1 #include <iostream>
2 //基本数据类型内存池
3 #include <boost/pool/pool.hpp>
4 //类类型内存池
5 #include <boost/pool/object_pool.hpp>
6 //单例模式
7 #include <boost/pool/singleton_pool.hpp>
8 using namespace std;
9 using namespace boost;
10
11 void main1()
12 {
13 //开辟一段内存,五百个字节
14 pool<>p1(500);
15 //开辟内存
16 int *p = (int *)p1.malloc();
17 *p = 4;
18 cout << *p << endl;
19 cin.get();
20 }
21
22 class myclass
23 {
24 public:
25 myclass()
26 {
27 cout << "hello" << endl;
28 }
29 };
30
31
32 void main2()
33 {
34 object_pool<myclass> p1;
35 //需要手动调用构造
36 myclass *pmy = p1.malloc();
37 //调用构造函数
38 pmy = p1.construct();
39 cin.get();
40 }
41
42 struct pool_tag
43 {
44
45 };
46
47 void main()
48 {
49 //单例模式,只能装一个对象
50 typedef singleton_pool<pool_tag, sizeof(int)> spl;
51 int *p = (int *)spl::malloc();
52 //静态函数,释放内存
53 spl::release_memory();
54
55 cin.get();
56 }
