| /* |
| * 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 "Seconds.h" |
| |
| #include "Condition.h" |
| #include "Lock.h" |
| #include "MonotonicTime.h" |
| #include "PrintStream.h" |
| #include "TimeWithDynamicClockType.h" |
| #include "WallTime.h" |
| |
| namespace WTF { |
| |
| WallTime Seconds::operator+(WallTime other) const |
| { |
| return other + *this; |
| } |
| |
| MonotonicTime Seconds::operator+(MonotonicTime 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()); |
| } |
| |
| 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"); |
| } |
| |
| 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; |
| LockHolder fakeLocker(fakeLock); |
| fakeCondition.waitFor(fakeLock, value); |
| } |
| |
| } // namespace WTF |
| |