joyent/node — pull request #2462 by AndreasMadsen (2012-01-04 15:13:00+00:00)
Title: Clean up in Child_process module

**This is not really a patch but an issue**

After have been hacking the `child_process` for quite some time I have found some wired stuff.
I have tried to make sense of it in patch. I think got most of it but I do not understand the magic errno variable there suddenly exist.