[erlang-questions] Reliability of open_port's exit_status option

[Holger Weiß]

The documentation on erlang:open_port/2 says: "If the port program
closes its stdout without exiting, the exit_status option will not
work." What exactly does that mean? Is the manual simply telling me
that the status won't be reported before the port process actually
exited (which seems a little too obvious) or is there anything else that
could happen (such as the status not being reported even if the port
process eventually exits)?

Holger

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