qemu/notify.c
Jan Kiszka 9e8dd45164 notifier: Pass data argument to callback
This allows to pass additional information to the notifier callback
which is useful if sender and receiver do not share any other distinct
data structure.

Will be used first for the clock reset notifier.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-07-23 11:26:06 -05:00

39 lines
832 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, void *data)
{
Notifier *notifier, *next;
QTAILQ_FOREACH_SAFE(notifier, &list->notifiers, node, next) {
notifier->notify(notifier, data);
}
}