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 9ade63f648bc5408937791728018f9f880484d7d..b618ea4c1c021b6ce193f4e894c17e4c25d5e562 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 37af438b1950c4b02cba95e54eb526a6a18f3253..00fa1e3f724153fe8fe316414eab854e10e115a7 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 c104495537fb457a3f33408e14676a3fa698be33..12282a6745c5daba71d9caa8e0ac293ddb023809 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 54fc57cec193b3a5b7a2412bd64faa8fef965b3d..03cf26c0b62352670598970d7e2a8f385280de87 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 a22f27e9f8862887b747a828fd50be43e2154373..d7f56e55f93716d0056cfc29749d46057962ff56 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 9609d2bee81ea02fe8f62b98095d76f45a7b6d86..d8a521afe25c882c7b14ee9632e74ef4c7d053b8 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)