we

#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);
		getline(&shared_string, &len,stdin);
		pthread_mutex_unlock(&lock);
		sleep(1);
    	}

}

void * drukuj2(void * arg)
{

    while(1)
	{
	pthread_mutex_lock(&lock);
	//printf("writing:\n");
	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);
	}


	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 );

	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;
}