From e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb Mon Sep 17 00:00:00 2001 From: Yang Zhang Date: Fri, 28 Aug 2015 09:58:54 +0800 Subject: Add qemu 2.4.0 Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang --- qemu/util/notify.c | 71 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 qemu/util/notify.c (limited to 'qemu/util/notify.c') diff --git a/qemu/util/notify.c b/qemu/util/notify.c new file mode 100644 index 000000000..f215dfc21 --- /dev/null +++ b/qemu/util/notify.c @@ -0,0 +1,71 @@ +/* + * Notifier lists + * + * Copyright IBM, Corp. 2010 + * + * Authors: + * Anthony Liguori + * + * This work is licensed under the terms of the GNU GPL, version 2. See + * the COPYING file in the top-level directory. + * + * Contributions after 2012-01-13 are licensed under the terms of the + * GNU GPL, version 2 or (at your option) any later version. + */ + +#include "qemu-common.h" +#include "qemu/notify.h" + +void notifier_list_init(NotifierList *list) +{ + QLIST_INIT(&list->notifiers); +} + +void notifier_list_add(NotifierList *list, Notifier *notifier) +{ + QLIST_INSERT_HEAD(&list->notifiers, notifier, node); +} + +void notifier_remove(Notifier *notifier) +{ + QLIST_REMOVE(notifier, node); +} + +void notifier_list_notify(NotifierList *list, void *data) +{ + Notifier *notifier, *next; + + QLIST_FOREACH_SAFE(notifier, &list->notifiers, node, next) { + notifier->notify(notifier, data); + } +} + +void notifier_with_return_list_init(NotifierWithReturnList *list) +{ + QLIST_INIT(&list->notifiers); +} + +void notifier_with_return_list_add(NotifierWithReturnList *list, + NotifierWithReturn *notifier) +{ + QLIST_INSERT_HEAD(&list->notifiers, notifier, node); +} + +void notifier_with_return_remove(NotifierWithReturn *notifier) +{ + QLIST_REMOVE(notifier, node); +} + +int notifier_with_return_list_notify(NotifierWithReturnList *list, void *data) +{ + NotifierWithReturn *notifier, *next; + int ret = 0; + + QLIST_FOREACH_SAFE(notifier, &list->notifiers, node, next) { + ret = notifier->notify(notifier, data); + if (ret != 0) { + break; + } + } + return ret; +} -- cgit 1.2.3-korg