source: pacpusframework/trunk/include/Pacpus/PacpusTools/ShMemBase.h@ 36

Last change on this file since 36 was 31, checked in by sgosseli, 12 years ago

Huge commit: use the new includes style in all the files, add the license header in all the headers, and in some cpp.

File size: 1.4 KB
Line 
1/**
2 *
3 * Distributed under the UTC Heudiascy Pacpus License, Version 1.0.
4 * Copyright (c) UTC Heudiasyc 2010 - 2013. All rights reserved.
5 *
6 * See the LICENSE file for more information or a copy at:
7 * http://www.hds.utc.fr/~kurdejma/LICENSE_1_0.txt
8 *
9 */
10
11#ifndef DEF_PACPUS_SHMEMBASE_H
12#define DEF_PACPUS_SHMEMBASE_H
13
14class ShMemBase
15{
16public:
17 ShMemBase()
18 {
19 /*printf("ShMemBase::ShMemBase() not implemented !\n");*/
20 }
21
22 virtual ~ShMemBase()
23 {
24 /*printf("ShMemBase::~ShMemBase() not implemented !\n");*/
25 }
26
27 // Use this method to get the data of the shared memory
28 virtual void *read() = 0;
29
30 // Use this method to write data in shared memory
31 virtual void write(void *data, int size, unsigned long offset = 0) = 0;
32
33 // Use this method to wait the incoming of new data
34 // you can specify a timeout in ms to avoid infinite blocking or 0 (infinite)
35 // return true if new data available before the timeout or else false
36 virtual bool wait(unsigned long timeout = 0) = 0;
37
38 // To lock the access to the memory
39 virtual void lockMemory() = 0;
40
41 // To unlock the access to the memory
42 virtual void unlockMemory() = 0;
43
44#ifdef WIN32
45 // Return the event handle under Windows
46 // ... under Linux ?
47 virtual void * getEventIdentifier() = 0;
48#endif
49
50protected:
51 void * shMem_;
52
53private:
54};
55
56#endif // DEF_PACPUS_SHMEMBASE_H
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