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c767ae62 DB |
1 | /* |
2 | * QEMU I/O channels utility APIs | |
3 | * | |
4 | * Copyright (c) 2016 Red Hat, Inc. | |
5 | * | |
6 | * This library is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU Lesser General Public | |
8 | * License as published by the Free Software Foundation; either | |
c8198bd5 | 9 | * version 2.1 of the License, or (at your option) any later version. |
c767ae62 DB |
10 | * |
11 | * This library is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * Lesser General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU Lesser General Public | |
17 | * License along with this library; if not, see <http://www.gnu.org/licenses/>. | |
18 | * | |
19 | */ | |
20 | ||
30456d5b | 21 | #include "qemu/osdep.h" |
c767ae62 DB |
22 | #include "io/channel-util.h" |
23 | #include "io/channel-file.h" | |
24 | #include "io/channel-socket.h" | |
25 | ||
26 | ||
c767ae62 DB |
27 | QIOChannel *qio_channel_new_fd(int fd, |
28 | Error **errp) | |
29 | { | |
30 | QIOChannel *ioc; | |
31 | ||
32 | if (fd_is_socket(fd)) { | |
33 | ioc = QIO_CHANNEL(qio_channel_socket_new_fd(fd, errp)); | |
34 | } else { | |
35 | ioc = QIO_CHANNEL(qio_channel_file_new_fd(fd)); | |
36 | } | |
37 | return ioc; | |
38 | } | |
06e0f098 SH |
39 | |
40 | ||
41 | void qio_channel_util_set_aio_fd_handler(int read_fd, | |
42 | AioContext *read_ctx, | |
43 | IOHandler *io_read, | |
44 | int write_fd, | |
45 | AioContext *write_ctx, | |
46 | IOHandler *io_write, | |
47 | void *opaque) | |
48 | { | |
49 | if (read_fd == write_fd && read_ctx == write_ctx) { | |
50 | aio_set_fd_handler(read_ctx, read_fd, io_read, io_write, | |
51 | NULL, NULL, opaque); | |
52 | } else { | |
53 | if (read_ctx) { | |
54 | aio_set_fd_handler(read_ctx, read_fd, io_read, NULL, | |
55 | NULL, NULL, opaque); | |
56 | } | |
57 | if (write_ctx) { | |
58 | aio_set_fd_handler(write_ctx, write_fd, NULL, io_write, | |
59 | NULL, NULL, opaque); | |
60 | } | |
61 | } | |
62 | } |