Use qthread_win.cpp for WinRT as well

Since of Windows (Phone) 8.1 most of the desktop's thread functionality
is also available, so we might be able to share the code and get rid of
the extra implementation for WinRT.

Task-number: QTBUG-43837
Change-Id: I0ce907cd94899834527f88c70e1e395bafdb14b3
Reviewed-by: Maurice Kalinowski <maurice.kalinowski@theqtcompany.com>

1 files changed, 0 insertions, 450 deletions

diff --git a/src/corelib/thread/qthread_winrt.cpp b/src/corelib/thread/qthread_winrt.cpp
deleted file mode 100644
index f4a7a662cb..0000000000
--- a/src/corelib/thread/qthread_winrt.cpp
+++ /dev/null
@@ -1,450 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2015 The Qt Company Ltd.
-** Contact: http://www.qt.io/licensing/
-**
-** This file is part of the QtCore module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL21$
-** 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 The Qt Company. For licensing terms
-** and conditions see http://www.qt.io/terms-conditions. For further
-** information use the contact form at http://www.qt.io/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 or version 3 as published by the Free
-** Software Foundation and appearing in the file LICENSE.LGPLv21 and
-** LICENSE.LGPLv3 included in the packaging of this file. Please review the
-** following information to ensure the GNU Lesser General Public License
-** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
-** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** As a special exception, The Qt Company gives you certain additional
-** rights. These rights are described in The Qt Company LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "qthread.h"
-#include "qthread_p.h"
-#include "qthreadstorage.h"
-
-#include <QtCore/QElapsedTimer>
-#include <QtCore/QUuid>
-#include <QtCore/qt_windows.h>
-#include <QtCore/qfunctions_winrt.h>
-#include <QtCore/private/qcoreapplication_p.h>
-#include <QtCore/private/qeventdispatcher_winrt_p.h>
-
-#include <wrl.h>
-#include <windows.system.threading.h>
-#include <windows.system.threading.core.h>
-using namespace Microsoft::WRL;
-using namespace Microsoft::WRL::Wrappers;
-using namespace ABI::Windows::Foundation;
-using namespace ABI::Windows::System::Threading;
-using namespace ABI::Windows::System::Threading::Core;
-
-#ifndef QT_NO_THREAD
-QT_BEGIN_NAMESPACE
-
-static WorkItemPriority nativePriority(QThread::Priority priority)
-{
-    switch (priority) {
-    default:
-    case QThread::NormalPriority:
-        return WorkItemPriority_Normal;
-    case QThread::IdlePriority:
-    case QThread::LowestPriority:
-    case QThread::LowPriority:
-        return WorkItemPriority_Low;
-    case QThread::HighPriority:
-    case QThread::HighestPriority:
-    case QThread::TimeCriticalPriority:
-        return WorkItemPriority_High;
-    }
-}
-
-class QWinRTThreadGlobal
-{
-public:
-    QWinRTThreadGlobal()
-    {
-        HRESULT hr;
-
-        hr = RoGetActivationFactory(
-                    HString::MakeReference(RuntimeClass_Windows_System_Threading_Core_PreallocatedWorkItem).Get(),
-                    IID_PPV_ARGS(&workItemFactory));
-        Q_ASSERT_SUCCEEDED(hr);
-
-        hr = RoGetActivationFactory(
-                    HString::MakeReference(RuntimeClass_Windows_System_Threading_Core_SignalNotifier).Get(),
-                    IID_PPV_ARGS(&notifierFactory));
-        Q_ASSERT_SUCCEEDED(hr);
-
-        QString eventName = QUuid::createUuid().toString();
-        dispatchEvent = CreateEventEx(NULL, reinterpret_cast<LPCWSTR>(eventName.utf16()), 0, EVENT_ALL_ACCESS);
-
-        hr = notifierFactory->AttachToEvent(
-                 HStringReference(reinterpret_cast<LPCWSTR>(eventName.utf16())).Get(),
-                 Callback<ISignalHandler>(this, &QWinRTThreadGlobal::dispatch).Get(), &notifier);
-        Q_ASSERT_SUCCEEDED(hr);
-        hr = notifier->Enable();
-        Q_ASSERT_SUCCEEDED(hr);
-    }
-
-    ~QWinRTThreadGlobal()
-    {
-        CloseHandle(dispatchEvent);
-    }
-
-    void dispatch()
-    {
-        SetEvent(dispatchEvent);
-    }
-
-    void push(QThreadPrivate *d)
-    {
-        threads.append(d);
-    }
-
-private:
-    HRESULT dispatch(ISignalNotifier *notifier, boolean timedOut)
-    {
-        Q_UNUSED(timedOut);
-        notifier->Enable();
