D-Bus: dbus-pipe-unix.c Source File

D-Bus 1.16.2

dbus-pipe-unix.c
1/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
2/* dbus-pipe-unix.c unix related pipe implementation
3 *
4 * Copyright (C) 2002, 2003, 2006 Red Hat, Inc.
5 * Copyright (C) 2003 CodeFactory AB
6 *
7 * SPDX-License-Identifier: AFL-2.1 OR GPL-2.0-or-later
8 *
9 * Licensed under the Academic Free License version 2.1
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 *
25 */
26
27#include <config.h>
28#include "dbus-protocol.h"
29#include "dbus-string.h"
30#include "dbus-internals.h"
31#include "dbus-pipe.h"
32#include "dbus-sysdeps-unix.h"
33
34#include <errno.h>
35
46int
47_dbus_pipe_write (DBusPipe *pipe,
48 const DBusString *buffer,
49 int start,
50 int len,
51 DBusError *error)
52{
53 int written;
54
55 written = _dbus_write (pipe->fd, buffer, start, len);
56 if (written < 0)
57 {
58 dbus_set_error (error, DBUS_ERROR_FAILED,
59 "Writing to pipe: %s\n",
60 _dbus_strerror (errno));
61 }
62 return written;
63}
64
72int
73_dbus_pipe_close (DBusPipe *pipe,
74 DBusError *error)
75{
76 if (!_dbus_close (pipe->fd, error))
77 {
78 return -1;
79 }
80 else
81 {
82 _dbus_pipe_invalidate (pipe);
83 return 0;
84 }
85}
dbus_set_error
void dbus_set_error(DBusError *error, const char *name, const char *format,...)
Assigns an error name and message to a DBusError.
Definition dbus-errors.c:356
DBUS_ERROR_FAILED
#define DBUS_ERROR_FAILED
A generic error; "something went wrong" - see the error message for more.
Definition dbus-protocol.h:361
_dbus_close
dbus_bool_t _dbus_close(int fd, DBusError *error)
Closes a file descriptor.
Definition dbus-sysdeps-unix.c:3727
_dbus_write
int _dbus_write(int fd, const DBusString *buffer, int start, int len)
Thin wrapper around the write() system call that writes a part of a DBusString and handles EINTR for ...
Definition dbus-sysdeps-unix.c:827
DBusError
Object representing an exception.
Definition dbus-errors.h:51
DBusPipe
Definition dbus-pipe.h:41
DBusString
Definition dbus-string.h:47