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/*
* Copyright (C) 2016 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include <wtf/Seconds.h>
#include <wtf/ApproximateTime.h>
#include <wtf/Condition.h>
#include <wtf/ContinuousTime.h>
#include <wtf/Lock.h>
#include <wtf/MonotonicTime.h>
#include <wtf/PrintStream.h>
#include <wtf/TimeWithDynamicClockType.h>
#include <wtf/WallTime.h>
#include <wtf/text/TextStream.h>
namespace WTF {
WallTime Seconds::operator+(WallTime other) const
{
return other + *this;
}
MonotonicTime Seconds::operator+(MonotonicTime other) const
{
return other + *this;
}
ApproximateTime Seconds::operator+(ApproximateTime other) const
{
return other + *this;
}
ContinuousTime Seconds::operator+(ContinuousTime other) const
{
return other + *this;
}
ContinuousApproximateTime Seconds::operator+(ContinuousApproximateTime other) const
{
return other + *this;
}
TimeWithDynamicClockType Seconds::operator+(const TimeWithDynamicClockType& other) const
{
return other + *this;
}
WallTime Seconds::operator-(WallTime other) const
{
return WallTime::fromRawSeconds(value() - other.secondsSinceEpoch().value());
}
MonotonicTime Seconds::operator-(MonotonicTime other) const
{
return MonotonicTime::fromRawSeconds(value() - other.secondsSinceEpoch().value());
}
ApproximateTime Seconds::operator-(ApproximateTime other) const
{
return ApproximateTime::fromRawSeconds(value() - other.secondsSinceEpoch().value());
}
ContinuousTime Seconds::operator-(ContinuousTime other) const
{
return ContinuousTime::fromRawSeconds(value() - other.secondsSinceEpoch().value());
}
ContinuousApproximateTime Seconds::operator-(ContinuousApproximateTime other) const
{
return ContinuousApproximateTime::fromRawSeconds(value() - other.secondsSinceEpoch().value());
}
TimeWithDynamicClockType Seconds::operator-(const TimeWithDynamicClockType& other) const
{
return other.withSameClockAndRawSeconds(value() - other.secondsSinceEpoch().value());
}
void Seconds::dump(PrintStream& out) const
{
out.print(m_value, " sec");
}
TextStream& operator<<(TextStream& ts, Seconds seconds)
{
ts << seconds.value() << "s";
return ts;
}
void sleep(Seconds value)
{
// It's very challenging to find portable ways of sleeping for less than a second. On UNIX, you want to
// use usleep() but it's hard to #include it in a portable way (you'd think it's in unistd.h, but then
// you'd be wrong on some OSX SDKs). Also, usleep() won't save you on Windows. Hence, bottoming out in
// lock code, which already solves the sleeping problem, is probably for the best.
Lock fakeLock;
Condition fakeCondition;
Locker fakeLocker { fakeLock };
fakeCondition.waitFor(fakeLock, value);
}
} // namespace WTF
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