notifier: switch to QLIST

Notifiers do not need to access both ends of the list, and using
a QLIST also simplifies the API.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

diff --git a/input.c b/input.c
index 9ade63f..b618ea4 100644 (file)
--- a/input.c
+++ b/input.c
@@ -268,5 +268,5 @@ void qemu_add_mouse_mode_change_notifier(Notifier *notify)
 
 void qemu_remove_mouse_mode_change_notifier(Notifier *notify)
 {
-    notifier_list_remove(&mouse_mode_notifiers, notify);
+    notifier_remove(notify);
 }

diff --git a/migration.c b/migration.c
index 37af438..00fa1e3 100644 (file)
--- a/migration.c
+++ b/migration.c
@@ -335,7 +335,7 @@ void add_migration_state_change_notifier(Notifier *notify)
 
 void remove_migration_state_change_notifier(Notifier *notify)
 {
-    notifier_list_remove(&migration_state_notifiers, notify);
+    notifier_remove(notify);
 }
 
 bool migration_is_active(MigrationState *s)

diff --git a/notify.c b/notify.c
index c104495..12282a6 100644 (file)
--- a/notify.c
+++ b/notify.c
@@ -18,24 +18,24 @@
 
 void notifier_list_init(NotifierList *list)
 {
-    QTAILQ_INIT(&list->notifiers);
+    QLIST_INIT(&list->notifiers);
 }
 
 void notifier_list_add(NotifierList *list, Notifier *notifier)
 {
-    QTAILQ_INSERT_HEAD(&list->notifiers, notifier, node);
+    QLIST_INSERT_HEAD(&list->notifiers, notifier, node);
 }
 
-void notifier_list_remove(NotifierList *list, Notifier *notifier)
+void notifier_remove(Notifier *notifier)
 {
-    QTAILQ_REMOVE(&list->notifiers, notifier, node);
+    QLIST_REMOVE(notifier, node);
 }
 
 void notifier_list_notify(NotifierList *list, void *data)
 {
     Notifier *notifier, *next;
 
-    QTAILQ_FOREACH_SAFE(notifier, &list->notifiers, node, next) {
+    QLIST_FOREACH_SAFE(notifier, &list->notifiers, node, next) {
         notifier->notify(notifier, data);
     }
 }

diff --git a/notify.h b/notify.h
index 54fc57c..03cf26c 100644 (file)
--- a/notify.h
+++ b/notify.h
@@ -21,22 +21,22 @@ typedef struct Notifier Notifier;
 struct Notifier
 {
     void (*notify)(Notifier *notifier, void *data);
-    QTAILQ_ENTRY(Notifier) node;
+    QLIST_ENTRY(Notifier) node;
 };
 
 typedef struct NotifierList
 {
-    QTAILQ_HEAD(, Notifier) notifiers;
+    QLIST_HEAD(, Notifier) notifiers;
 } NotifierList;
 
 #define NOTIFIER_LIST_INITIALIZER(head) \
-    { QTAILQ_HEAD_INITIALIZER((head).notifiers) }
+    { QLIST_HEAD_INITIALIZER((head).notifiers) }
 
 void notifier_list_init(NotifierList *list);
 
 void notifier_list_add(NotifierList *list, Notifier *notifier);
 
-void notifier_list_remove(NotifierList *list, Notifier *notifier);
+void notifier_remove(Notifier *notifier);
 
 void notifier_list_notify(NotifierList *list, void *data);
 

diff --git a/qemu-timer.c b/qemu-timer.c
index a22f27e..d7f56e5 100644 (file)
--- a/qemu-timer.c
+++ b/qemu-timer.c
@@ -453,7 +453,7 @@ void qemu_register_clock_reset_notifier(QEMUClock *clock, Notifier *notifier)
 
 void qemu_unregister_clock_reset_notifier(QEMUClock *clock, Notifier *notifier)
 {
-    notifier_list_remove(&clock->reset_notifiers, notifier);
+    notifier_remove(notifier);
 }
 
 void init_clocks(void)

diff --git a/vl.c b/vl.c
index 9609d2b..d8a521a 100644 (file)
--- a/vl.c
+++ b/vl.c
@@ -2093,7 +2093,7 @@ void qemu_add_exit_notifier(Notifier *notify)
 
 void qemu_remove_exit_notifier(Notifier *notify)
 {
-    notifier_list_remove(&exit_notifiers, notify);
+    notifier_remove(notify);
 }
 
 static void qemu_run_exit_notifiers(void)