blob: 305ac1d280662aae06e3650d052abd9c513ffcce (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
/*
* QEMU I/O channels external command driver
*
* Copyright (c) 2015 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef QIO_CHANNEL_COMMAND_H
#define QIO_CHANNEL_COMMAND_H
#include "io/channel.h"
#include "qom/object.h"
#define TYPE_QIO_CHANNEL_COMMAND "qio-channel-command"
OBJECT_DECLARE_SIMPLE_TYPE(QIOChannelCommand, QIO_CHANNEL_COMMAND)
/**
* QIOChannelCommand:
*
* The QIOChannelCommand class provides a channel implementation
* that can transport data with an externally running command
* via its stdio streams.
*/
struct QIOChannelCommand {
QIOChannel parent;
int writefd;
int readfd;
pid_t pid;
};
/**
* qio_channel_command_new_spawn:
* @argv: the NULL terminated list of command arguments
* @flags: the I/O mode, one of O_RDONLY, O_WRONLY, O_RDWR
* @errp: pointer to a NULL-initialized error object
*
* Create a channel for performing I/O with the
* command to be spawned with arguments @argv.
*
* Returns: the command channel object, or NULL on error
*/
QIOChannelCommand *
qio_channel_command_new_spawn(const char *const argv[],
int flags,
Error **errp);
#endif /* QIO_CHANNEL_COMMAND_H */
|
