<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Nicholas,<div><br></div><div><div><div>On Jul 30, 2009, at 2:20 PM, Nicolas Geoffray wrote:</div><blockquote type="cite">Is it OK to apply this patch? It provides hooks for llvm users (especially VM implementors) to control when a thread blocks on a mutex. It is very useful if the VM wants to know the state of each thread it is running.<br></blockquote></div><br></div><div>I'm unclear on how this will be useful without knowing <i>what</i> is being locked on? Also, do you need a version for recursive mutexes as well?</div><div><br></div><div>--Owen</div></body></html>