1 // Copyright (C) 2001-2003

     2 // William E. Kempf

     3 //

     4 //  Distributed under the Boost Software License, Version 1.0. (See accompanying 

     5 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

     6 

     7 #ifndef BOOST_XTIME_WEK070601_HPP

     8 #define BOOST_XTIME_WEK070601_HPP

     9 

    10 #include <boost/thread/detail/config.hpp>

    11 

    12 #include <boost/cstdint.hpp>

    13 

    14 namespace boost {

    15 

    16 enum xtime_clock_types

    17 {

    18     TIME_UTC=1

    19 //    TIME_TAI,

    20 //    TIME_MONOTONIC,

    21 //    TIME_PROCESS,

    22 //    TIME_THREAD,

    23 //    TIME_LOCAL,

    24 //    TIME_SYNC,

    25 //    TIME_RESOLUTION

    26 };

    27 

    28 struct xtime

    29 {

    30 #if defined(BOOST_NO_INT64_T)

    31     typedef int_fast32_t xtime_sec_t; //INT_FAST32_MIN <= sec <= INT_FAST32_MAX

    32 #else

    33     typedef int_fast64_t xtime_sec_t; //INT_FAST64_MIN <= sec <= INT_FAST64_MAX

    34 #endif

    35 

    36     typedef int_fast32_t xtime_nsec_t; //0 <= xtime.nsec < NANOSECONDS_PER_SECOND

    37 

    38     xtime_sec_t sec;

    39     xtime_nsec_t nsec;

    40 };

    41 

    42 int BOOST_THREAD_DECL xtime_get(struct xtime* xtp, int clock_type);

    43 

    44 inline int xtime_cmp(const xtime& xt1, const xtime& xt2)

    45 {

    46     if (xt1.sec == xt2.sec)

    47         return (int)(xt1.nsec - xt2.nsec);

    48     else 

    49         return (xt1.sec > xt2.sec) ? 1 : -1;

    50 }

    51 

    52 } // namespace boost

    53 

    54 #endif //BOOST_XTIME_WEK070601_HPP