Sharing state in LD_PRELOAD shared object

• redhook

  2 168 0.0 Rust

  Dynamic function call interposition / hooking (LD_PRELOAD) for Rust

I am experimenting with LD_PRELOAD symbol interposition by using the [redhook](https://github.com/geofft/redhook) crate. I'm essentially intercepting some socket-related functions where my goal is to extract the byte buffers and process them with protocol decoders. Therefore, I would like to place the decoding logic in a separate structure that might require interior mutability. The problem that I'm currently facing is the inability to share this structure globally and placate the borrow checker. I tried to declare the static reference to a mutex that guards this structure, but it didn't work (the borrow checker was rejecting the code).

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