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authorRemko Tronçon <git@el-tramo.be>2009-06-01 08:48:42 (GMT)
committerRemko Tronçon <git@el-tramo.be>2009-06-01 09:24:28 (GMT)
commit2812bddd81f8a1b804c7460f4e14cd0aa393d129 (patch)
treed46294f35150c4f0f43deaf2d31fceaf945ae715 /3rdParty/Boost/libs/thread/src/win32/timeconv.inl
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Import.
Diffstat (limited to '3rdParty/Boost/libs/thread/src/win32/timeconv.inl')
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diff --git a/3rdParty/Boost/libs/thread/src/win32/timeconv.inl b/3rdParty/Boost/libs/thread/src/win32/timeconv.inl
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+++ b/3rdParty/Boost/libs/thread/src/win32/timeconv.inl
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+// 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.