lib/libc/sys-minix/listen.c

   1 #include <sys/cdefs.h>
   2 #include "namespace.h"
   3
   4 #include <errno.h>
   5 #include <stdio.h>
   6 #include <string.h>
   7 #include <sys/ioctl.h>
   8 #include <sys/socket.h>
   9 #include <netinet/in.h>
  10
  11 #include <net/gen/in.h>
  12 #include <net/gen/tcp.h>
  13 #include <net/gen/tcp_io.h>
  14 #include <net/gen/udp.h>
  15 #include <net/gen/udp_io.h>
  16
  17 #define DEBUG 0
  18
  19 int listen(int sock, int backlog)
  20 {
  21         int r;
  22
  23         r= ioctl(sock, NWIOTCPLISTENQ, &backlog);
  24         if (r != -1 || errno != EBADIOCTL)
  25                 return r;
  26
  27         r= ioctl(sock, NWIOSUDSBLOG, &backlog);
  28         if (r != -1 || errno != EBADIOCTL)
  29                 return r;
  30
  31 #if DEBUG
  32         fprintf(stderr, "listen: not implemented for fd %d\n", sock);
  33 #endif
  34         errno= ENOSYS;
  35         return -1;
  36 }
  37