PAC — 2 Technical Articles

Jul 16, 2025 · Mobile Development

Why iOS 18 Crashes When exit() Is Called and How to Fix It

This article analyzes a driver‑side iOS 18 crash triggered by BackBoardServices calling exit, explains the underlying XPC and C++ destructor chain, explores failed hook and compiler‑flag workarounds, and presents a reliable atexit‑based solution that eliminates the crash on iOS 18 and later.

C++Crash AnalysisHooking

0 likes · 15 min read

Why iOS 18 Crashes When exit() Is Called and How to Fix It

大转转FE

Jul 8, 2025 · Operations

Mastering Proxy Auto-Config (PAC): Seamlessly Manage Multiple Proxies for Development

This guide explains how to use Proxy Auto‑Config (PAC) files to intelligently route traffic through different proxy tools like ClashX, Whistle, and SwitchyOmega, covering the underlying JavaScript function, configuration examples, and a Node.js server for hot‑reloading the PAC file.

AutomationNetwork ConfigurationNode.js

0 likes · 11 min read

Mastering Proxy Auto-Config (PAC): Seamlessly Manage Multiple Proxies for Development

Why iOS 18 Crashes When exit() Is Called and How to Fix It

Mastering Proxy Auto-Config (PAC): Seamlessly Manage Multiple Proxies for Development

Why iOS 18 Crashes When exit() Is Called and How to Fix It