There's also an option to execute shell commands from xboxdrv, making the process query and exit/kill-signal possible from a single controller mapping that could then be used universally throughout RetroPie. Although I haven't tested this yet myself, mapping a shell script to the 'select+start' combination that would accomplish this should look something like:
--ui-buttonmap back+start=exec:/path/to/script.shContributions to the project are always appreciated, so if you would like to support us with a donation you can do so here.
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