[Bug 1213196] Re: -serial tcp should hang up when DTR goes low

[Darrin M. Gorski]

Sent in a patch for this.

https://lists.gnu.org/archive/html/qemu-devel/2020-12/msg04658.html

DTR controls the socket.

DCD reflects the state of the socket.

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https://bugs.launchpad.net/bugs/1213196

Title:
  -serial tcp should hang up when DTR goes low

Status in QEMU:
  New

Bug description:
  In keeping with the spirit of serial modem control signals, de-
  asserting DTR should cause the TCP connection to break; asserting DTR
  should cause QEMU to initiate a new connection or for it to accept
  another (in server mode; this may involve waiting for one to arrive,
  too).

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