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QueuePolicy.h
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1/* -*- C++ -*-
2
3 This file declares the QueuePolicy class.
4
5 $ Author: Mirko Boehm $
6 $ Copyright: (C) 2004, 2005, 2006 Mirko Boehm $
7 $ Contact: mirko@kde.org
8 http://www.kde.org
9 http://www.hackerbuero.org $
10
11 This library is free software; you can redistribute it and/or
12 modify it under the terms of the GNU Library General Public
13 License as published by the Free Software Foundation; either
14 version 2 of the License, or (at your option) any later version.
15
16 This library is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 Library General Public License for more details.
20
21 You should have received a copy of the GNU Library General Public License
22 along with this library; see the file COPYING.LIB. If not, write to
23 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
24 Boston, MA 02110-1301, USA.
25
26 $Id: DebuggingAids.h 30 2005-08-16 16:16:04Z mirko $
27*/
28
29#ifndef QUEUEPOLICY_H
30#define QUEUEPOLICY_H
31
32#include <threadweaver/threadweaver_export.h>
33
34namespace ThreadWeaver {
35
36 class Job;
37
59 class THREADWEAVER_EXPORT QueuePolicy
60 {
61 public:
62 virtual ~QueuePolicy() {}
63
67 virtual bool canRun( Job* ) = 0;
68
73 virtual void free( Job* ) = 0;
74
80 virtual void release( Job* ) = 0;
81
85 virtual void destructed ( Job* ) = 0;
86 };
87
88}
89
90#endif
ThreadWeaver::Job
A Job is a simple abstraction of an action that is to be executed in a thread context.
Definition: Job.h:66
ThreadWeaver::QueuePolicy
QueuePolicy is an interface for customizations of the queueing behaviour of sets of jobs.
Definition: QueuePolicy.h:60
ThreadWeaver::QueuePolicy::~QueuePolicy
virtual ~QueuePolicy()
Definition: QueuePolicy.h:62
ThreadWeaver::QueuePolicy::destructed
virtual void destructed(Job *)=0
destructing() is called when a Job that has this queue policy assigned gets destructed.
ThreadWeaver::QueuePolicy::canRun
virtual bool canRun(Job *)=0
canRun() is called before the job is executed.
ThreadWeaver::QueuePolicy::free
virtual void free(Job *)=0
free() is called after the job has been executed.
ThreadWeaver::QueuePolicy::release
virtual void release(Job *)=0
release() is called if canRun() returned true, but the job has not been executed for external reasons...
ThreadWeaver
Definition: DebuggingAids.h:51
threadweaver_export.h
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