-        if (threads.isEmpty())
-            return S_OK;
-
-        QThreadPrivate *thread = threads.takeFirst();
-        ComPtr<IPreallocatedWorkItem> workItem;
-        HRESULT hr = workItemFactory->CreateWorkItemWithPriority(
-                    Callback<IWorkItemHandler>(thread, &QThreadPrivate::start).Get(),
-                    nativePriority(thread->priority), &workItem);
-        if (FAILED(hr)) {
-            qErrnoWarning(hr, "Failed to create thread work item");
-            thread->finish();
-            return hr;
-        }
-
-        hr = workItem->RunAsync(&thread->handle);
-        if (FAILED(hr)) {
-            qErrnoWarning(hr, "Failed to run work item");
-            thread->finish();
-            return hr;
-        }
-
-        return S_OK;
-    }
-
-    HANDLE dispatchEvent;
-    ComPtr<ISignalNotifier> notifier;
-    ComPtr<ISignalNotifierStatics> notifierFactory;
-    ComPtr<IPreallocatedWorkItemFactory> workItemFactory;
-
-    QList<QThreadPrivate *> threads;
-};
-Q_GLOBAL_STATIC(QWinRTThreadGlobal, g)
-
-/**************************************************************************
- ** QThreadData
- *************************************************************************/
-
-__declspec(thread) static QThreadData *qt_current_thread_data = 0;
-
-void QThreadData::clearCurrentThreadData()
-{
-    qt_current_thread_data = 0;
-}
-
-QThreadData *QThreadData::current(bool createIfNecessary)
-{
-    static bool winmainThread = true;
-    QThreadData *threadData = qt_current_thread_data;
-    if (!threadData && createIfNecessary) {
-        threadData = new QThreadData;
-        // This needs to be called prior to new AdoptedThread() to
-        // avoid recursion.
-        qt_current_thread_data = threadData;
-        QT_TRY {
-            threadData->thread = new QAdoptedThread(threadData);
-        } QT_CATCH(...) {
-            qt_current_thread_data = 0;
-            threadData->deref();
-            threadData = 0;
-            QT_RETHROW;
-        }
-        threadData->deref();
-        threadData->isAdopted = true;
-        threadData->threadId = reinterpret_cast<Qt::HANDLE>(GetCurrentThreadId());
-
-        if (!QCoreApplicationPrivate::theMainThread && !winmainThread)
-            QCoreApplicationPrivate::theMainThread = threadData->thread;
-
-        if (winmainThread) {
-            g->dispatch();
-            threadData->thread->d_func()->createEventDispatcher(threadData);
-            winmainThread = false;
-        }
-    }
-
-    return threadData;
-}
-
-void QAdoptedThread::init()
-{
-    Q_D(QThread);
-
-    d->handle = Q_NULLPTR;
-    d->id = 0;
-}
-
-/**************************************************************************
- ** QThreadPrivate
- *************************************************************************/
-
-#endif // QT_NO_THREAD
-
-void QThreadPrivate::createEventDispatcher(QThreadData *data)
-{
-    QEventDispatcherWinRT *eventDispatcher = new QEventDispatcherWinRT;
-    data->eventDispatcher.storeRelease(eventDispatcher);
-    eventDispatcher->startingUp();
-}
-
-#ifndef QT_NO_THREAD
-
-HRESULT QThreadPrivate::start(IAsyncAction *)
-{
-    Q_Q(QThread);
-
-    qt_current_thread_data = data;
-    id = GetCurrentThreadId();
-    data->threadId = reinterpret_cast<Qt::HANDLE>(id);
-    QThread::setTerminationEnabled(false);
-
-    {
-        QMutexLocker locker(&mutex);
-        data->quitNow = exited;
-    }
-
-    if (data->eventDispatcher.load())
-        data->eventDispatcher.load()->startingUp();
-    else
-        createEventDispatcher(data);
-
-    running = true;
-    emit q->started(QThread::QPrivateSignal());
-
-    QThread::setTerminationEnabled(true);
-
-    q->run();
-
-    finish();
-
-    return S_OK;
-}
-
-void QThreadPrivate::finish(bool lockAnyway)
-{
-    Q_Q(QThread);
-
-    QMutexLocker locker(lockAnyway ? &mutex : 0);
-    isInFinish = true;
-    priority = QThread::InheritPriority;
-    void **tls_data = reinterpret_cast<void **>(&data->tls);
-    locker.unlock();
-    emit q->finished(QThread::QPrivateSignal());
-    QCoreApplication::sendPostedEvents(0, QEvent::DeferredDelete);
-    QThreadStorageData::finish(tls_data);
-    locker.relock();
-
-    QAbstractEventDispatcher *eventDispatcher = data->eventDispatcher.load();
