1  /* Copyright (C) 1992-2023 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, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <errno.h>
      19  #include <sys/socket.h>
      20  #include <hurd.h>
      21  #include <hurd/socket.h>
      22  #include <hurd/fd.h>
      23  
      24  /* Shut down all or part of the connection open on socket FD.
      25     HOW determines what to shut down:
      26       0 = No more receptions;
      27       1 = No more transmissions;
      28       2 = No more receptions or transmissions.
      29     Returns 0 on success, -1 for errors.  */
      30  /* XXX should be __shutdown ? */
      31  int
      32  shutdown (int fd, int how)
      33  {
      34    error_t err = HURD_DPORT_USE (fd, __socket_shutdown (port, how));
      35    if (err)
      36      return __hurd_dfail (fd, err);
      37    return 0;
      38  }