1 /* Copyright (C) 1992-2021 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
shutdown(int fd,int how)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 }
39