| 1 | /**************************************************************************** | 
| 2 | ** | 
| 3 | ** Copyright (C) 2016 The Qt Company Ltd. | 
| 4 | ** Contact: https://www.qt.io/licensing/ | 
| 5 | ** | 
| 6 | ** This file is part of the Qt3D module of the Qt Toolkit. | 
| 7 | ** | 
| 8 | ** $QT_BEGIN_LICENSE:LGPL$ | 
| 9 | ** Commercial License Usage | 
| 10 | ** Licensees holding valid commercial Qt licenses may use this file in | 
| 11 | ** accordance with the commercial license agreement provided with the | 
| 12 | ** Software or, alternatively, in accordance with the terms contained in | 
| 13 | ** a written agreement between you and The Qt Company. For licensing terms | 
| 14 | ** and conditions see https://www.qt.io/terms-conditions. For further | 
| 15 | ** information use the contact form at https://www.qt.io/contact-us. | 
| 16 | ** | 
| 17 | ** GNU Lesser General Public License Usage | 
| 18 | ** Alternatively, this file may be used under the terms of the GNU Lesser | 
| 19 | ** General Public License version 3 as published by the Free Software | 
| 20 | ** Foundation and appearing in the file LICENSE.LGPL3 included in the | 
| 21 | ** packaging of this file. Please review the following information to | 
| 22 | ** ensure the GNU Lesser General Public License version 3 requirements | 
| 23 | ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. | 
| 24 | ** | 
| 25 | ** GNU General Public License Usage | 
| 26 | ** Alternatively, this file may be used under the terms of the GNU | 
| 27 | ** General Public License version 2.0 or (at your option) the GNU General | 
| 28 | ** Public license version 3 or any later version approved by the KDE Free | 
| 29 | ** Qt Foundation. The licenses are as published by the Free Software | 
| 30 | ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 | 
| 31 | ** included in the packaging of this file. Please review the following | 
| 32 | ** information to ensure the GNU General Public License requirements will | 
| 33 | ** be met: https://www.gnu.org/licenses/gpl-2.0.html and | 
| 34 | ** https://www.gnu.org/licenses/gpl-3.0.html. | 
| 35 | ** | 
| 36 | ** $QT_END_LICENSE$ | 
| 37 | ** | 
| 38 | ****************************************************************************/ | 
| 39 |  | 
| 40 | #include "task_p.h" | 
| 41 |  | 
| 42 | #include <QtCore/QDebug> | 
| 43 | #include <QtCore/QElapsedTimer> | 
| 44 | #include <QtCore/QMutexLocker> | 
| 45 |  | 
| 46 | #include <Qt3DCore/private/qthreadpooler_p.h> | 
| 47 | #include <Qt3DCore/private/qsysteminformationservice_p_p.h> | 
| 48 |  | 
| 49 | QT_BEGIN_NAMESPACE | 
| 50 |  | 
| 51 | namespace Qt3DCore { | 
| 52 |  | 
| 53 | RunnableInterface::~RunnableInterface() | 
| 54 | { | 
| 55 | } | 
| 56 |  | 
| 57 | // Aspect task | 
| 58 |  | 
| 59 | AspectTaskRunnable::AspectTaskRunnable(QSystemInformationService *service) | 
| 60 |     : m_service(service) | 
| 61 |     , m_pooler(nullptr) | 
| 62 |     , m_id(0) | 
| 63 |     , m_reserved(false) | 
| 64 | { | 
| 65 | } | 
| 66 |  | 
| 67 | AspectTaskRunnable::~AspectTaskRunnable() | 
| 68 | { | 
| 69 | } | 
| 70 |  | 
| 71 | bool AspectTaskRunnable::isRequired() const | 
| 72 | { | 
| 73 |     return m_job ? QAspectJobPrivate::get(job: m_job.data())->isRequired() : false; | 
| 74 | } | 
| 75 |  | 
| 76 | void AspectTaskRunnable::run() | 
| 77 | { | 
| 78 |     if (m_job) { | 
| 79 |         QAspectJobPrivate *jobD = QAspectJobPrivate::get(job: m_job.data()); | 
| 80 |         QTaskLogger logger(m_pooler ? m_service : nullptr, jobD->m_jobId, QTaskLogger::AspectJob); | 
| 81 |         m_job->run(); | 
| 82 |     } | 
| 83 |  | 
| 84 |     // We could have an append sub task or something in here | 
| 85 |     // So that a job can post sub jobs ? | 
| 86 |  | 
| 87 |     if (m_pooler) | 
| 88 |         m_pooler->taskFinished(task: this); | 
| 89 | } | 
| 90 |  | 
| 91 | // Synchronized task | 
| 92 |  | 
| 93 | SyncTaskRunnable::SyncTaskRunnable(QAbstractAspectJobManager::JobFunction func, | 
| 94 |                                    void *arg, QAtomicInt *atomicCount) | 
| 95 |     : m_func(func) | 
| 96 |     , m_arg(arg) | 
| 97 |     , m_atomicCount(atomicCount) | 
| 98 |     , m_pooler(nullptr) | 
| 99 |     , m_reserved(false) | 
| 100 |     , m_id(0) | 
| 101 | { | 
| 102 | } | 
| 103 |  | 
| 104 | SyncTaskRunnable::~SyncTaskRunnable() | 
| 105 | { | 
| 106 | } | 
| 107 |  | 
| 108 | bool SyncTaskRunnable::isRequired() const | 
| 109 | { | 
| 110 |     return true; | 
| 111 | } | 
| 112 |  | 
| 113 | void SyncTaskRunnable::run() | 
| 114 | { | 
| 115 |     // Call the function | 
| 116 |     m_func(m_arg); | 
| 117 |  | 
| 118 |     // Decrement the atomic counter to let others know we've done our bit | 
| 119 |     m_atomicCount->deref(); | 
| 120 |  | 
| 121 |     // Wait for the other worker threads to be done | 
| 122 |     while (m_atomicCount->loadRelaxed() > 0) | 
| 123 |         QThread::currentThread()->yieldCurrentThread(); | 
| 124 |  | 
| 125 |     if (m_pooler) | 
| 126 |         m_pooler->taskFinished(task: this); | 
| 127 | } | 
| 128 |  | 
| 129 | } // namespace Qt3DCore { | 
| 130 |  | 
| 131 | QT_END_NAMESPACE | 
| 132 |  |