JavaScriptCore/wtf/CurrentTime.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 17 Sep 2010 09:07:27 +0300
branchRCL_3
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/*
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 * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
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 * Copyright (C) 2008 Google Inc. All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions are
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 * met:
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 *
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 *     * Redistributions of source code must retain the above copyright
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 * notice, this list of conditions and the following disclaimer.
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 *     * Redistributions in binary form must reproduce the above
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 * copyright notice, this list of conditions and the following disclaimer
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 * in the documentation and/or other materials provided with the
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 * distribution.
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 *     * Neither the name of Google Inc. nor the names of its
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 * contributors may be used to endorse or promote products derived from
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 * this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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#ifndef CurrentTime_h
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#define CurrentTime_h
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#include <time.h>
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namespace WTF {
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    // Returns the current UTC time in seconds, counted from January 1, 1970.
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    // Precision varies depending on platform but is usually as good or better 
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    // than a millisecond.
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    double currentTime();
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    // Same thing, in milliseconds.
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    inline double currentTimeMS()
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    {
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        return currentTime() * 1000.0; 
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    }
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    inline void getLocalTime(const time_t* localTime, struct tm* localTM)
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    {
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    #if COMPILER(MSVC7_OR_LOWER) || COMPILER(MINGW) || OS(WINCE)
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        *localTM = *localtime(localTime);
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    #elif COMPILER(MSVC)
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        localtime_s(localTM, localTime);
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    #else
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        localtime_r(localTime, localTM);
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    #endif
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    }
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} // namespace WTF
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using WTF::currentTime;
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using WTF::getLocalTime;
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#endif // CurrentTime_h
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