Move QtConcurrent into its own module

Task-number: QTBUG-20892

Change-Id: I614500aafb6428915509983608bbb0ade4e4f016
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

1 files changed, 0 insertions, 194 deletions

diff --git a/src/corelib/concurrent/qtconcurrentiteratekernel.cpp b/src/corelib/concurrent/qtconcurrentiteratekernel.cpp
deleted file mode 100644
index b695805135..0000000000
--- a/src/corelib/concurrent/qtconcurrentiteratekernel.cpp
+++ /dev/null
@@ -1,194 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/
-**
-** This file is part of the QtCore module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** GNU Lesser General Public License Usage
-** 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, Nokia gives you certain additional
-** rights. These rights are described in the Nokia 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.
-**
-** Other Usage
-** Alternatively, this file may be used in accordance with the terms and
-** conditions contained in a signed written agreement between you and Nokia.
-**
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "qtconcurrentiteratekernel.h"
-
-#if defined(Q_OS_MAC)
-#include <mach/mach.h>
-#include <mach/mach_time.h>
-#include <unistd.h>
-#elif defined(Q_OS_UNIX)
-#if defined(Q_OS_HURD)
-#include <sys/time.h>
-#endif
-#include <time.h>
-#include <unistd.h>
-#elif defined(Q_OS_WIN)
-#include <qt_windows.h>
-#endif
-
-#include "private/qfunctions_p.h"
-
-
-#ifndef QT_NO_CONCURRENT
-
-QT_BEGIN_NAMESPACE
-
-enum {
-    TargetRatio = 100,
-    MedianSize = 7
-};
-
-#if defined(Q_OS_MAC)
-
-static qint64 getticks()
-{
-    return mach_absolute_time();
-}
-
-#elif defined(Q_OS_UNIX)
-
-
-static qint64 getticks()
-{
-#if defined(_POSIX_TIMERS) && (_POSIX_TIMERS > 0)
-    clockid_t clockId;
-
-#ifndef _POSIX_THREAD_CPUTIME
-    clockId = CLOCK_REALTIME;
-#elif (_POSIX_THREAD_CPUTIME-0 <= 0)
-    // if we don't have CLOCK_THREAD_CPUTIME_ID, we have to just use elapsed realtime instead
-    clockId = CLOCK_REALTIME;
-
-#  if (_POSIX_THREAD_CPUTIME-0 == 0)
-    // detect availablility of CLOCK_THREAD_CPUTIME_ID
-    static long useThreadCpuTime = -2;
-    if (useThreadCpuTime == -2) {
-        // sysconf() will return either -1 or _POSIX_VERSION (don't care about thread races here)
-        useThreadCpuTime = sysconf(_SC_THREAD_CPUTIME);
-    }
-    if (useThreadCpuTime != -1)
-        clockId = CLOCK_THREAD_CPUTIME_ID;
-#  endif
-#else
-    clockId = CLOCK_THREAD_CPUTIME_ID;
-#endif
-
-    struct timespec ts;
-    if (clock_gettime(clockId, &ts) == -1)
-        return 0;
-    return (ts.tv_sec * 1000000000) + ts.tv_nsec;
-#else
-
-    // no clock_gettime(), fall back to wall time
-    struct timeval tv;
-    gettimeofday(&tv, 0);
-    return (tv.tv_sec * 1000000) + tv.tv_usec;
-#endif
-}
-
-#elif defined(Q_OS_WIN)
-
-static qint64 getticks()
-{
-    LARGE_INTEGER x;
-    if (!QueryPerformanceCounter(&x))
-        return 0;
-    return x.QuadPart;
-}
-
-#endif
-
-static double elapsed(qint64 after, qint64 before)
-{
-    return double(after - before);
-}
-
-namespace QtConcurrent {
-
-/*! \internal
-
-*/
-BlockSizeManager::BlockSizeManager(int iterationCount)
-: maxBlockSize(iterationCount / (QThreadPool::globalInstance()->maxThreadCount() * 2)),
-  beforeUser(0), afterUser(0),
-  controlPartElapsed(MedianSize), userPartElapsed(MedianSize),
-  m_blockSize(1)
-{ }
-
-// Records the time before user code.
-void BlockSizeManager::timeBeforeUser()
-{
-    if (blockSizeMaxed())
-        return;
-
-    beforeUser = getticks();
-    controlPartElapsed.addValue(elapsed(beforeUser, afterUser));
-}
-
- // Records the time after user code and adjust the block size if we are spending
- // to much time in the for control code compared with the user code.
-void BlockSizeManager::timeAfterUser()
-{
-    if (blockSizeMaxed())
-        return;
-
-    afterUser = getticks();
-    userPartElapsed.addValue(elapsed(afterUser, beforeUser));
-
-    if (controlPartElapsed.isMedianValid() == false)
-        return;
-
-    if (controlPartElapsed.median() * TargetRatio < userPartElapsed.median())
-        return;
-
-    m_blockSize = qMin(m_blockSize * 2,  maxBlockSize);
-
-#ifdef QTCONCURRENT_FOR_DEBUG
-    qDebug() << QThread::currentThread() << "adjusting block size" << controlPartElapsed.median() << userPartElapsed.median() << m_blockSize;
-#endif
-
-    // Reset the medians after adjusting the block size so we get
-    // new measurements with the new block size.
-    controlPartElapsed.reset();
-    userPartElapsed.reset();
-}
-
-int BlockSizeManager::blockSize()
-{
-    return m_blockSize;
-}
-
-} // namespace QtConcurrent
-
-QT_END_NAMESPACE
-
-#endif // QT_NO_CONCURRENT