-    if (eventDispatcher) {
-        data->eventDispatcher = 0;
-        locker.unlock();
-        eventDispatcher->closingDown();
-        delete eventDispatcher;
-        locker.relock();
-    }
-
-    running = false;
-    finished = true;
-    isInFinish = false;
-    interruptionRequested = false;
-
-    if (!waiters) {
-        if (handle)
-            handle->Release();
-        handle = Q_NULLPTR;
-    }
-
-    id = 0;
-}
-
-/**************************************************************************
- ** QThread
- *************************************************************************/
-
-Qt::HANDLE QThread::currentThreadId() Q_DECL_NOTHROW
-{
-    return reinterpret_cast<Qt::HANDLE>(GetCurrentThreadId());
-}
-
-int QThread::idealThreadCount() Q_DECL_NOTHROW
-{
-    SYSTEM_INFO sysinfo;
-    GetNativeSystemInfo(&sysinfo);
-    return sysinfo.dwNumberOfProcessors;
-}
-
-void QThread::yieldCurrentThread()
-{
-    msleep(1);
-}
-
-void QThread::sleep(unsigned long secs)
-{
-    msleep(secs * 1000);
-}
-
-void QThread::msleep(unsigned long msecs)
-{
-    WaitForSingleObjectEx(GetCurrentThread(), msecs, FALSE);
-}
-
-void QThread::usleep(unsigned long usecs)
-{
-    msleep((usecs / 1000) + 1);
-}
-
-void QThread::start(Priority priority)
-{
-    Q_D(QThread);
-    QMutexLocker locker(&d->mutex);
-
-    if (d->isInFinish) {
-        locker.unlock();
-        wait();
-        locker.relock();
-    }
-
-    if (d->running)
-        return;
-
-    d->finished = false;
-    d->exited = false;
-    d->returnCode = 0;
-    d->interruptionRequested = false;
-    d->priority = priority == QThread::InheritPriority ? currentThread()->priority() : priority;
-    g->push(d);
-    g->dispatch();
-
-    locker.unlock();
-    while (!d->running && !d->finished) {
-        QAbstractEventDispatcher *eventDispatcher = QThread::currentThread()->eventDispatcher();
-        if (eventDispatcher)
-            eventDispatcher->processEvents(QEventLoop::AllEvents);
-        else
-            yieldCurrentThread();
-    }
-}
-
-void QThread::terminate()
-{
-    Q_D(QThread);
-    QMutexLocker locker(&d->mutex);
-    if (!d->running)
-        return;
-    if (!d->terminationEnabled) {
-        d->terminatePending = true;
-        return;
-    }
-
-    if (d->handle) {
-        ComPtr<IAsyncInfo> info;
-        HRESULT hr = d->handle->QueryInterface(IID_PPV_ARGS(&info));
-        Q_ASSERT_SUCCEEDED(hr);
-        hr = info->Cancel();
-        if (FAILED(hr))
-            qErrnoWarning(hr, "Failed to cancel thread action");
-    }
-
-    d->finish(false);
-}
-
-bool QThread::wait(unsigned long time)
-{
-    Q_D(QThread);
-    QMutexLocker locker(&d->mutex);
-
-    if (d->id == GetCurrentThreadId()) {
-        qWarning("QThread::wait: Thread tried to wait on itself");
-        return false;
-    }
-    if (d->finished || !d->running)
-        return true;
-
-    ++d->waiters;
-    locker.mutex()->unlock();
-
-    // Alternatively, we could check the handle
-    bool ret = false;
-    if (!d->finished) {
-        QElapsedTimer timer;
-        timer.start();
-        while (timer.elapsed() < time && !d->finished)
-            yieldCurrentThread();
-
-        ret = d->finished;
-    }
-
-    locker.mutex()->lock();
-    --d->waiters;
-
-    if (ret && !d->finished) {
-        // thread was terminated by someone else
-
-        d->finish(false);
-    }
-
-    if (d->finished && !d->waiters) {
-        if (d->handle)
-            d->handle->Release();
-        d->handle = Q_NULLPTR;
-    }
-
-    return ret;
-}
-
-void QThread::setTerminationEnabled(bool enabled)
-{
-    QThread *thr = currentThread();
-    Q_ASSERT_X(thr != 0, "QThread::setTerminationEnabled()",
-               "Current thread was not started with QThread.");
-    QThreadPrivate *d = thr->d_func();
-    QMutexLocker locker(&d->mutex);
-    d->terminationEnabled = enabled;
-    if (enabled && d->terminatePending) {
-        d->finish(false);
-        locker.unlock(); // don't leave the mutex locked!
-    }
-}
-
-// Caller must hold the mutex
-void QThreadPrivate::setPriority(QThread::Priority threadPriority)
-{
-    if (running)
-        qWarning("WinRT threads can't change priority while running.");
-
-    priority = threadPriority;
-}
-
-QT_END_NAMESPACE
-#endif // QT_NO_THREAD