D-Bus  1.13.7
dbus-pipe.c
1 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
2 /* dbus-pipe.c pipe implementation (internal to D-Bus 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-pipe.h"
27 
28 /*
29  * init a pipe instance.
30  *
31  * @param pipe the pipe
32  * @param fd the file descriptor to init from
33  */
34 void
35 _dbus_pipe_init (DBusPipe *pipe,
36  int fd)
37 {
38  pipe->fd = fd;
39 }
40 
46 void
47 _dbus_pipe_init_stdout (DBusPipe *pipe)
48 {
49  _dbus_pipe_init (pipe, 1);
50 }
51 
60 _dbus_pipe_is_valid(DBusPipe *pipe)
61 {
62  return pipe->fd >= 0;
63 }
64 
72 _dbus_pipe_is_stdout_or_stderr (DBusPipe *pipe)
73 {
74  return pipe->fd == 1 || pipe->fd == 2;
75 }
76 
81 void
82 _dbus_pipe_invalidate (DBusPipe *pipe)
83 {
84  pipe->fd = -1;
85 }
dbus_uint32_t dbus_bool_t
A boolean, valid values are TRUE and FALSE.
Definition: dbus-types.h:35