线程属性(线程分离)

#include <stdio.h>
#include <stdlib.h>
#include <pthread.h>

void mythread()
{
    printf("thread is pthread:n");
    sleep(1);
    printf("thread is exitingn");
    int thread_finished = 1;
    pthread_exit(NULL);
}

int main()
{
    pthread_t id;
    pthread_attr_t thread_attr;
    int ret,thread_finished;
    ret = pthread_attr_init(&thread_attr);
    if(ret!=0)
    {
        printf("pthread_attr_init errorn");
        exit(1);
    }
    
    ret = pthread_attr_setdetachstate(&thread_attr,PTHREAD_CREATE_DETACHED);
    if(ret!=0)
    {
        printf("pthread_attr_setdetachstate errorn");
        exit(1);
    }
    
    ret = pthread_create(&id,&thread_attr,(void *)mythread,NULL);
    if(ret!=0)
    {
        printf("create pthread errorn");
        exit(1);
    }    
    
    while(!thread_finished)
    {
        printf("waitint for thread finished..n");
        sleep(1);
    }
    printf("Donen");
    return 0;    
}