borrow mut panic

[ruslanti]

No description provided.

[Copilot]

Pull request overview

This pull request addresses potential panic issues in the nginx_module by replacing borrow_mut() calls with try_borrow_mut() throughout the unix_socket implementation. This defensive programming approach prevents runtime panics when RefCell borrows fail due to re-entrant calls or concurrent access patterns in the nginx event loop.

Changes:

• Introduced log_borrow_mut_error helper function to standardize error logging for borrow failures
• Replaced all borrow_mut() calls with try_borrow_mut() in critical paths (connect, disconnected, stop, write, on_read, on_reconnect_timeout)
• Version bumped from 0.1.5 to 0.1.6

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
nginx_module/src/unix_socket.rs	Systematic conversion of borrow_mut() to try_borrow_mut() with error handling; added log_borrow_mut_error helper function for consistent error logging across all borrow failure cases
nginx_module/Cargo.toml	Version bump from 0.1.5 to 0.1.6 to reflect the bug fix

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