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From bcf04c4b6ae1543fd3f0d11b8c0f7907c1a0e14a Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Marco=20Trevisan=20=28Trevi=C3=B1o=29?= <mail@3v1n0.net>
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Date: Fri, 1 Jun 2018 17:16:35 +0200
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Subject: [PATCH 06/15] libgdm: Don't double-ref the connection got from task
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Both if we re-use the shared connection in `gdm_client_get_connection` and if
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we create a new one in `on_connected`, we steal the pointer here by using
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`g_task_propagate_pointer` and thus we don't have to add an additional
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reference to this connection when returning, or it won't ever be consumed by
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function customers.
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---
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libgdm/gdm-client.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/libgdm/gdm-client.c b/libgdm/gdm-client.c
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index fa4ba8426..36292148c 100644
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--- a/libgdm/gdm-client.c
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+++ b/libgdm/gdm-client.c
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@@ -509,76 +509,76 @@ on_got_manager_for_opening_connection (GdmClient *client,
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GAsyncResult *result,
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GTask *task)
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{
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GCancellable *cancellable;
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GdmManager *manager;
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GError *error;
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error = NULL;
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manager = g_task_propagate_pointer (G_TASK (result), &error);
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if (manager == NULL) {
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g_task_return_error (task, error);
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g_object_unref (task);
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return;
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}
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cancellable = g_task_get_cancellable (task);
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gdm_manager_call_open_session (manager,
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cancellable,
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(GAsyncReadyCallback)
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on_session_opened,
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task);
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g_object_unref (manager);
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}
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static GDBusConnection *
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gdm_client_get_connection_finish (GdmClient *client,
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GAsyncResult *result,
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GError **error)
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{
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- GDBusConnection *connection = NULL;
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+ GDBusConnection *connection;
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g_return_val_if_fail (GDM_IS_CLIENT (client), FALSE);
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connection = g_task_propagate_pointer (G_TASK (result), error);
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if (connection == NULL) {
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return NULL;
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}
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if (client->priv->connection == NULL) {
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client->priv->connection = connection;
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g_object_add_weak_pointer (G_OBJECT (client->priv->connection),
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(gpointer *) &client->priv->connection);
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}
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- return g_object_ref (connection);
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+ return connection;
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}
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static void
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gdm_client_get_connection (GdmClient *client,
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GCancellable *cancellable,
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GAsyncReadyCallback callback,
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gpointer user_data)
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{
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GTask *task;
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g_return_if_fail (GDM_IS_CLIENT (client));
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task = g_task_new (G_OBJECT (client),
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cancellable,
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callback,
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user_data);
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if (client->priv->connection != NULL) {
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g_task_return_pointer (task,
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g_object_ref (client->priv->connection),
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(GDestroyNotify) g_object_unref);
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g_object_unref (task);
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return;
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}
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get_manager (client,
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cancellable,
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(GAsyncReadyCallback)
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on_got_manager_for_opening_connection,
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task);
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--
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52125b |
2.25.1
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