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-rw-r--r--util/notify.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/util/notify.c b/util/notify.c
index 7b7692acb2..f215dfc214 100644
--- a/util/notify.c
+++ b/util/notify.c
@@ -39,3 +39,33 @@ void notifier_list_notify(NotifierList *list, void *data)
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;
+}