Backport a fix for a common Wayland crash
https://bugzilla.redhat.com/show_bug.cgi?id=1266486
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Kalev Lember
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101
0001-wayland-surface-disconnect-signals-on-destroy.patch
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101
0001-wayland-surface-disconnect-signals-on-destroy.patch
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@ -0,0 +1,101 @@
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From a4f763ac3b0530fd602eb30396abe7147cc4c741 Mon Sep 17 00:00:00 2001
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From: Giovanni Campagna <gcampagna@src.gnome.org>
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Date: Tue, 13 Oct 2015 21:33:15 -0700
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Subject: [PATCH] wayland-surface: disconnect signals on destroy
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Otherwise signal handlers will be called on garbage
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https://bugzilla.gnome.org/show_bug.cgi?id=756548
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---
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src/wayland/meta-wayland-surface.c | 33 ++++++++++++++++++++++-----------
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src/wayland/meta-wayland-surface.h | 2 +-
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2 files changed, 23 insertions(+), 12 deletions(-)
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diff --git a/src/wayland/meta-wayland-surface.c b/src/wayland/meta-wayland-surface.c
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index 9d15401..f8f6ffc 100644
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--- a/src/wayland/meta-wayland-surface.c
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+++ b/src/wayland/meta-wayland-surface.c
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@@ -933,22 +933,26 @@ set_surface_is_on_output (MetaWaylandSurface *surface,
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MetaWaylandOutput *wayland_output,
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gboolean is_on_output)
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{
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- gboolean was_on_output = g_hash_table_contains (surface->outputs,
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- wayland_output);
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+ gpointer orig_id;
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+ gboolean was_on_output = g_hash_table_lookup_extended (surface->outputs_to_destroy_notify_id,
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+ wayland_output,
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+ NULL, &orig_id);
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if (!was_on_output && is_on_output)
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{
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- g_signal_connect (wayland_output, "output-destroyed",
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- G_CALLBACK (surface_handle_output_destroy),
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- surface);
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- g_hash_table_add (surface->outputs, wayland_output);
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+ gulong id;
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+
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+ id = g_signal_connect (wayland_output, "output-destroyed",
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+ G_CALLBACK (surface_handle_output_destroy),
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+ surface);
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+ g_hash_table_insert (surface->outputs_to_destroy_notify_id, wayland_output,
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+ GSIZE_TO_POINTER ((gsize)id));
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surface_entered_output (surface, wayland_output);
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}
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else if (was_on_output && !is_on_output)
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{
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- g_hash_table_remove (surface->outputs, wayland_output);
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- g_signal_handlers_disconnect_by_func (
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- wayland_output, (gpointer)surface_handle_output_destroy, surface);
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+ g_hash_table_remove (surface->outputs_to_destroy_notify_id, wayland_output);
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+ g_signal_handler_disconnect (wayland_output, (gulong) GPOINTER_TO_SIZE (orig_id));
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surface_left_output (surface, wayland_output);
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}
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}
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@@ -986,6 +990,12 @@ update_surface_output_state (gpointer key, gpointer value, gpointer user_data)
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set_surface_is_on_output (surface, wayland_output, is_on_output);
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}
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+static void
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+surface_output_disconnect_signal (gpointer key, gpointer value, gpointer user_data)
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+{
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+ g_signal_handler_disconnect (key, (gulong) GPOINTER_TO_SIZE (value));
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+}
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+
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void
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meta_wayland_surface_update_outputs (MetaWaylandSurface *surface)
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{
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@@ -1036,7 +1046,8 @@ wl_surface_destructor (struct wl_resource *resource)
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meta_wayland_compositor_destroy_frame_callbacks (compositor, surface);
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- g_hash_table_unref (surface->outputs);
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+ g_hash_table_foreach (surface->outputs_to_destroy_notify_id, surface_output_disconnect_signal, surface);
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+ g_hash_table_unref (surface->outputs_to_destroy_notify_id);
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wl_list_for_each_safe (cb, next, &surface->pending_frame_callback_list, link)
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wl_resource_destroy (cb->resource);
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@@ -1081,7 +1092,7 @@ meta_wayland_surface_create (MetaWaylandCompositor *compositor,
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sync_drag_dest_funcs (surface);
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- surface->outputs = g_hash_table_new (NULL, NULL);
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+ surface->outputs_to_destroy_notify_id = g_hash_table_new (NULL, NULL);
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pending_state_init (&surface->pending);
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return surface;
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diff --git a/src/wayland/meta-wayland-surface.h b/src/wayland/meta-wayland-surface.h
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index c0ce8fd..94ba100 100644
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--- a/src/wayland/meta-wayland-surface.h
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+++ b/src/wayland/meta-wayland-surface.h
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@@ -147,7 +147,7 @@ struct _MetaWaylandSurface
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int scale;
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int32_t offset_x, offset_y;
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GList *subsurfaces;
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- GHashTable *outputs;
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+ GHashTable *outputs_to_destroy_notify_id;
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/* List of pending frame callbacks that needs to stay queued longer than one
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* commit sequence, such as when it has not yet been assigned a role.
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--
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2.5.0
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@ -3,7 +3,7 @@
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Name: mutter
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Version: 3.18.1
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Release: 2%{?dist}
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Release: 3%{?dist}
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Summary: Window and compositing manager based on Clutter
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Group: User Interface/Desktops
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@ -14,6 +14,8 @@ Source0: http://download.gnome.org/sources/%{name}/3.18/%{name}-%{version}
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# https://bugzilla.redhat.com/show_bug.cgi?id=1200901
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Patch0: 0001-Force-cursor-update-after-applying-configuration.patch
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# Backported from upstream
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Patch1: 0001-wayland-surface-disconnect-signals-on-destroy.patch
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BuildRequires: clutter-devel >= %{clutter_version}
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BuildRequires: pango-devel
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@ -98,6 +100,7 @@ the functionality of the installed %{name} package.
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%prep
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%setup -q
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%patch0 -p1 -b .fix-cursor
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%patch1 -p1
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%build
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autoreconf -f -i
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@ -168,6 +171,9 @@ glib-compile-schemas %{_datadir}/glib-2.0/schemas &> /dev/null || :
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%{_datadir}/mutter/tests
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%changelog
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* Wed Oct 21 2015 Kalev Lember <klember@redhat.com> - 3.18.1-3
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- Backport a fix for a common Wayland crash (#1266486)
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* Thu Oct 15 2015 Kalev Lember <klember@redhat.com> - 3.18.1-2
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- Bump gnome-shell conflicts version
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