* @{
*/
+#ifdef DBUS_ENABLE_VERBOSE_MODE
+static void
+_dbus_connection_trace_ref (DBusConnection *connection,
+ int old_refcount,
+ int new_refcount,
+ const char *why)
+{
+ static int enabled = -1;
+
+ _dbus_trace_ref ("DBusConnection", connection, old_refcount, new_refcount,
+ why, "DBUS_CONNECTION_TRACE", &enabled);
+}
+#else
+#define _dbus_connection_trace_ref(c,o,n,w) \
+ do \
+ {\
+ (void) (o); \
+ (void) (n); \
+ } while (0)
+#endif
+
/**
* Internal struct representing a message filter function
*/
}
#ifdef DBUS_BUILD_TESTS
-/* For now this function isn't used */
-/**
- * Adds a message to the incoming message queue, returning #FALSE
- * if there's insufficient memory to queue the message.
- * Does not take over refcount of the message.
- *
- * @param connection the connection.
- * @param message the message to queue.
- * @returns #TRUE on success.
- */
-dbus_bool_t
-_dbus_connection_queue_received_message (DBusConnection *connection,
- DBusMessage *message)
-{
- DBusList *link;
-
- link = _dbus_list_alloc_link (message);
- if (link == NULL)
- return FALSE;
-
- dbus_message_ref (message);
- _dbus_connection_queue_received_message_link (connection, link);
-
- return TRUE;
-}
-
/**
* Gets the locks so we can examine them
*
dbus_message_get_signature (message),
dbus_message_get_reply_serial (message),
connection,
- connection->n_incoming);}
+ connection->n_incoming);
+
+ _dbus_message_trace_ref (message, -1, -1,
+ "_dbus_conection_queue_received_message_link");
+}
/**
* Adds a link + message to the incoming message queue.
connection->n_incoming += 1;
_dbus_connection_wakeup_mainloop (connection);
-
+
+ _dbus_message_trace_ref (link->data, -1, -1,
+ "_dbus_connection_queue_synthesized_message_link");
+
_dbus_verbose ("Synthesized message %p added to incoming queue %p, %d incoming\n",
link->data, connection, connection->n_incoming);
}
_dbus_transport_ref (transport);
CONNECTION_UNLOCK (connection);
-
+
+ _dbus_connection_trace_ref (connection, 0, 1, "new_for_transport");
return connection;
error:
*/
DBusConnection *
_dbus_connection_ref_unlocked (DBusConnection *connection)
-{
+{
+ dbus_int32_t old_refcount;
+
_dbus_assert (connection != NULL);
_dbus_assert (connection->generation == _dbus_current_generation);
HAVE_LOCK_CHECK (connection);
- _dbus_atomic_inc (&connection->refcount);
+ old_refcount = _dbus_atomic_inc (&connection->refcount);
+ _dbus_connection_trace_ref (connection, old_refcount, old_refcount + 1,
+ "ref_unlocked");
return connection;
}
void
_dbus_connection_unref_unlocked (DBusConnection *connection)
{
- dbus_bool_t last_unref;
+ dbus_int32_t old_refcount;
HAVE_LOCK_CHECK (connection);
-
+
_dbus_assert (connection != NULL);
- last_unref = (_dbus_atomic_dec (&connection->refcount) == 1);
+ old_refcount = _dbus_atomic_dec (&connection->refcount);
+
+ _dbus_connection_trace_ref (connection, old_refcount, old_refcount - 1,
+ "unref_unlocked");
- if (last_unref)
+ if (old_refcount == 1)
_dbus_connection_last_unref (connection);
}
DBusConnection *
dbus_connection_ref (DBusConnection *connection)
{
+ dbus_int32_t old_refcount;
+
_dbus_return_val_if_fail (connection != NULL, NULL);
_dbus_return_val_if_fail (connection->generation == _dbus_current_generation, NULL);
-
- _dbus_atomic_inc (&connection->refcount);
+ old_refcount = _dbus_atomic_inc (&connection->refcount);
+ _dbus_connection_trace_ref (connection, old_refcount, old_refcount + 1,
+ "ref");
return connection;
}
void
dbus_connection_unref (DBusConnection *connection)
{
- dbus_bool_t last_unref;
+ dbus_int32_t old_refcount;
_dbus_return_if_fail (connection != NULL);
_dbus_return_if_fail (connection->generation == _dbus_current_generation);
- last_unref = (_dbus_atomic_dec (&connection->refcount) == 1);
+ old_refcount = _dbus_atomic_dec (&connection->refcount);
- if (last_unref)
+ _dbus_connection_trace_ref (connection, old_refcount, old_refcount - 1,
+ "unref");
+
+ if (old_refcount == 1)
{
#ifndef DBUS_DISABLE_CHECKS
if (_dbus_transport_get_is_connected (connection->transport))
CONNECTION_UNLOCK (connection);
+ _dbus_message_trace_ref (message, -1, -1, "dbus_connection_borrow_message");
+
/* We don't update dispatch status until it's returned or stolen */
return message;
status = _dbus_connection_get_dispatch_status_unlocked (connection);
_dbus_connection_update_dispatch_status_and_unlock (connection, status);
+
+ _dbus_message_trace_ref (message, -1, -1, "dbus_connection_return_message");
}
/**
status = _dbus_connection_get_dispatch_status_unlocked (connection);
_dbus_connection_update_dispatch_status_and_unlock (connection, status);
+ _dbus_message_trace_ref (message, -1, -1,
+ "dbus_connection_steal_borrowed_message");
}
/* See dbus_connection_pop_message, but requires the caller to own
dbus_message_get_signature (link->data),
connection, connection->n_incoming);
+ _dbus_message_trace_ref (link->data, -1, -1,
+ "_dbus_connection_pop_message_link_unlocked");
+
check_disconnected_message_arrived_unlocked (connection, link->data);
return link;
"no member",
dbus_message_get_signature (message_link->data),
connection, connection->n_incoming);
+
+ _dbus_message_trace_ref (message_link->data, -1, -1,
+ "_dbus_connection_putback_message_link_unlocked");
}
/**