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xwayland: Check the condition on displayfd ready

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The callback on_displayfd_ready() would unconditionally set the return
value to TRUE, regardless of the condition.

Use the GIO condition to determine if there was data written and adjust
the return value accordingly.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1851>
This commit is contained in:
Olivier Fourdan 2021-05-04 14:24:03 +02:00 committed by Marge Bot
parent e423653017
commit b03ccfff4d
1 changed files with 1 additions and 1 deletions
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src/wayland/meta-xwayland.c
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@ -898,7 +898,7 @@ on_displayfd_ready (int fd,
* socket when it's ready. We don't care about the data
* in the socket, just that it wrote something, since
* that means it's ready. */
g_task_return_boolean (task, TRUE);
g_task_return_boolean (task, !!(condition & G_IO_IN));
g_object_unref (task);
return G_SOURCE_REMOVE;