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feat(ffi): unwind safety: shield FFI entrypoints with panic guard (#546)

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This PR implements widely accepted Rust programming practices for
dealing with panics across ABI (programming language) boundaries.

- Add panic_guard.rs to wrap FFI calls and prevent panic across FFI/ABI boundary (undefined behavior).
- Capture per-thread backtraces via a temporary panic hook
- After a panic, subsequent invocations are poisoned.
- Integrate with_unwind_guard across the engine, schema registry, and target registry exportis

Signed-off-by: Anand Krishnamoorthi <anakrish@microsoft.com>
This commit is contained in:
Anand Krishnamoorthi
2026-01-20 21:50:10 -06:00
committed by GitHub
parent 9426b2ec02
commit 80686d6ed1
21 changed files with 1008 additions and 501 deletions
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4
.github/workflows/test-csharp.yml vendored
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@@ -144,11 +144,11 @@ jobs:
path: ./bindings/csharp/regorus-nuget/
- name: Restore Regorus.Tests
run: dotnet restore /p:RestoreAdditionalProjectSources=../regorus-nuget
run: dotnet restore /p:RestoreAdditionalProjectSources=../regorus-nuget /p:UseLocalRegorus=false
working-directory: ./bindings/csharp/Regorus.Tests
- name: Run Regorus.Tests
run: dotnet test --no-restore
run: dotnet test --no-restore -p:UseLocalRegorus=false
working-directory: ./bindings/csharp/Regorus.Tests
- name: Restore TestApp