/**************************************************************************** ** ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/legal ** ** This file is part of the Qt Mobility Components. ** ** $QT_BEGIN_LICENSE:LGPL$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and Digia. For licensing terms and ** conditions see http://qt.digia.com/licensing. For further information ** use the contact form at http://qt.digia.com/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 2.1 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 2.1 requirements ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Digia gives you certain additional ** rights. These rights are described in the Digia Qt LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 3.0 as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU General Public License version 3.0 requirements will be ** met: http://www.gnu.org/copyleft/gpl.html. ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include "util.h" #ifdef Q_OS_WINCE #include // WINCE has but using clock() gives a link error because // the function isn't actually implemented. #endif #ifdef Q_OS_UNIX #include #endif #if (defined Q_OS_UNIX) || (defined Q_OS_WINCE) quint64 getTimestamp() { #ifdef Q_OS_WINCE // This implementation is based on code found here: // http://social.msdn.microsoft.com/Forums/en/vssmartdevicesnative/thread/74870c6c-76c5-454c-8533-812cfca585f8 HANDLE currentThread = GetCurrentThread(); FILETIME creationTime, exitTime, kernalTime, userTime; GetThreadTimes(currentThread, &creationTime, &exitTime, &kernalTime, &userTime); ULARGE_INTEGER uli; uli.LowPart = userTime.dwLowDateTime; uli.HighPart = userTime.dwHighDateTime; ULONGLONG systemTimeInMS = uli.QuadPart/10000; return static_cast(systemTimeInMS); #else struct timespec tv; int ok; ok = clock_gettime(CLOCK_MONOTONIC, &tv); Q_ASSERT(ok == 0); quint64 result = (tv.tv_sec * 1000000ULL) + (tv.tv_nsec * 0.001); // scale to microseconds return result; #endif } #endif