From: Roger Pack Date: 2009-07-14T10:57:07+09:00 Subject: Re: C ext / threading / callback issue, ruby-1.9.1p129 > There's a watcher thread (in C) that waits for an event (the creation of > a file), then triggers whichever callback is specified. Hmm. MRI isn't "used" to other threads running--are you running 1.8.6 or something else? =r -- Posted via http://www.ruby-forum.com/.