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Gracefully handle host function errors in guest C-API #974

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Gracefully handle host function errors in guest C-API#974
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lifecycle/confirmedBug is verified or proposal seems reasonable
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@ludfjig
ludfjig
opened on Oct 23, 2025

If a C guest calls a host function which returns an error, the rust c-api will panic. This is not great

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  1. github-actions
    added
    lifecycle/needs-reviewThe issue has not yet been reviewed.
    on Oct 23, 2025
  2. jsturtevant
    added
    lifecycle/confirmedBug is verified or proposal seems reasonable
    and removed
    lifecycle/needs-reviewThe issue has not yet been reviewed.
    on Nov 5, 2025

  3. jsturtevant commented on Nov 5, 2025

    @jsturtevant
    jsturtevant
    on Nov 5, 2025
    Contributor

    related to #998, should we have these fatal non return errors at all?

  4. ludfjig
    added this to the v0.13.0 milestone on Nov 19, 2025
  5. jsturtevant
    modified the milestones: v0.13.0, Backlog on Feb 18, 2026
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