1025c32ffcd9f682cd761a836fe8798738d1648f2David Turner/* 2025c32ffcd9f682cd761a836fe8798738d1648f2David Turner * Notifier lists 3025c32ffcd9f682cd761a836fe8798738d1648f2David Turner * 4025c32ffcd9f682cd761a836fe8798738d1648f2David Turner * Copyright IBM, Corp. 2010 5025c32ffcd9f682cd761a836fe8798738d1648f2David Turner * 6025c32ffcd9f682cd761a836fe8798738d1648f2David Turner * Authors: 7025c32ffcd9f682cd761a836fe8798738d1648f2David Turner * Anthony Liguori <aliguori@us.ibm.com> 8025c32ffcd9f682cd761a836fe8798738d1648f2David Turner * 9025c32ffcd9f682cd761a836fe8798738d1648f2David Turner * This work is licensed under the terms of the GNU GPL, version 2. See 10025c32ffcd9f682cd761a836fe8798738d1648f2David Turner * the COPYING file in the top-level directory. 11025c32ffcd9f682cd761a836fe8798738d1648f2David Turner * 12025c32ffcd9f682cd761a836fe8798738d1648f2David Turner */ 13025c32ffcd9f682cd761a836fe8798738d1648f2David Turner 14025c32ffcd9f682cd761a836fe8798738d1648f2David Turner#ifndef QEMU_NOTIFY_H 15025c32ffcd9f682cd761a836fe8798738d1648f2David Turner#define QEMU_NOTIFY_H 16025c32ffcd9f682cd761a836fe8798738d1648f2David Turner 17025c32ffcd9f682cd761a836fe8798738d1648f2David Turner#include "qemu-queue.h" 18025c32ffcd9f682cd761a836fe8798738d1648f2David Turner 19025c32ffcd9f682cd761a836fe8798738d1648f2David Turnertypedef struct Notifier Notifier; 20025c32ffcd9f682cd761a836fe8798738d1648f2David Turner 21025c32ffcd9f682cd761a836fe8798738d1648f2David Turnerstruct Notifier 22025c32ffcd9f682cd761a836fe8798738d1648f2David Turner{ 23025c32ffcd9f682cd761a836fe8798738d1648f2David Turner void (*notify)(Notifier *notifier); 24025c32ffcd9f682cd761a836fe8798738d1648f2David Turner QTAILQ_ENTRY(Notifier) node; 25025c32ffcd9f682cd761a836fe8798738d1648f2David Turner}; 26025c32ffcd9f682cd761a836fe8798738d1648f2David Turner 27025c32ffcd9f682cd761a836fe8798738d1648f2David Turnertypedef struct NotifierList 28025c32ffcd9f682cd761a836fe8798738d1648f2David Turner{ 29025c32ffcd9f682cd761a836fe8798738d1648f2David Turner QTAILQ_HEAD(, Notifier) notifiers; 30025c32ffcd9f682cd761a836fe8798738d1648f2David Turner} NotifierList; 31025c32ffcd9f682cd761a836fe8798738d1648f2David Turner 32025c32ffcd9f682cd761a836fe8798738d1648f2David Turner#define NOTIFIER_LIST_INITIALIZER(head) \ 33025c32ffcd9f682cd761a836fe8798738d1648f2David Turner { QTAILQ_HEAD_INITIALIZER((head).notifiers) } 34025c32ffcd9f682cd761a836fe8798738d1648f2David Turner 35025c32ffcd9f682cd761a836fe8798738d1648f2David Turnervoid notifier_list_init(NotifierList *list); 36025c32ffcd9f682cd761a836fe8798738d1648f2David Turner 37025c32ffcd9f682cd761a836fe8798738d1648f2David Turnervoid notifier_list_add(NotifierList *list, Notifier *notifier); 38025c32ffcd9f682cd761a836fe8798738d1648f2David Turner 39025c32ffcd9f682cd761a836fe8798738d1648f2David Turnervoid notifier_list_remove(NotifierList *list, Notifier *notifier); 40025c32ffcd9f682cd761a836fe8798738d1648f2David Turner 41025c32ffcd9f682cd761a836fe8798738d1648f2David Turnervoid notifier_list_notify(NotifierList *list); 42025c32ffcd9f682cd761a836fe8798738d1648f2David Turner 43025c32ffcd9f682cd761a836fe8798738d1648f2David Turner#endif 44