/* * Notifier lists * * Copyright IBM, Corp. 2010 * * Authors: * Anthony Liguori <aliguori@us.ibm.com> * * 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/osdep.h" #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; }