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Add function to get a console file handle from a ConPTY handle. #6489

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opened 2026-01-31 00:40:11 +00:00 by claunia · 0 comments
claunia commented 2026-01-31 00:40:11 +00:00
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Originally created by @grubba on GitHub (Feb 17, 2020).

Description of the new feature/enhancement

Currently the only way to get to the client side of a ConPTY is to spawn off a new process.
Adding a way to get a client side file handle would have uses like:

  • Simplifying testing of pty handling code by not having to have a separate process for the simulated client.
  • Used to inhibit a ConPTY terminating early (ie before all process intended to use it have been started).
  • Used to probe whether a ConPTY is still alive.
  • Use as a second ConPTY for stderr for a subprocess when stdin and stdout are on another ConPTY.

Proposed technical implementation details (optional)

Originally created by @grubba on GitHub (Feb 17, 2020). <!-- 🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨 I ACKNOWLEDGE THE FOLLOWING BEFORE PROCEEDING: 1. If I delete this entire template and go my own path, the core team may close my issue without further explanation or engagement. 2. If I list multiple bugs/concerns in this one issue, the core team may close my issue without further explanation or engagement. 3. If I write an issue that has many duplicates, the core team may close my issue without further explanation or engagement (and without necessarily spending time to find the exact duplicate ID number). 4. If I leave the title incomplete when filing the issue, the core team may close my issue without further explanation or engagement. 5. If I file something completely blank in the body, the core team may close my issue without further explanation or engagement. All good? Then proceed! --> # Description of the new feature/enhancement Currently the only way to get to the client side of a ConPTY is to spawn off a new process. Adding a way to get a client side file handle would have uses like: * Simplifying testing of pty handling code by not having to have a separate process for the simulated client. * Used to inhibit a ConPTY terminating early (ie before all process intended to use it have been started). * Used to probe whether a ConPTY is still alive. * Use as a second ConPTY for stderr for a subprocess when stdin and stdout are on another ConPTY. <!-- A clear and concise description of what the problem is that the new feature would solve. Describe why and how a user would use this new functionality (if applicable). --> # Proposed technical implementation details (optional) <!-- A clear and concise description of what you want to happen. -->
claunia added the Issue-FeatureArea-ServerResolution-Won't-FixProduct-Conpty labels 2026-01-31 00:40:11 +00:00
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Reference: starred/terminal#6489
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