简单c++单例模式实现-创新互联

#include#include#include#includeclass Process{
public:
    Process(){
        ps = NULL;
    };
    virtual ~Process(){};
    static Process *getinstance(){
        if(ps == NULL)
            ps = new(std::nothrow)Process();
        return ps;
    };
protected:
    int newPicPath[10];
    void playnpic(){
        for(int i=0;i<10;i++){
            printf("%d ",newPicPath[i]);
        }printf("\n");
    };
    static void* playPic(void *){
        if(ps != NULL){
            ps->playnpic();
        }
    };
private:
    static Process *ps;
};

class te_process : public Process{
public:
    te_process(){};
    ~te_process(){};
    void func(){
        pthread_t tid;
        pthread_create(&tid,NULL,playPic,this);
    };
};

int main()
{
    int i;
    te_process *te = new(std::nothrow)te_process();
    for(i=0; i<10; i++){
        te->getinstance()->newPicPath[i] = i;
    }
    te->func();
    return 0;
}

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