---
title: "Discussion on \"Forking dangerous\" | Hashnode"
description: "Discussion on \"Forking dangerous\". TL;DR\n\nPython 3.14+ now duplicates processes with spawn over fork\n\nspawn duplicates the whole process space\n\nfork clones the process but doesn’t duplicate the thread space\n\n\nThe following deadlocks (on linux, <py3.14)\nimport threading\nimport time\nfro..."
url: "https://hashnode.com/posts/forking-dangerous/68581cc8e4fe09f820258758"
---

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# [Forking dangerous](https://blog.danwald.me/forking-dangerous?utm_source=hashnode&utm_medium=feed)

TL;DR Python 3.14+ now duplicates processes with spawn over fork spawn duplicates the whole process space fork clones the process but doesn’t duplicate the thread space The following deadlocks (on linux, <py3.14) import threading import time fro...

Jun 22, 2025 · 1 min read · blog.danwald.me  
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-   [#fork](https://hashnode.com/tag/fork)
-   [#python](https://hashnode.com/tag/python)
-   [#process](https://hashnode.com/tag/process)
-   [#clone](https://hashnode.com/tag/clone)
-   [#deadlock](https://hashnode.com/tag/deadlock)

## Written by

[Danny Crasto](https://hashnode.com/@danwald)

@danwald · dubai, uae

  
[View profile](https://hashnode.com/@danwald)

backend/cloud engineer | mentor | pythonista

I am developer/code-reviewer/debugger/bug-fixer/architect/teacher/builder from dubai, uae

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