1 | /* |
2 | * event notifier support |
3 | * |
4 | * Copyright Red Hat, Inc. 2010 |
5 | * |
6 | * Authors: |
7 | * Michael S. Tsirkin <mst@redhat.com> |
8 | * |
9 | * This work is licensed under the terms of the GNU GPL, version 2 or later. |
10 | * See the COPYING file in the top-level directory. |
11 | */ |
12 | |
13 | #ifndef QEMU_EVENT_NOTIFIER_H |
14 | #define QEMU_EVENT_NOTIFIER_H |
15 | |
16 | |
17 | #ifdef _WIN32 |
18 | #include <windows.h> |
19 | #endif |
20 | |
21 | struct EventNotifier { |
22 | #ifdef _WIN32 |
23 | HANDLE event; |
24 | #else |
25 | int rfd; |
26 | int wfd; |
27 | #endif |
28 | }; |
29 | |
30 | typedef void EventNotifierHandler(EventNotifier *); |
31 | |
32 | int event_notifier_init(EventNotifier *, int active); |
33 | void event_notifier_cleanup(EventNotifier *); |
34 | int event_notifier_set(EventNotifier *); |
35 | int event_notifier_test_and_clear(EventNotifier *); |
36 | |
37 | #ifdef CONFIG_POSIX |
38 | void event_notifier_init_fd(EventNotifier *, int fd); |
39 | int event_notifier_get_fd(const EventNotifier *); |
40 | #else |
41 | HANDLE event_notifier_get_handle(EventNotifier *); |
42 | #endif |
43 | |
44 | #endif |
45 | |