79 lines
2.6 KiB
C
79 lines
2.6 KiB
C
/* Copyright (C) 1992-2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <sys/socket.h>
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#include <hurd.h>
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#include <hurd/socket.h>
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#include <hurd/fd.h>
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#include <fcntl.h>
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#include <fcntl-internal.h>
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/* Create a new socket of type TYPE in domain DOMAIN, using
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protocol PROTOCOL. If PROTOCOL is zero, one is chosen automatically.
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Returns a file descriptor for the new socket, or -1 for errors. */
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int
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__socket (int domain, int type, int protocol)
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{
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error_t err;
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socket_t sock, server;
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int flags = sock_to_o_flags (type & ~SOCK_TYPE_MASK);
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type &= SOCK_TYPE_MASK;
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if (flags & ~(O_CLOEXEC | O_NONBLOCK))
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return __hurd_fail (EINVAL);
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/* Find the socket server for DOMAIN. */
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server = _hurd_socket_server (domain, 0);
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if (server == MACH_PORT_NULL)
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return -1;
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err = __socket_create (server, type, protocol, &sock);
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if (err == MACH_SEND_INVALID_DEST || err == MIG_SERVER_DIED
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|| err == MIG_BAD_ID || err == EOPNOTSUPP)
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{
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/* On the first use of the socket server during the operation,
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allow for the old server port dying. */
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server = _hurd_socket_server (domain, 1);
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if (server == MACH_PORT_NULL)
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return -1;
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err = __socket_create (server, type, protocol, &sock);
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}
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/* These errors all mean that the server node doesn't support the
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socket.defs protocol, which we'll take to mean that the protocol
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isn't supported. */
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if (err == MACH_SEND_INVALID_DEST || err == MIG_SERVER_DIED
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|| err == MIG_BAD_ID || err == EOPNOTSUPP)
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err = EAFNOSUPPORT;
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if (! err)
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{
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if (flags & O_NONBLOCK)
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err = __io_set_some_openmodes (sock, O_NONBLOCK);
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/* TODO: do we need special ERR massaging after the previous call? */
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}
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if (err)
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return __hurd_fail (err);
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return _hurd_intern_fd (sock, O_IGNORE_CTTY | flags, 1);
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}
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libc_hidden_def (__socket)
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weak_alias (__socket, socket)
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