/usr/include/KF5/ThreadWeaver/threadweaver/queue.h is in libkf5threadweaver-dev 5.18.0-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 | /* -*- C++ -*-
The Queue class in ThreadWeaver.
$ Author: Mirko Boehm $
$ Copyright: (C) 2005-2013 Mirko Boehm $
$ Contact: mirko@kde.org
http://www.kde.org
http://creative-destruction.me $
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef THREADWEAVER_QUEUE_H
#define THREADWEAVER_QUEUE_H
#include <QtCore/QObject>
#include "queuesignals.h"
#include "queuestream.h"
namespace ThreadWeaver
{
class Job;
class State;
/** @brief Queue implements a ThreadWeaver job queue.
*
* Queues process jobs enqueued in them by automatically assigning them to worker threads they manage.
* Applications using ThreadWeaver can make use of a global Queue which is instantiated on demand, or
* create multiple queues as needed. A job assigned to a queue will be processed by that specific queue.
*
* Worker threads are created by the queues as needed. To create a customized global queue,
* see GlobalQueueFactory.
*
* @see GlobalQueueFactory
* @see Queue::enqueue()
* @see Queue::instance()
*/
class THREADWEAVER_EXPORT Queue : public QueueSignals
{
Q_OBJECT
public:
explicit Queue(QObject *parent = 0);
/** @brief Construct a queue with a customized implementation
* The queue takes ownership and will delete the implementation upon destruction. */
explicit Queue(QueueSignals *implementation, QObject *parent = 0);
virtual ~Queue();
QueueStream stream();
const State *state() const Q_DECL_OVERRIDE;
void setMaximumNumberOfThreads(int cap) Q_DECL_OVERRIDE;
int maximumNumberOfThreads() const Q_DECL_OVERRIDE;
int currentNumberOfThreads() const Q_DECL_OVERRIDE;
static ThreadWeaver::Queue *instance();
void enqueue(const QVector<JobPointer> &jobs) Q_DECL_OVERRIDE;
void enqueue(const JobPointer &job);
bool dequeue(const JobPointer &) Q_DECL_OVERRIDE;
void dequeue() Q_DECL_OVERRIDE;
void finish() Q_DECL_OVERRIDE;
void suspend() Q_DECL_OVERRIDE;
void resume() Q_DECL_OVERRIDE;
bool isEmpty() const Q_DECL_OVERRIDE;
bool isIdle() const Q_DECL_OVERRIDE;
int queueLength() const Q_DECL_OVERRIDE;
void requestAbort() Q_DECL_OVERRIDE;
void reschedule() Q_DECL_OVERRIDE;
void shutDown() Q_DECL_OVERRIDE;
/** @brief Interface for the global queue factory. */
struct GlobalQueueFactory {
virtual ~GlobalQueueFactory() {}
virtual Queue *create(QObject *parent) = 0;
};
static void setGlobalQueueFactory(GlobalQueueFactory *factory);
private:
class Private;
Private *const d;
};
}
#endif // THREADWEAVER_QUEUE_H
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