blob: 9c980bb266e091a90846d779f7556e33f64354a8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
#pragma once
#include "common.h"
namespace base
{
class cSingletonBase;
class cSingletonManager
{
cSingletonBase* head;
cSingletonBase* tail;
public:
cSingletonManager() :
head(nil),
tail(nil)
{}
void Add(cSingletonBase*);
void Purge();
~cSingletonManager();
};
cSingletonManager& SingletonManager();
class cSingletonBase
{
friend class cSingletonManager;
cSingletonBase* next;
public:
virtual ~cSingletonBase() {}
};
template<typename T>
class cSingleton : public cSingletonBase
{
static T* mspInstance;
static void CreateInstance()
{
mspInstance = new T();
SingletonManager().Add(mspInstance);
}
public:
static T* Instance()
{
if (!mspInstance)
CreateInstance();
return mspInstance;
}
~cSingleton<T>()
{
mspInstance = nil;
}
};
}
|
