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68396ea @rmustacc Initial commit of d32e8d0b8d9e0ef7cf7ab2e74548982972789dfc from qemu-kvm
rmustacc authored
1 /*
2 * Notifier lists
3 *
4 * Copyright IBM, Corp. 2010
5 *
6 * Authors:
7 * Anthony Liguori <aliguori@us.ibm.com>
8 *
9 * This work is licensed under the terms of the GNU GPL, version 2. See
10 * the COPYING file in the top-level directory.
11 *
12 */
13
14 #ifndef QEMU_NOTIFY_H
15 #define QEMU_NOTIFY_H
16
17 #include "qemu-queue.h"
18
19 typedef struct Notifier Notifier;
20
21 struct Notifier
22 {
23 void (*notify)(Notifier *notifier);
24 QTAILQ_ENTRY(Notifier) node;
25 };
26
27 typedef struct NotifierList
28 {
29 QTAILQ_HEAD(, Notifier) notifiers;
30 } NotifierList;
31
32 #define NOTIFIER_LIST_INITIALIZER(head) \
33 { QTAILQ_HEAD_INITIALIZER((head).notifiers) }
34
35 void notifier_list_init(NotifierList *list);
36
37 void notifier_list_add(NotifierList *list, Notifier *notifier);
38
39 void notifier_list_remove(NotifierList *list, Notifier *notifier);
40
41 void notifier_list_notify(NotifierList *list);
42
43 #endif
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