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[PR #17905] Fix a cooked read deadlock #31401

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opened 2026-01-31 09:47:03 +00:00 by claunia · 0 comments
claunia commented 2026-01-31 09:47:03 +00:00
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Original Pull Request: https://github.com/microsoft/terminal/pull/17905

State: closed
Merged: Yes

Because _layoutLine would never return column == columnLimit for
control character visualizers, we'd get a deadlock in _redisplay,
as it tries to fill the line until it's full, but never achieve it.

Closes #17893

Validation Steps Performed

  • Press Ctrl-A to insert "^A"
  • Press Home to get to the start of the prompt
  • Press and hold "A" until the line wraps
  • The line wraps and there's no deadlock ✅
**Original Pull Request:** https://github.com/microsoft/terminal/pull/17905 **State:** closed **Merged:** Yes --- Because `_layoutLine` would never return `column == columnLimit` for control character visualizers, we'd get a deadlock in `_redisplay`, as it tries to fill the line until it's full, but never achieve it. Closes #17893 ## Validation Steps Performed * Press Ctrl-A to insert "^A" * Press Home to get to the start of the prompt * Press and hold "A" until the line wraps * The line wraps and there's no deadlock ✅
claunia added the pull-request label 2026-01-31 09:47:03 +00:00
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Reference: starred/terminal#31401
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