SCZR

#include <unistd.h>
#include <stdio.h>
#include <sys/socket.h>
#include <stdlib.h>
#include <netinet/in.h>
#include <string.h>
#include <pthread.h>
#define PORT 1000
#define SIZE 32

int koniec = 0;
pthread_t pid1, pid2;
char * shared_string;
pthread_mutex_t lock;
int new_socket;
    int server_fd,  valread;
    struct sockaddr_in address;
    int opt = 1;
void * drukuj1(void * arg)
{
size_t len=0;
    while(1) {
pthread_mutex_lock(&lock);
//printf("reading:\n");
         getline(&shared_string, &len,stdin);

pthread_mutex_unlock(&lock);
sleep(1);
    }

}

void * drukuj2(void * arg)
{

    while(1) {
pthread_mutex_lock(&lock);
  //printf("writing:\n");
      //  printf("%s\n",shared_string);
    send(new_socket , shared_string, strlen(shared_string), 0 );

pthread_mutex_unlock(&lock);
sleep(1);
    }

}
int main(int argc, char *argv[])
{

    int addrlen = sizeof(address);
// Creating socket file descriptor
    if ((server_fd = socket(AF_INET, SOCK_STREAM, 0)) == 0)
    {
        printf("socket failed");
        exit(EXIT_FAILURE);
    }

    // Forcefully attaching socket to the port 8080
    if (setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR | SO_REUSEPORT,
                                                  &opt, sizeof(opt)))
    {
        printf("setsockopt");
        exit(EXIT_FAILURE);
    }
    address.sin_family = AF_INET;
    address.sin_addr.s_addr = INADDR_ANY;
    address.sin_port = htons( PORT );

    // Forcefully attaching socket to the port 8080
    if (bind(server_fd, (struct sockaddr *)&address,
                                 sizeof(address))<0)
    {
        printf("bind failed");
        exit(EXIT_FAILURE);
    }
    if (listen(server_fd, 3) < 0)
    {
        printf("listen");
        exit(EXIT_FAILURE);
    }

  new_socket = accept(server_fd, (struct sockaddr *)&address,
                       (socklen_t*)&addrlen);


   pthread_mutex_init(&lock, NULL) ;
shared_string=(char*)malloc(SIZE*sizeof(char));
printf("Nawiazano polaczenie\n");
    pthread_create(&pid1,NULL,drukuj1,NULL);
    pthread_create(&pid2,NULL,drukuj2,NULL);
    pthread_join(pid1,NULL);
    pthread_join(pid2,NULL);
    return 0;
}