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gtkmain: short-circuit gtk_main_sync() where no display

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If there is no display, we will hit the slow path here which
can introduce long latencies in unit tests. This checks for
a NULL list of displays and simply short-circuits.
This commit is contained in:
Christian Hergert 2020-01-10 15:00:10 -08:00
parent f0cbd175cd
commit 4a7f68e79e
1 changed files with 3 additions and 0 deletions
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3
gtk/gtkmain.c
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@ -1081,6 +1081,9 @@ gtk_main_sync (void)
/* Try storing all clipboard data we have */
displays = gdk_display_manager_list_displays (gdk_display_manager_get ());
if (displays == NULL)
return;
cancel = g_cancellable_new ();
for (l = displays; l; l = l->next)