2021-10-30

#include<pthread.h>
#include<termios.h>
#include<unistd.h>
int flag;
void* thread(void *arg)
{
        int a,b,res;
        a=0;
        b=1;
        res=0;
        while (1)
        {
                res=a+b;
                a=b;
                b=res;
                sleep(1);
                printf("%d\n",res);
                if (flag==1) break;
        }
        return NULL;
}
void* consumer(void* data)
{
        int d;
        struct termios oldt,newt;
        tcgetattr(STDIN_FILENO,&oldt);
        newt=oldt;
        newt.c_lflag &= ~ (ICANON | ECHO);
        tcsetattr(STDIN_FILENO,TCSANOW,&newt);
        getchar();
        tcsetattr(STDIN_FILENO,TCSANOW,&oldt);
        flag=1;
        return NULL;
}
int main(int argc,char *argv[])
{
   pthread_t th_a,th_b;
   int arg=0;
   int *thread_ret=NULL;
   pthread_create(&th_a,NULL,thread,&arg);
   pthread_create(&th_b,NULL,consumer,&arg);
   pthread_join(th_a,NULL);
   pthread_join(th_b,NULL);
   return 0;
}