1 /* Serial interface for local domain connections on Un*x like systems.
3 Copyright (C) 1992-2019 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
24 #include <sys/socket.h>
28 #define UNIX_PATH_MAX sizeof(((struct sockaddr_un *) NULL)->sun_path)
31 /* Open an AF_UNIX socket. */
34 uds_open (struct serial *scb, const char *name)
36 struct sockaddr_un addr;
38 if (strlen (name) > UNIX_PATH_MAX - 1)
41 (_("The socket name is too long. It may be no longer than %s bytes."),
42 pulongest (UNIX_PATH_MAX - 1L));
46 memset (&addr, 0, sizeof addr);
47 addr.sun_family = AF_UNIX;
48 strncpy (addr.sun_path, name, UNIX_PATH_MAX - 1);
50 int sock = socket (AF_UNIX, SOCK_STREAM, 0);
52 if (connect (sock, (struct sockaddr *) &addr,
53 sizeof (struct sockaddr_un)) < 0)
66 uds_close (struct serial *scb)
76 uds_read_prim (struct serial *scb, size_t count)
78 return recv (scb->fd, scb->buf, count, 0);
82 uds_write_prim (struct serial *scb, const void *buf, size_t count)
84 return send (scb->fd, buf, count, 0);
87 /* The local socket ops. */
89 static const struct serial_ops uds_ops =
97 ser_base_flush_output,
101 ser_base_get_tty_state,
102 ser_base_copy_tty_state,
103 ser_base_set_tty_state,
104 ser_base_print_tty_state,
105 ser_base_setbaudrate,
106 ser_base_setstopbits,
108 ser_base_drain_output,
115 _initialize_ser_socket (void)
117 serial_add_interface (&uds_ops);