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

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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 * Licensed under the Academic Free License version 2.1
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 *
23 */
24
25#include <config.h>
26#include "dbus-protocol.h"
27#include "dbus-string.h"
28#include "dbus-internals.h"
29#include "dbus-pipe.h"
30#include "dbus-sysdeps-unix.h"
31
32#include <errno.h>
33
44int
45_dbus_pipe_write (DBusPipe *pipe,
46 const DBusString *buffer,
47 int start,
48 int len,
49 DBusError *error)
50{
51 int written;
52
53 written = _dbus_write (pipe->fd, buffer, start, len);
54 if (written < 0)
55 {
56 dbus_set_error (error, DBUS_ERROR_FAILED,
57 "Writing to pipe: %s\n",
58 _dbus_strerror (errno));
59 }
60 return written;
61}
62
70int
71_dbus_pipe_close (DBusPipe *pipe,
72 DBusError *error)
73{
74 if (!_dbus_close (pipe->fd, error))
75 {
76 return -1;
77 }
78 else
79 {
80 _dbus_pipe_invalidate (pipe);
81 return 0;
82 }
83}
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:354
DBUS_ERROR_FAILED
#define DBUS_ERROR_FAILED
A generic error; "something went wrong" - see the error message for more.
Definition dbus-protocol.h:359
_dbus_close
dbus_bool_t _dbus_close(int fd, DBusError *error)
Closes a file descriptor.
Definition dbus-sysdeps-unix.c:3561
_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:791
DBusError
Object representing an exception.
Definition dbus-errors.h:49
DBusPipe
Definition dbus-pipe.h:41
DBusString
Definition dbus-string.h:43