atfork

If you're looking for a solution to handle the mixing of threads and forking in Python programs, atfork is a great option. This Python library provides a pthread_atfork() work-a-like API for Python 2.4, 2.5, and 2.6.

One of the main issues with mixing threads and forking is the lack of an atfork mechanism in Python, making it difficult to properly acquire and release locks around fork calls. However, atfork solves this issue by providing the missing API. The library also includes monkeypatchers to patch the standard library modules at runtime, ensuring they are safe in programs that use both threading and forking.

Atfork is extensively tested on Python 2.4.3, 2.4.5, 2.4.6, 2.5.2, and 2.6.2, ensuring compatibility with a range of versions. Documentation is available in the atfork and stdlib_fixer module docstrings.

To use atfork, simply add the following lines to your program's imports as early as possible:

```python
import atfork
atfork.monkeypatch_os_fork_functions()
import atfork.stdlib_fixer
atfork.stdlib_fixer.fix_logging_module()
```

Overall, atfork is a valuable tool for anyone dealing with the challenges of mixing threads and forking in Python programs.