lib/ip/listen.c

   1 #include <errno.h>
   2 #include <stdio.h>
   3 #include <string.h>
   4 #include <sys/ioctl.h>
   5 #include <sys/socket.h>
   6 #include <netinet/in.h>
   7
   8 #include <net/gen/in.h>
   9 #include <net/gen/tcp.h>
  10 #include <net/gen/tcp_io.h>
  11 #include <net/gen/udp.h>
  12 #include <net/gen/udp_io.h>
  13
  14 #define DEBUG 0
  15
  16 int listen(int socket, int backlog)
  17 {
  18         int r;
  19
  20         r= ioctl(socket, NWIOTCPLISTENQ, &backlog);
  21         if (r != -1 || errno != EBADIOCTL)
  22                 return r;
  23
  24 #if DEBUG
  25         fprintf(stderr, "listen: not implemented for fd %d\n", socket);
  26 #endif
  27         errno= ENOSYS;
  28         return -1;
  29 }
  30