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/**
* The config module contains utility routines and configuration information
* specific to this package.
*
* Copyright: Copyright Sean Kelly 2005 - 2009.
* License: $(HTTP www.boost.org/LICENSE_1_0.txt, Boost License 1.0).
* Authors: Sean Kelly
* Source: $(DRUNTIMESRC core/sync/_config.d)
*/
/* Copyright Sean Kelly 2005 - 2009.
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE or copy at
* http://www.boost.org/LICENSE_1_0.txt)
*/
module core.sync.config;
version (Posix)
{
import core.sys.posix.pthread;
import core.sys.posix.time;
import core.sys.posix.sys.time;
import core.time;
void mktspec( ref timespec t ) nothrow @nogc
{
static if ( is (typeof ( pthread_condattr_setclock ) ) )
{
clock_gettime( CLOCK_MONOTONIC, &t );
}
else
{
timeval tv;
gettimeofday( &tv, null );
(cast(byte*) &t)[0 .. t.sizeof] = 0;
t.tv_sec = cast(typeof(t.tv_sec)) tv.tv_sec;
t.tv_nsec = cast(typeof(t.tv_nsec)) tv.tv_usec * 1_000;
}
}
void mktspec( ref timespec t, Duration delta ) nothrow @nogc
{
mktspec( t );
mvtspec( t, delta );
}
void mvtspec( ref timespec t, Duration delta ) nothrow @nogc
{
auto val = delta;
val += dur!"seconds"( t.tv_sec );
val += dur!"nsecs"( t.tv_nsec );
//auto val = delta + dur!"seconds"( t.tv_sec ) +
// + dur!"nsecs"( t.tv_nsec );
if ( val.total!"seconds" > t.tv_sec.max )
{
t.tv_sec = t.tv_sec.max;
t.tv_nsec = cast(typeof(t.tv_nsec)) val.split!("seconds", "nsecs")().nsecs;
}
else
val.split!("seconds", "nsecs")(t.tv_sec, t.tv_nsec);
}
}
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