notify.h revision 025c32ffcd9f682cd761a836fe8798738d1648f2
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 19typedef struct Notifier Notifier; 20 21struct Notifier 22{ 23 void (*notify)(Notifier *notifier); 24 QTAILQ_ENTRY(Notifier) node; 25}; 26 27typedef struct NotifierList 28{ 29 QTAILQ_HEAD(, Notifier) notifiers; 30} NotifierList; 31 32#define NOTIFIER_LIST_INITIALIZER(head) \ 33 { QTAILQ_HEAD_INITIALIZER((head).notifiers) } 34 35void notifier_list_init(NotifierList *list); 36 37void notifier_list_add(NotifierList *list, Notifier *notifier); 38 39void notifier_list_remove(NotifierList *list, Notifier *notifier); 40 41void notifier_list_notify(NotifierList *list); 42 43#endif 44