[PATCH] D79847: [Support] On Windows, handle interrupt signals without crash message

[Fangrui Song via Phabricator via llvm-commits]

MaskRay added a comment.

> On Linux, the signal handlers are not run on signals such as SIGINT due to CTRL-C.

That is the default behavior on a *NIX platform: on SIGINT, unregister the handler and call `raise(SIGINT)` to let the kernel terminate the process.

If a callback is registered via `llvm::sys::SetInterruptFunction` (used by bugpoint and clangd), that callback will run instead.


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