mirror of https://gitee.com/openkylin/qemu.git
72 lines
1.6 KiB
C
72 lines
1.6 KiB
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.
|
|
*
|
|
* 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;
|
|
}
|