Jonas Dreßler b97a6e62a3 window: Add a note about the trustworthiness of the client PID
Since PIDs are inherently insecure because they are reused after a
certain amount of processes was started, it's possible the client PID
was spoofed by the client.

So make sure users of the meta_window_get_pid() API are aware of those
issues and add a note to the documentation that the PID can not be
totally trusted.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1180
2020-05-21 23:10:23 +00:00
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