1 /* Copyright (C) 1994-2024 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 <https://www.gnu.org/licenses/>. */
19 #include <sys/socket.h>
23 #include <hurd/ifsock.h>
24 #include <hurd/socket.h>
25 #include <sysdep-cancel.h>
26 #include "hurd/hurdsocket.h"
28 /* Send N bytes of BUF on socket FD to peer at address ADDR (which is
29 ADDR_LEN bytes long). Returns the number sent, or -1 for errors. */
35 const struct sockaddr_un
*addr
,
38 addr_port_t aport
= MACH_PORT_NULL
;
42 /* Get an address port for the desired destination address. */
43 error_t
create_address_port (io_t port
,
44 const struct sockaddr_un
*addr
,
50 if (addr
->sun_family
== AF_LOCAL
)
52 char *name
= _hurd_sun_path_dupa (addr
, addr_len
);
53 /* For the local domain, we must look up the name as a file and talk
54 to it with the ifsock protocol. */
55 file_t file
= __file_name_lookup (name
, 0, 0);
56 if (file
== MACH_PORT_NULL
)
58 err_port
= __ifsock_getsockaddr (file
, aport
);
59 __mach_port_deallocate (__mach_task_self (), file
);
60 if (err_port
== MIG_BAD_ID
|| err_port
== EOPNOTSUPP
)
61 /* The file did not grok the ifsock protocol. */
66 err_port
= __socket_create_address (port
,
76 err
= HURD_DPORT_USE_CANCEL (fd
,
79 err
= create_address_port (port
, addr
, addr_len
,
86 int cancel_oldtype
= LIBC_CANCEL_ASYNC();
87 err
= __socket_send (port
, aport
,
90 MACH_MSG_TYPE_COPY_SEND
, 0,
92 LIBC_CANCEL_RESET (cancel_oldtype
);
97 if (MACH_PORT_VALID (aport
))
98 __mach_port_deallocate (__mach_task_self (), aport
);
100 return err
? __hurd_sockfail (fd
, flags
, err
) : wrote
;
103 weak_alias (__sendto
, sendto
)