) 2001-2003
2// William E. Kempf
3//
4// Permission to use, copy, modify, distribute and sell this software
5// and its documentation for any purpose is hereby granted without fee,
6// provided that the above copyright notice appear in all copies and
7// that both that copyright notice and this permission notice appear
8// in supporting documentation.  William E. Kempf makes no representations
9// about the suitability of this software for any purpose.
10// It is provided "as is" without express or implied warranty.
11
12#ifndef BOOST_XTIME_WEK070601_HPP
13#define BOOST_XTIME_WEK070601_HPP
14
15#include <boost/thread/detail/config.hpp>
16
17#include <boost/cstdint.hpp>
18
19namespace boost {
20
21enum xtime_clock_types
22{
23    TIME_UTC=1
24//    TIME_TAI,
25//    TIME_MONOTONIC,
26//    TIME_PROCESS,
27//    TIME_THREAD,
28//    TIME_LOCAL,
29//    TIME_SYNC,
30//    TIME_RESOLUTION
31};
32
33struct xtime
34{
35#if defined(BOOST_NO_INT64_T)
36    typedef int_fast32_t xtime_sec_t; //INT_FAST32_MIN <= sec <= INT_FAST32_MAX
37#else
38    typedef int_fast64_t xtime_sec_t; //INT_FAST64_MIN <= sec <= INT_FAST64_MAX
39#endif
40
41    typedef int_fast32_t xtime_nsec_t; //0 <= xtime.nsec < NANOSECONDS_PER_SECOND
42
43    xtime_sec_t sec;
44    xtime_nsec_t nsec;
45};
46
47int BOOST_THREAD_DECL xtime_get(struct xtime* xtp, int clock_type);
48
49inline int xtime_cmp(const xtime& xt1, const xtime& xt2)
50{
51    if (xt1.sec == xt2.sec)
52        return (int)(xt1.nsec - xt2.nsec);
53    else
54        return (xt1.sec > xt2.sec) ? 1 : -1;
55}
56
57} // namespace boost
58
59#endif //BOOST_XTIME_WEK070601_HPP
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