[issue6721] Locks in python standard library should be sanitized on fork

[Nir Aides]

Nir Aides <nir at winpdb.org> added the comment:

> I believe that the comp.programming.threads post from 
> David Butenhof linked above explains why adding atfork() 
> handlers isn't going to solve this.

In Python atfork() handlers will never run from signal handlers, and if I understood correctly, Charles-François described a way to "re-initialize" a Python lock safely under that assumption.

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<http://bugs.python.org/issue6721>
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