Daniel P. Berrange | c767ae6 | 2016-02-03 14:00:28 +0000 | [diff] [blame] | 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 |
Chetan Pant | c8198bd | 2020-10-14 13:40:33 +0000 | [diff] [blame] | 9 | * version 2.1 of the License, or (at your option) any later version. |
Daniel P. Berrange | c767ae6 | 2016-02-03 14:00:28 +0000 | [diff] [blame] | 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 | |
Peter Maydell | 30456d5 | 2016-02-23 11:58:03 +0000 | [diff] [blame] | 21 | #include "qemu/osdep.h" |
Daniel P. Berrange | c767ae6 | 2016-02-03 14:00:28 +0000 | [diff] [blame] | 22 | #include "io/channel-util.h" |
| 23 | #include "io/channel-file.h" |
| 24 | #include "io/channel-socket.h" |
| 25 | |
| 26 | |
Daniel P. Berrange | c767ae6 | 2016-02-03 14:00:28 +0000 | [diff] [blame] | 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 | } |
Stefan Hajnoczi | 06e0f09 | 2023-08-30 18:48:02 -0400 | [diff] [blame] | 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 | } |