pthread_detach pthread

pthread_detach pthread_create实例

//pool.h
 1 #ifndef POOL_H
 2 #define POOL_H
 3 #include <pthread.h>
 4 
 5 class pool
 6 {
 7 public:
 8     pool();
 9     ~pool();
10 
11     void func();
12     static void *schedule(void *ptr);
13     int schedule_thread();
14     /*
15 private:
16     pthread_t pid;
17     void *params;
18     */
19 };
20 
21 #endif // POOL_H

//pool.cpp
 1 #include <iostream>
 2 #include <stdio.h>
 3 #include <pthread.h>
 4 #include "pool.h"
 5 using namespace std;
 6 pool::pool()
 7 {
 8     cout << "pool()" << endl;
 9 }
10 
11 pool::~pool()
12 {
13     cout << "~pool()" << endl;
14 }
15 
16 void pool::func(){
17     cout << "pool::func" << endl;
18 }
19 
20 //void *pool::schedule(void *ptr){
21 void *pool::schedule(void *ptr){
22     cout << "enter pool::schedule" << endl;
23     //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,
24     int res = pthread_detach(pthread_self());
25     if(res != 0){
26         printf("please check /proc/%ld/maps
", pthread_self());
27     }
28     pool *p = (pool *)ptr;
29     p->func();
30     cout << "leave schedule" << endl;
31     return 0;
32 }
33 
34 int pool::schedule_thread(){
35     cout << "enter pool::schedule_thread" << endl;
36     pthread_t pid;
37     //if(pthread_create(&pid , NULL ,schedule, (void *)this) != 0){
38     if(pthread_create(&pid , NULL ,schedule, (void *)this) != 0){
39         cerr << "schedule thread create fail" << endl;
40         return -1;
41     }
42     cout << "leave pool::schedule_thread" << endl;
43     return 0;
44 }

//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;
}