notify.c

   1 /*
   2  * Notifier lists
   3  *
   4  * Copyright IBM, Corp. 2010
   5  *
   6  * Authors:
   7  *  Anthony Liguori   <aliguori@us.ibm.com>
   8  *
   9  * This work is licensed under the terms of the GNU GPL, version 2.  See
  10  * the COPYING file in the top-level directory.
  11  *
  12  */
  13
  14 #include "qemu-common.h"
  15 #include "notify.h"
  16
  17 void notifier_list_init(NotifierList *list)
  18 {
  19     QTAILQ_INIT(&list->notifiers);
  20 }
  21
  22 void notifier_list_add(NotifierList *list, Notifier *notifier)
  23 {
  24     QTAILQ_INSERT_HEAD(&list->notifiers, notifier, node);
  25 }
  26
  27 void notifier_list_remove(NotifierList *list, Notifier *notifier)
  28 {
  29     QTAILQ_REMOVE(&list->notifiers, notifier, node);
  30 }
  31
  32 void notifier_list_notify(NotifierList *list, void *data)
  33 {
  34     Notifier *notifier, *next;
  35
  36     QTAILQ_FOREACH_SAFE(notifier, &list->notifiers, node, next) {
  37         notifier->notify(notifier, data);
  38     }
  39 }