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window: Remove pending pings in unmanage

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This makes sure that we see them for Wayland clients as well, and don't
time out and crash when we're accessing an invalid window / surface.

Spotted-by: Rui Matos <tiagomatos@gmail.com>
This commit is contained in:
Jasper St. Pierre 2014-07-08 12:16:11 -04:00
parent 024652bfb4
commit 82dce6758a
3 changed files with 9 additions and 14 deletions
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3
src/core/display-private.h
View file

@ -445,6 +445,9 @@ void meta_display_sanity_check_timestamps (MetaDisplay *display,
gboolean meta_display_timestamp_too_old (MetaDisplay *display, gboolean meta_display_timestamp_too_old (MetaDisplay *display,
guint32 *timestamp); guint32 *timestamp);
void meta_display_remove_pending_pings_for_window (MetaDisplay *display,
MetaWindow *window);
MetaGestureTracker * meta_display_get_gesture_tracker (MetaDisplay *display); MetaGestureTracker * meta_display_get_gesture_tracker (MetaDisplay *display);
#endif #endif

18
src/core/display.c
View file

@ -296,16 +296,9 @@ ping_data_free (MetaPingData *ping_data)
g_free (ping_data); g_free (ping_data);
} }
/** void
* remove_pending_pings_for_window: meta_display_remove_pending_pings_for_window (MetaDisplay *display,
* @display: The display the window appears on MetaWindow *window)
* @xwindow: The X ID of the window whose pings we should remove
*
* Frees every pending ping structure for the given X window on the
* given display. This means that we also destroy the timeouts.
*/
static void
remove_pending_pings_for_window (MetaDisplay *display, Window xwindow)
{ {
GSList *tmp; GSList *tmp;
GSList *dead; GSList *dead;
@ -318,7 +311,7 @@ remove_pending_pings_for_window (MetaDisplay *display, Window xwindow)
{ {
MetaPingData *ping_data = tmp->data; MetaPingData *ping_data = tmp->data;
if (ping_data->window->xwindow == xwindow) if (ping_data->window == window)
dead = g_slist_prepend (dead, ping_data); dead = g_slist_prepend (dead, ping_data);
} }
@ -1613,9 +1606,6 @@ meta_display_unregister_x_window (MetaDisplay *display,
g_return_if_fail (g_hash_table_lookup (display->xids, &xwindow) != NULL); g_return_if_fail (g_hash_table_lookup (display->xids, &xwindow) != NULL);
g_hash_table_remove (display->xids, &xwindow); g_hash_table_remove (display->xids, &xwindow);
/* Remove any pending pings */
remove_pending_pings_for_window (display, xwindow);
} }
void void

2
src/core/window.c
View file

@ -1272,6 +1272,8 @@ meta_window_unmanage (MetaWindow *window,
meta_stack_thaw (window->screen->stack); meta_stack_thaw (window->screen->stack);
} }
meta_display_remove_pending_pings_for_window (window->display, window);
meta_window_shutdown_group (window); /* safe to do this early as meta_window_shutdown_group (window); /* safe to do this early as
* group.c won't re-add to the * group.c won't re-add to the
* group if window->unmanaging * group if window->unmanaging