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 44