sysdeps/mach/hurd/shutdown.c

   1 /* Copyright (C) 1992, 1994, 1997 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #include <errno.h>
  20 #include <sys/socket.h>
  21 #include <hurd.h>
  22 #include <hurd/socket.h>
  23 #include <hurd/fd.h>
  24
  25 /* Shut down all or part of the connection open on socket FD.
  26    HOW determines what to shut down:
  27      0 = No more receptions;
  28      1 = No more transmissions;
  29      2 = No more receptions or transmissions.
  30    Returns 0 on success, -1 for errors.  */
  31 /* XXX should be __shutdown ? */
  32 int
  33 shutdown (fd, how)
  34      int fd;
  35      int how;
  36 {
  37   error_t err = HURD_DPORT_USE (fd, __socket_shutdown (port, how));
  38   if (err)
  39     return __hurd_dfail (fd, err);
  40   return 0;
  41 }