mirror of
https://gitlab.com/qemu-project/qemu
synced 2024-09-06 09:55:55 +00:00
![Anthony Liguori](/assets/img/avatar_default.png)
Notifiers are data-less callbacks and a notifier list is a list of registered notifiers that all are interested in a particular event. We'll use this in a few patches to implement mouse change notification. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> --- v1 -> v2 - Do not do memory allocations by placing list nodes in notifier
40 lines
814 B
C
40 lines
814 B
C
/*
|
|
* 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.
|
|
*
|
|
*/
|
|
|
|
#include "qemu-common.h"
|
|
#include "notify.h"
|
|
|
|
void notifier_list_init(NotifierList *list)
|
|
{
|
|
QTAILQ_INIT(&list->notifiers);
|
|
}
|
|
|
|
void notifier_list_add(NotifierList *list, Notifier *notifier)
|
|
{
|
|
QTAILQ_INSERT_HEAD(&list->notifiers, notifier, node);
|
|
}
|
|
|
|
void notifier_list_remove(NotifierList *list, Notifier *notifier)
|
|
{
|
|
QTAILQ_REMOVE(&list->notifiers, notifier, node);
|
|
}
|
|
|
|
void notifier_list_notify(NotifierList *list)
|
|
{
|
|
Notifier *notifier, *next;
|
|
|
|
QTAILQ_FOREACH_SAFE(notifier, &list->notifiers, node, next) {
|
|
notifier->notify(notifier);
|
|
}
|
|
}
|