#include<stdio.h>
#include<stdlib.h>
#include<sys/types.h>
#include<sys/stat.h>
#include<unistd.h>
#include<fcntl.h>
#include<string.h>
#include<pthread.h>
char buf[200]={0};
void *func(void *arg)
{
  while(1)
  {
    memset(buf,0,sizeof(buf));//初始化内存函数
    printf("before keyboard read.\n");
    read(0,buf,10);
    printf("read by keyboard is [%s]\n",buf);
  }
}
int main(void)
{
  pid_t pid = -1;
  int fd = -1;
  char buf[200]={0};
  int ret = -1;
  pthread_t th = -1;
  ret = pthread_create(&th,NULL,func,NULL); //创建一个新进程
  if(ret != 0)
  {
    printf("pthread_created eror.\n");
    return -1;
  }
  fd = open("/dev/input/mouse0",O_RDWR);
  if(fd < 0)
  { 
    perror("open");
    return -1;
  }
  while(1)
  {
    memset(buf,0,sizeof(buf));//初始化内存函数
    printf("before mouse read.\n");
    read(fd,buf,10);
    printf("read by mouse is [%s]\n",buf);
  }
  return 0;
}