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
21struct EventNotifier {
22#ifdef _WIN32
23 HANDLE event;
24#else
25 int rfd;
26 int wfd;
27#endif
28};
29
30typedef void EventNotifierHandler(EventNotifier *);
31
32int event_notifier_init(EventNotifier *, int active);
33void event_notifier_cleanup(EventNotifier *);
34int event_notifier_set(EventNotifier *);
35int event_notifier_test_and_clear(EventNotifier *);
36
37#ifdef CONFIG_POSIX
38void event_notifier_init_fd(EventNotifier *, int fd);
39int event_notifier_get_fd(const EventNotifier *);
40#else
41HANDLE event_notifier_get_handle(EventNotifier *);
42#endif
43
44#endif
45