[gnome-software] Don't show a warning when one thread removes another threads timer

[Richard Hughes <rhughes src gnome org>]

commit 6ddc23066b4c2b31026c61030e04a8100ea37217
Author: Richard Hughes <richard hughsie com>
Date:   Fri May 27 13:49:19 2016 +0100

    Don't show a warning when one thread removes another threads timer

 src/gs-plugin.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/src/gs-plugin.c b/src/gs-plugin.c
index d61a685..26dc443 100644
--- a/src/gs-plugin.c
+++ b/src/gs-plugin.c
@@ -69,6 +69,7 @@ typedef struct
        gint                     scale;
        guint                    priority;
        guint                    timer_id;
+       GMutex                   timer_mutex;
 } GsPluginPrivate;
 
 G_DEFINE_TYPE_WITH_PRIVATE (GsPlugin, gs_plugin, G_TYPE_OBJECT)
@@ -186,6 +187,7 @@ gs_plugin_finalize (GObject *object)
        g_object_unref (priv->soup_session);
        g_hash_table_unref (priv->cache);
        g_mutex_clear (&priv->cache_mutex);
+       g_mutex_clear (&priv->timer_mutex);
        g_module_close (priv->module);
 }
 
@@ -259,6 +261,7 @@ gs_plugin_action_delay_cb (gpointer user_data)
 {
        GsPlugin *plugin = GS_PLUGIN (user_data);
        GsPluginPrivate *priv = gs_plugin_get_instance_private (plugin);
+       g_autoptr(GMutexLocker) locker = g_mutex_locker_new (&priv->timer_mutex);
 
        g_debug ("plugin no longer recently active: %s", priv->name);
        priv->flags &= ~GS_PLUGIN_FLAGS_RECENT;
@@ -276,6 +279,7 @@ void
 gs_plugin_action_stop (GsPlugin *plugin)
 {
        GsPluginPrivate *priv = gs_plugin_get_instance_private (plugin);
+       g_autoptr(GMutexLocker) locker = g_mutex_locker_new (&priv->timer_mutex);
 
        /* clear plugin as SELF */
        priv->flags &= ~GS_PLUGIN_FLAGS_RUNNING_SELF;
@@ -1054,6 +1058,7 @@ gs_plugin_init (GsPlugin *plugin)
                                             g_free,
                                             (GDestroyNotify) g_object_unref);
        g_mutex_init (&priv->cache_mutex);
+       g_mutex_init (&priv->timer_mutex);
        g_rw_lock_init (&priv->rwlock);
 }