joyent/node — pull request #4690 by darrhiggs (2013-01-30 17:42:13+00:00)
Title: change 'ps ax|grep ssh' code from exit to close

stdio streams may be shared with parent process.

Using exit in this example causes:

```bash
events.js:71
throw arguments[1]; // Unhandled 'error' event
^
Error: This socket is closed.
```