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git.ipfire.org Git - thirdparty/glibc.git/blob - sysdeps/mach/hurd/socket.c
87ce5babc96066b6c01eaed5e330ad6996a236d5
1 /* Copyright (C) 1992-2019 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
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.
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.
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 <http://www.gnu.org/licenses/>. */
19 #include <sys/socket.h>
21 #include <hurd/socket.h>
24 #include <fcntl-internal.h>
26 /* Create a new socket of type TYPE in domain DOMAIN, using
27 protocol PROTOCOL. If PROTOCOL is zero, one is chosen automatically.
28 Returns a file descriptor for the new socket, or -1 for errors. */
30 __socket (int domain
, int type
, int protocol
)
33 socket_t sock
, server
;
34 int flags
= sock_to_o_flags (type
& ~SOCK_TYPE_MASK
);
35 type
&= SOCK_TYPE_MASK
;
37 if (flags
& ~(O_CLOEXEC
| O_NONBLOCK
))
38 return __hurd_fail (EINVAL
);
40 /* Find the socket server for DOMAIN. */
41 server
= _hurd_socket_server (domain
, 0);
42 if (server
== MACH_PORT_NULL
)
45 err
= __socket_create (server
, type
, protocol
, &sock
);
46 if (err
== MACH_SEND_INVALID_DEST
|| err
== MIG_SERVER_DIED
47 || err
== MIG_BAD_ID
|| err
== EOPNOTSUPP
)
49 /* On the first use of the socket server during the operation,
50 allow for the old server port dying. */
51 server
= _hurd_socket_server (domain
, 1);
52 if (server
== MACH_PORT_NULL
)
54 err
= __socket_create (server
, type
, protocol
, &sock
);
57 /* These errors all mean that the server node doesn't support the
58 socket.defs protocol, which we'll take to mean that the protocol
60 if (err
== MACH_SEND_INVALID_DEST
|| err
== MIG_SERVER_DIED
61 || err
== MIG_BAD_ID
|| err
== EOPNOTSUPP
)
66 if (flags
& O_NONBLOCK
)
67 err
= __io_set_some_openmodes (sock
, O_NONBLOCK
);
68 /* TODO: do we need special ERR massaging after the previous call? */
72 return __hurd_fail (err
);
74 return _hurd_intern_fd (sock
, O_IGNORE_CTTY
| flags
, 1);
77 libc_hidden_def (__socket
)
78 weak_alias (__socket
, socket
)