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[no status change, this issue currently does NOT need any attention]
To keep issues separate, I just wanted to document a comment about this issue mentioned in issue29070. It refers to the _copy loop.
 if STDIN_FILENO in rfds:
 data = stdin_read(STDIN_FILENO)
 if not data:
 fds.remove(STDIN_FILENO)
+ # Proposal for future behavior change: Signal EOF to
+ # slave if STDIN of master is gone. Solves issue29054.
+ # os.write(master_fd, b'\x04')
 else:
 _writen(master_fd, data)
> vadmium 2017年01月04日 21:50:26
> I suggest leaving this for the other [issue29054, i.e. this] bug. Another option may be to send SIGHUP
> (though I am far from an expert on Unix terminals :).
http://bugs.python.org/review/29070/diff/19626/Lib/pty.py