Background Tasks: The One Actor in the Codebase and the SIGTERM Bug That Only Broke on Linux

📰 Dev.to · Ivan Magda

Learn how to handle background tasks and SIGTERM bugs in your codebase, and understand the differences in signal handling between macOS and Linux.

intermediate Published 20 Apr 2026

Action Steps

Use Swift actors for parallel execution
Implement notification injection before each API call
Handle SIGTERM signals differently on macOS and Linux
Test and debug your code thoroughly to identify platform-specific bugs
Use CI runs to diagnose and fix issues

Who Needs to Know This

This article is relevant to software engineers and developers who work with parallel execution, notification injection, and signal handling in their codebase. It provides valuable insights into debugging and troubleshooting techniques.

Key Insight

💡 Signal handling differs between macOS and Linux, and thorough testing and debugging are crucial to identify platform-specific bugs.