linux OS 多线程学习

/***********************
 * author :lzhenf
 * it's a program with args for mutithread in linux OS
 * date:2012.3.27
 * ***********************/
#include <stdio.h>
#include <pthread.h>

void* mythread(void* args)
{
    char *str1;
    str1 = (char *)args;
    sleep(5);
    printf("the thread id is %u",(unsigned int )pthread_self());
    printf("the thread id num is %d",getpid());
    printf("create parameter is %s\n",str1);
    return (void*)0;
}

int main(int argc ,char *argv[])
{
   pthread_t id;
   int error;

   char a[]="lzhenf";
   char *p = a;

   error = pthread_create(&id , NULL , (void*)mythread,(void*)p);

   if (error)
   {
        printf("the create is error\n");
        return -1;
   }
   sleep(1);
   printf("pthread_create is created \n");
   pthread_join(id,NULL);
 
   return 0;    
}