#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <unistd.h>
#include <poll.h>

#include <pthread.h>
#include <strings.h>
#include <stdio.h>
#include <stdlib.h>

int sock = -1;
void *
thread(void *arg)
{
       printf("Sleeping\n");
       sleep(1);
       printf("Closing\n");
       close(sock);

       /*
        * Open as many sockets as possible to make it likely that the memory
        * for the socket that we just closed will be re-used.
        */
       while (1) {
               int s = socket(PF_INET, SOCK_DGRAM, 0);

               if (s < 0) {
                       perror("socket failed");
                       exit(1);
               }
       }

       return (NULL);
}

int main(int argc, char **argv)
{
       sock = socket(PF_INET, SOCK_DGRAM, 0);

       if (sock < 0) {
               perror("socket failed");
               exit(1);
       }

       printf("sock is %d\n", sock);

       struct sockaddr_in sin;
       sin.sin_family = AF_INET;
       sin.sin_port = htons(11965);
       sin.sin_addr.s_addr = htonl(0x7f000001);
       sin.sin_len = sizeof(sin);

       if (connect(sock, (struct sockaddr*)&sin, sizeof(sin)) < 0) {
               perror("connect failed");
               exit(1);
       }

       pthread_t td;
       int error = pthread_create(&td, NULL, thread, NULL);

       if (error) {
               perror("pthread_create");
               exit(1);
       }

       while (1) {
               struct pollfd pfd;
               pfd.fd = sock;
               pfd.events = POLLIN;
               printf("Polling...\n");
               error = poll(&pfd, 1, 7000);

               if (error) {
                       perror("poll failed");
                       exit(1);
               }
       }
	return (0);
}