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| author | Remko Tronçon <git@el-tramo.be> | 2009-06-01 08:48:42 (GMT) |
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| committer | Remko Tronçon <git@el-tramo.be> | 2009-06-01 09:24:28 (GMT) |
| commit | 2812bddd81f8a1b804c7460f4e14cd0aa393d129 (patch) | |
| tree | d46294f35150c4f0f43deaf2d31fceaf945ae715 /3rdParty/Boost/libs/thread/src/pthread/timeconv.inl | |
| download | swift-2812bddd81f8a1b804c7460f4e14cd0aa393d129.zip swift-2812bddd81f8a1b804c7460f4e14cd0aa393d129.tar.bz2 | |
Import.
Diffstat (limited to '3rdParty/Boost/libs/thread/src/pthread/timeconv.inl')
| -rw-r--r-- | 3rdParty/Boost/libs/thread/src/pthread/timeconv.inl | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/3rdParty/Boost/libs/thread/src/pthread/timeconv.inl b/3rdParty/Boost/libs/thread/src/pthread/timeconv.inl new file mode 100644 index 0000000..5ec3b17 --- /dev/null +++ b/3rdParty/Boost/libs/thread/src/pthread/timeconv.inl @@ -0,0 +1,130 @@ +// Copyright (C) 2001-2003 +// William E. Kempf +// +// 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) + +// boostinspect:nounnamed + +namespace { +const int MILLISECONDS_PER_SECOND = 1000; +const int NANOSECONDS_PER_SECOND = 1000000000; +const int NANOSECONDS_PER_MILLISECOND = 1000000; + +const int MICROSECONDS_PER_SECOND = 1000000; +const int NANOSECONDS_PER_MICROSECOND = 1000; + +inline void to_time(int milliseconds, boost::xtime& xt) +{ + int res = 0; + res = boost::xtime_get(&xt, boost::TIME_UTC); + assert(res == boost::TIME_UTC); + + xt.sec += (milliseconds / MILLISECONDS_PER_SECOND); + xt.nsec += ((milliseconds % MILLISECONDS_PER_SECOND) * + NANOSECONDS_PER_MILLISECOND); + + if (xt.nsec >= NANOSECONDS_PER_SECOND) + { + ++xt.sec; + xt.nsec -= NANOSECONDS_PER_SECOND; + } +} + +#if defined(BOOST_HAS_PTHREADS) +inline void to_timespec(const boost::xtime& xt, timespec& ts) +{ + ts.tv_sec = static_cast<int>(xt.sec); + ts.tv_nsec = static_cast<int>(xt.nsec); + if(ts.tv_nsec >= NANOSECONDS_PER_SECOND) + { + ts.tv_sec += ts.tv_nsec / NANOSECONDS_PER_SECOND; + ts.tv_nsec %= NANOSECONDS_PER_SECOND; + } +} + +inline void to_time(int milliseconds, timespec& ts) +{ + boost::xtime xt; + to_time(milliseconds, xt); + to_timespec(xt, ts); +} + +inline void to_timespec_duration(const boost::xtime& xt, timespec& ts) +{ + boost::xtime cur; + int res = 0; + res = boost::xtime_get(&cur, boost::TIME_UTC); + assert(res == boost::TIME_UTC); + + if (boost::xtime_cmp(xt, cur) <= 0) + { + ts.tv_sec = 0; + ts.tv_nsec = 0; + } + else + { + ts.tv_sec = xt.sec - cur.sec; + ts.tv_nsec = xt.nsec - cur.nsec; + + if( ts.tv_nsec < 0 ) + { + ts.tv_sec -= 1; + ts.tv_nsec += NANOSECONDS_PER_SECOND; + } + if(ts.tv_nsec >= NANOSECONDS_PER_SECOND) + { + ts.tv_sec += ts.tv_nsec / NANOSECONDS_PER_SECOND; + ts.tv_nsec %= NANOSECONDS_PER_SECOND; + } + } +} +#endif + +inline void to_duration(boost::xtime xt, int& milliseconds) +{ + boost::xtime cur; + int res = 0; + res = boost::xtime_get(&cur, boost::TIME_UTC); + assert(res == boost::TIME_UTC); + + if (boost::xtime_cmp(xt, cur) <= 0) + milliseconds = 0; + else + { + if (cur.nsec > xt.nsec) + { + xt.nsec += NANOSECONDS_PER_SECOND; + --xt.sec; + } + milliseconds = (int)((xt.sec - cur.sec) * MILLISECONDS_PER_SECOND) + + (((xt.nsec - cur.nsec) + (NANOSECONDS_PER_MILLISECOND/2)) / + NANOSECONDS_PER_MILLISECOND); + } +} + +inline void to_microduration(boost::xtime xt, int& microseconds) +{ + boost::xtime cur; + int res = 0; + res = boost::xtime_get(&cur, boost::TIME_UTC); + assert(res == boost::TIME_UTC); + + if (boost::xtime_cmp(xt, cur) <= 0) + microseconds = 0; + else + { + if (cur.nsec > xt.nsec) + { + xt.nsec += NANOSECONDS_PER_SECOND; + --xt.sec; + } + microseconds = (int)((xt.sec - cur.sec) * MICROSECONDS_PER_SECOND) + + (((xt.nsec - cur.nsec) + (NANOSECONDS_PER_MICROSECOND/2)) / + NANOSECONDS_PER_MICROSECOND); + } +} +} + +// Change Log: +// 1 Jun 01 Initial creation. |