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9bd2f30d0a
`PTY.spawn` with a block detaches the spawned process and leaves it running in background even after exiting the given block. It is the responsibility of the caller to clean up the yielded IOs and PID. https://github.com/ruby/ruby/actions/runs/11148759246/job/30986064044#step:13:950 ``` Leaked file descriptor: Reline::Test#test_tty_amibuous_width: 9 : #<File:/dev/pts/0> Leaked file descriptor: Reline::Test#test_tty_amibuous_width: 10 : #<File:/dev/pts/0> Leaked file descriptor: Reline::Test#test_tty_amibuous_width: 11 : #<File:/dev/pts/1> Leaked file descriptor: Reline::Test#test_tty_amibuous_width: 12 : #<File:/dev/pts/1> Leaked file descriptor: Reline::Test#test_tty_amibuous_width: 13 : #<File:/dev/pts/2> Leaked file descriptor: Reline::Test#test_tty_amibuous_width: 14 : #<File:/dev/pts/2> ``` https://github.com/ruby/reline/commit/f9f90da9e4