pthread_detach pthread_create实例

//pool.h
 1 #ifndef POOL_H
#define POOL_H
#include <pthread.h>

class pool
{
public:
    pool();
    ~pool();

    void func();
    static void *schedule(void *ptr);
    int schedule_thread();
    /*
private:
    pthread_t pid;
    void *params;
    */
};

#endif // POOL_H

//pool.cpp
 1 #include <iostream>
#include <stdio.h>
#include <pthread.h>
#include "pool.h"
using namespace std;
pool::pool()
{
    cout << "pool()" << endl;
}

pool::~pool()
{
    cout << "~pool()" << endl;
}

void pool::func(){
    cout << "pool::func" << endl;
}

//void *pool::schedule(void *ptr){
void *pool::schedule(void *ptr){
    cout << "enter pool::schedule" << endl;
    //unjoinable属性可以在pthread_create时指定，或在线程创建后在线程中pthread_detach自己,
    int res = pthread_detach(pthread_self());
    if(res != 0){
        printf("please check /proc/%ld/maps
", pthread_self());
    }
    pool *p = (pool *)ptr;
    p->func();
    cout << "leave schedule" << endl;
    return 0;
}

int pool::schedule_thread(){
    cout << "enter pool::schedule_thread" << endl;
    pthread_t pid;
    //if(pthread_create(&pid , NULL ,schedule, (void *)this) != 0){
    if(pthread_create(&pid , NULL ,schedule, (void *)this) != 0){
        cerr << "schedule thread create fail" << endl;
        return -1;
    }
    cout << "leave pool::schedule_thread" << endl;
    return 0;
}

//main.cpp
#include<stdio.h>
#include <stdlib.h>
#include <string.h>
#include "pool.h"
int main(void)
{
    pool *pl = new pool();
   // pl.func();
    pool::schedule(pl);
    //pl.schedule_thread();
    delete pl;
    return 0;
}