RSC  0.17.1
SimpleTask.cpp
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1 /* ============================================================
2  *
3  * This file is a part of the RSC project.
4  *
5  * Copyright (C) 2011 by Johannes Wienke <jwienke at techfak dot uni-bielefeld dot de>
6  *
7  * This file may be licensed under the terms of the
8  * GNU Lesser General Public License Version 3 (the ``LGPL''),
9  * or (at your option) any later version.
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11  * Software distributed under the License is distributed
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21  * The development of this software was supported by:
22  * CoR-Lab, Research Institute for Cognition and Robotics
23  * Bielefeld University
24  *
25  * ============================================================ */
26 
27 #include "SimpleTask.h"
28 
29 namespace rsc {
30 namespace threading {
31 
33  canceled(false), done(false) {
34 }
35 
37 }
38 
40  boost::recursive_mutex::scoped_lock lock(mutex);
41  canceled = true;
42 }
43 
45  boost::recursive_mutex::scoped_lock lock(mutex);
46  return canceled;
47 }
48 
50  boost::recursive_mutex::scoped_lock lock(mutex);
51  while (!done) {
52  condition.wait(lock);
53  }
54 }
55 
57  {
58  boost::recursive_mutex::scoped_lock lock(mutex);
59  done = true;
60  }
61  condition.notify_all();
62 }
63 
65  boost::recursive_mutex::scoped_lock lock(mutex);
66  return done;
67 }
68 
69 }
70 }
virtual void waitDone()
Waits for the execution of this task to finish.
Definition: SimpleTask.cpp:49
virtual void cancel()
Interrupts the task as soon as possible.
Definition: SimpleTask.cpp:39
boost::condition condition
Definition: SimpleTask.h:67
boost::recursive_mutex mutex
Definition: SimpleTask.h:66
virtual bool isCancelRequested()
Tells whether the task was interrupted by a call to cancel.
Definition: SimpleTask.cpp:44
volatile bool canceled
Definition: SimpleTask.h:69
virtual bool isDone()
Indicates whether the task finished execution, either through being canceled or through successfully ...
Definition: SimpleTask.cpp:64