From: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Date: Sun, 9 Feb 2020 03:20:53 +0000 (+0900)
Subject: timer: user_instance: add class virtual method to handle disconnection of the attache... 
X-Git-Tag: v0.1.0~325
X-Git-Url: https://git.alsa-project.org/?a=commitdiff_plain;h=2a16d067919d1b36ba6fc04a488c3bffa931943f;p=alsa-gobject.git

timer: user_instance: add class virtual method to handle disconnection of the attached timer device

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
---

diff --git a/src/timer/user-instance.c b/src/timer/user-instance.c
index 8e6e845..6a0da62 100644
--- a/src/timer/user-instance.c
+++ b/src/timer/user-instance.c
@@ -79,7 +79,7 @@ static void alsatimer_user_instance_class_init(ALSATimerUserInstanceClass *klass
         g_signal_new("handle-disconnection",
                      G_OBJECT_CLASS_TYPE(klass),
                      G_SIGNAL_RUN_LAST,
-                     0,
+                     G_STRUCT_OFFSET(ALSATimerUserInstanceClass, handle_disconnection),
                      NULL, NULL,
                      g_cclosure_marshal_VOID__VOID,
                      G_TYPE_NONE, 0, G_TYPE_NONE, 0);
diff --git a/src/timer/user-instance.h b/src/timer/user-instance.h
index 5d83933..c271084 100644
--- a/src/timer/user-instance.h
+++ b/src/timer/user-instance.h
@@ -57,6 +57,17 @@ struct _ALSATimerUserInstanceClass {
      */
     void (*handle_event)(ALSATimerUserInstance *self,
                          const ALSATimerEventData *event_data);
+
+    /**
+     * ALSATimerUserInstanceClass::handle_disconnection:
+     * @self: A #ALSATimerUserInstance.
+     *
+     * When the attached timer device is not available anymore due to unbinding
+     * driver or hot unplugging, this signal is emit. The owner of this object
+     * should call g_object_free() as quickly as possible to release ALSA timer
+     * character device.
+     */
+    void (*handle_disconnection)(ALSATimerUserInstance *self);
 };
 
 GType alsatimer_user_instance_get_type() G_GNUC_CONST;
diff --git a/tests/alsatimer-user-instance b/tests/alsatimer-user-instance
index f74fa21..83df59d 100644
--- a/tests/alsatimer-user-instance
+++ b/tests/alsatimer-user-instance
@@ -21,6 +21,7 @@ methods = (
     'get_status',
     'create_source',
     'do_handle_event',
+    'do_handle_disconnection',
 )
 signals = (
     'handle-event',