[evolution-ews] Bug 760319 - [EEwsNotification] Abort session on idle, to avoid deadlock

[Milan Crha <mcrha src gnome org>]

commit d223480057abeff98e71950bb7e445d510764ed2
Author: Milan Crha <mcrha redhat com>
Date:   Tue Feb 23 15:24:06 2016 +0100

    Bug 760319 - [EEwsNotification] Abort session on idle, to avoid deadlock

 src/server/e-ews-notification.c |   28 ++++++++++++++++++++++++----
 1 files changed, 24 insertions(+), 4 deletions(-)
---
diff --git a/src/server/e-ews-notification.c b/src/server/e-ews-notification.c
index b244df4..2b404bf 100644
--- a/src/server/e-ews-notification.c
+++ b/src/server/e-ews-notification.c
@@ -643,6 +643,26 @@ ews_notification_fire_events_from_response (EEwsNotification *notification,
        return TRUE;
 }
 
+static gboolean
+ews_abort_session_idle_cb (gpointer user_data)
+{
+       SoupSession *session = user_data;
+
+       g_return_val_if_fail (SOUP_IS_SESSION (session), FALSE);
+
+       soup_session_abort (session);
+
+       return FALSE;
+}
+
+static void
+ews_notification_schedule_abort (SoupSession *session)
+{
+       g_return_if_fail (SOUP_IS_SESSION (session));
+
+       g_idle_add_full (G_PRIORITY_HIGH_IDLE, ews_abort_session_idle_cb, g_object_ref (session), 
g_object_unref);
+}
+
 static void
 ews_notification_soup_got_chunk (SoupMessage *msg,
                                 SoupBuffer *chunk,
@@ -702,7 +722,7 @@ ews_notification_soup_got_chunk (SoupMessage *msg,
                }
 
                if (!ews_notification_fire_events_from_response (notification, response)) {
-                       soup_session_abort (notification->priv->soup_session);
+                       ews_notification_schedule_abort (notification->priv->soup_session);
 
                        g_object_unref (response);
                        break;
@@ -721,8 +741,8 @@ ews_notification_soup_got_chunk (SoupMessage *msg,
                        keep_parsing = FALSE;
 
                        if (cancelled) {
-                               /* Abort any pending operations */
-                               soup_session_abort (notification->priv->soup_session);
+                               /* Abort any pending operations, but not here, rather in another thread */
+                               ews_notification_schedule_abort (notification->priv->soup_session);
                        }
                }
        } while (keep_parsing);
@@ -792,7 +812,7 @@ static void
 ews_notification_cancelled_cb (GCancellable *cancellable,
                               SoupSession *session)
 {
-       soup_session_abort (session);
+       ews_notification_schedule_abort (session);
 }
 
 static gpointer