#include <stdio.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <poll.h>

int main (int argc, char *argv[])
{
  const struct sockaddr_un sa = { AF_UNIX, "\0huhu2" };
  int socket_recv = -1, socket_send = -1;
  struct pollfd pfd[1];
  int ret;

  socket_recv = socket (AF_UNIX, SOCK_SEQPACKET, 0);
  if (socket_recv < 0)
    perror ("socket #1");
  
  ret = bind (socket_recv, (struct sockaddr *) &sa, sizeof (sa));
  if (ret < 0)
    perror ("bind");

  ret = listen (socket_recv, 1);
  if (ret < 0)
    perror ("listen");
  
  socket_send = socket (AF_UNIX, SOCK_SEQPACKET, 0);
  if (socket_send < 0)
    perror ("socket #2");
  
  ret = connect (socket_send, (struct sockaddr *) &sa, sizeof (sa));
  if (ret < 0)
    perror ("connect");

  send (socket_send, "text", 5, 0);
  
  pfd[0].fd = socket_recv;
  pfd[0].events = POLLIN;
  
  ret = poll (pfd, 1, 1000);
  if (ret > 0 && pfd[0].revents & POLLIN)
    {
      char data[6];
      recv (socket_recv, data, 5, 0);
      data[5] = '\0';
      fprintf (stderr, "return: %s\n", data);
    }
  if (ret < 0)
    perror ("poll");
  
  return 0;
}