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SchedulerInterface.h
1 /*
2  * This library is free software; you can redistribute it and/or
3  * modify it under the terms of the GNU Lesser General Public
4  * License as published by the Free Software Foundation; either
5  * version 2.1 of the License, or (at your option) any later version.
6  *
7  * This library is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
10  * Lesser General Public License for more details.
11  *
12  * You should have received a copy of the GNU Lesser General Public
13  * License along with this library; if not, write to the Free Software
14  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
15  *
16  * SchedulerInterface.h
17  * The scheduler interface provides methods to schedule the execution of
18  * callbacks at some point in the future.
19  * Copyright (C) 2011 Simon Newton
20  */
21 
22 #ifndef INCLUDE_OLA_THREAD_SCHEDULERINTERFACE_H_
23 #define INCLUDE_OLA_THREAD_SCHEDULERINTERFACE_H_
24 
25 #include <ola/Callback.h>
26 #include <ola/Clock.h>
27 
28 namespace ola {
29 namespace thread {
30 
34 typedef void* timeout_id;
35 
39 static const timeout_id INVALID_TIMEOUT = NULL;
40 
41 
47  public :
49  virtual ~SchedulerInterface() {}
50 
62  unsigned int period,
63  Callback0<bool> *callback) = 0;
64 
74  const ola::TimeInterval &period,
75  Callback0<bool> *callback) = 0;
76 
85  unsigned int delay,
86  SingleUseCallback0<void> *callback) = 0;
87 
95  const ola::TimeInterval &delay,
96  SingleUseCallback0<void> *callback) = 0;
97 
103  virtual void RemoveTimeout(timeout_id id) = 0;
104 };
105 } // namespace thread
106 } // namespace ola
107 #endif // INCLUDE_OLA_THREAD_SCHEDULERINTERFACE_H_