Fix HDMI shell job-control (controlling TTY) - #7
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The sandboxed PTY child was setsid()+claiming the slave before SCM_RIGHTS handoff, so host-login's TIOCSCTTY(0) failed and bash printed ioctl / no job control warnings even though the shell worked.
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Summary
faceplate-host-loginforce-steal CTTY (TIOCSCTTYwith steal) so/bin/login+ bash get a real session.cannot set terminal process group/no job control in this shellmessages on Dataplicity OS HDMI login.Test plan
test_host_sessionttyshows a pts