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renderer/native: Steal the power save flip list before iterating over it

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Because a single iteration might also grow the list again.

(cherry picked from commit d3e50cc023acc440cb483604cc82b04778703f52)
Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1441>
Signed-off-by: Mingi Sung <sungmg@saltyming.net>
This commit is contained in:
Daniel van Vugt 2021-11-01 19:35:34 +08:00 • committed by Mingi Sung
parent 2c8aec356a
commit 83f32de4a7
Signed by: sungmg
GPG key ID: 41BAFD6FFD8036C5
1 changed files with 8 additions and 3 deletions
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11
src/backends/native/meta-renderer-native.c
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@ -747,12 +747,17 @@ static gboolean
dummy_power_save_page_flip_cb (gpointer user_data)
{
MetaRendererNative *renderer_native = user_data;
g_autolist (GObject) old_list = NULL;
g_list_foreach (renderer_native->power_save_page_flip_onscreens,
old_list = g_steal_pointer (&renderer_native->power_save_page_flip_onscreens);
g_list_foreach (old_list,
(GFunc) meta_onscreen_native_dummy_power_save_page_flip,
NULL);
g_clear_list (&renderer_native->power_save_page_flip_onscreens,
g_object_unref);
if (renderer_native->power_save_page_flip_onscreens != NULL)
return G_SOURCE_CONTINUE;
renderer_native->power_save_page_flip_source_id = 0;
return G_SOURCE_REMOVE;