source: src/memoryusageobserver.hpp@ 49f802c

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Last change on this file since 49f802c was f66195, checked in by Frederik Heber <heber@…>, 16 years ago

forward declarations used to untangle interdependet classes.

  • basically, everywhere in header files we removed '#include' lines were only pointer to the respective classes were used and the include line was moved to the implementation file.
  • as a sidenote, lots of funny errors happened because headers were included via a nesting over three other includes. Now, all should be declared directly as needed, as only very little include lines remain in header files.
  • Property mode set to 100644
File size: 1.2 KB
Line 
1/*
2 * \file memoryusageobserver.hpp
3 *
4 * This class represents a Singleton for observing memory usage.
5 */
6#ifndef MEMORYUSAGEOBSERVER_HPP_
7#define MEMORYUSAGEOBSERVER_HPP_
8
9using namespace std;
10
11/*********************************************** includes ***********************************/
12
13// include config.h
14#ifdef HAVE_CONFIG_H
15#include <config.h>
16#endif
17
18#include <map>
19#include <iostream>
20#include <iomanip>
21#include <fstream>
22#include <sstream>
23#include <math.h>
24#include <string>
25#include <typeinfo>
26
27/********************************************** declarations *******************************/
28
29class MemoryUsageObserver {
30public:
31 static MemoryUsageObserver* getInstance();
32 static void purgeInstance();
33 void addMemory(void* pointer, size_t size);
34 void removeMemory(void* pointer, const char *msg = NULL);
35 size_t getUsedMemorySize();
36 size_t getMaximumUsedMemory();
37
38protected:
39 /** Do not call this constructor directly, use getInstance() instead. */
40 MemoryUsageObserver();
41 /** Do not call this destructor directly, use purgeInstance() instead. */
42 ~MemoryUsageObserver();
43
44private:
45 static MemoryUsageObserver* instance;
46 map<void*, size_t> memoryUsers;
47 size_t totalSize, maximumSize;
48};
49#endif /*MEMORYUSAGEOBSERVER_HPP_*/
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