[Bug 683470] Unix socket fd leaks and memory leaks when use pipeline

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=683470
  GStreamer | gstreamer (core) | 0.11.x

--- Comment #13 from zhangyanping <zhangyanping210 at yahoo.com.cn> 2012-09-06 10:08:59 UTC ---
(In reply to comment #11)
> (In reply to comment #9)
> > Acossing to my debuging, I think the source is removed.   
> > 
> > The leaked fd is created by socketpair. It belongs to the pipeline element, not
> > belongs to src
> 
> The socketpair is from the bus object, which is not freed because the source
> has a ref to it and is not freed.


The only way to close the socket is when bus is destroyed. When the bus
destroyed, it call gst_poll_free. In gst_poll_free, it will close the socket.

static void
gst_bus_dispose (GObject * object)
{
  GstBus *bus = GST_BUS (object);

  if (bus->priv->queue) {
    GstMessage *message;

    g_mutex_lock (&bus->priv->queue_lock);
    do {
      message = gst_atomic_queue_pop (bus->priv->queue);
      if (message)
        gst_message_unref (message);
    } while (message != NULL);
    gst_atomic_queue_unref (bus->priv->queue);
    bus->priv->queue = NULL;
    g_mutex_unlock (&bus->priv->queue_lock);
    g_mutex_clear (&bus->priv->queue_lock);

    if (bus->priv->poll)
      gst_poll_free (bus->priv->poll);
    bus->priv->poll = NULL;
  }

  G_OBJECT_CLASS (parent_class)->dispose (object);
}

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