c++ 的垃圾收集（garbage collector
时间：2011-05-04 来源：cutepig
C++ 中實做 gc 有一個有名的 implementation，叫做 Boehm garbage collector。包括 gcj 或 mono 等知名的軟體專案都有採用。
http://patricklog.blogspot.com/2011/02/c-garbage-collector.html
/*
* gctest.cpp
*
* Created on: 2011/2/27
* Author: Patrick Wang
*/
#include <gc/gc_cpp.h>
#include <iostream>
#define THIS "this: "<<this
using namespace std;
class ClassA: public virtual gc_cleanup {
public:
ClassA() { cout<<"Construction "<<THIS<<endl; }
~ClassA() { cout<<"Destruction "<<THIS<<endl; }
int a[100000];
};
int main() {
GC_INIT();
cout<<">>> GC Heap size: "<<GC_get_heap_size()<<endl;
for (int i = 0; i < 100; i++){
ClassA *a = new ClassA();
cout<<">>> GC Heap size: "<<GC_get_heap_size()<<endl;
}
}
* gctest.cpp
*
* Created on: 2011/2/27
* Author: Patrick Wang
*/
#include <gc/gc_cpp.h>
#include <iostream>
#define THIS "this: "<<this
using namespace std;
class ClassA: public virtual gc_cleanup {
public:
ClassA() { cout<<"Construction "<<THIS<<endl; }
~ClassA() { cout<<"Destruction "<<THIS<<endl; }
int a[100000];
};
int main() {
GC_INIT();
cout<<">>> GC Heap size: "<<GC_get_heap_size()<<endl;
for (int i = 0; i < 100; i++){
ClassA *a = new ClassA();
cout<<">>> GC Heap size: "<<GC_get_heap_size()<<endl;
}
}
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