mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-27 04:52:05 +08:00
4a94e36819
This commit brings all the changes made by running gdb/copyright.py as per GDB's Start of New Year Procedure. For the avoidance of doubt, all changes in this commits were performed by the script.
120 lines
2.6 KiB
C
120 lines
2.6 KiB
C
/* Serial interface for local domain connections on Un*x like systems.
|
|
|
|
Copyright (C) 1992-2022 Free Software Foundation, Inc.
|
|
|
|
This file is part of GDB.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
|
|
|
#include "defs.h"
|
|
#include "serial.h"
|
|
#include "ser-base.h"
|
|
|
|
#include <sys/socket.h>
|
|
#include <sys/un.h>
|
|
|
|
#ifndef UNIX_PATH_MAX
|
|
#define UNIX_PATH_MAX sizeof(((struct sockaddr_un *) NULL)->sun_path)
|
|
#endif
|
|
|
|
/* Open an AF_UNIX socket. */
|
|
|
|
static int
|
|
uds_open (struct serial *scb, const char *name)
|
|
{
|
|
struct sockaddr_un addr;
|
|
|
|
if (strlen (name) > UNIX_PATH_MAX - 1)
|
|
{
|
|
warning
|
|
(_("The socket name is too long. It may be no longer than %s bytes."),
|
|
pulongest (UNIX_PATH_MAX - 1L));
|
|
return -1;
|
|
}
|
|
|
|
memset (&addr, 0, sizeof addr);
|
|
addr.sun_family = AF_UNIX;
|
|
strncpy (addr.sun_path, name, UNIX_PATH_MAX - 1);
|
|
|
|
int sock = socket (AF_UNIX, SOCK_STREAM, 0);
|
|
|
|
if (connect (sock, (struct sockaddr *) &addr,
|
|
sizeof (struct sockaddr_un)) < 0)
|
|
{
|
|
close (sock);
|
|
scb->fd = -1;
|
|
return -1;
|
|
}
|
|
|
|
scb->fd = sock;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
uds_close (struct serial *scb)
|
|
{
|
|
if (scb->fd == -1)
|
|
return;
|
|
|
|
close (scb->fd);
|
|
scb->fd = -1;
|
|
}
|
|
|
|
static int
|
|
uds_read_prim (struct serial *scb, size_t count)
|
|
{
|
|
return recv (scb->fd, scb->buf, count, 0);
|
|
}
|
|
|
|
static int
|
|
uds_write_prim (struct serial *scb, const void *buf, size_t count)
|
|
{
|
|
return send (scb->fd, buf, count, 0);
|
|
}
|
|
|
|
/* The local socket ops. */
|
|
|
|
static const struct serial_ops uds_ops =
|
|
{
|
|
"local",
|
|
uds_open,
|
|
uds_close,
|
|
NULL,
|
|
ser_base_readchar,
|
|
ser_base_write,
|
|
ser_base_flush_output,
|
|
ser_base_flush_input,
|
|
ser_base_send_break,
|
|
ser_base_raw,
|
|
ser_base_get_tty_state,
|
|
ser_base_copy_tty_state,
|
|
ser_base_set_tty_state,
|
|
ser_base_print_tty_state,
|
|
ser_base_setbaudrate,
|
|
ser_base_setstopbits,
|
|
ser_base_setparity,
|
|
ser_base_drain_output,
|
|
ser_base_async,
|
|
uds_read_prim,
|
|
uds_write_prim
|
|
};
|
|
|
|
void _initialize_ser_socket ();
|
|
void
|
|
_initialize_ser_socket ()
|
|
{
|
|
serial_add_interface (&uds_ops);
|
|
}
|