[boost] Status of thread safe signals?

What is the status of the thread safe signals library in sandbox/thread_safe_signals? Will it go in the main boost library at some point? Thanks Jim P Consider the environment. Please don't print this email. ________________________________________________________________________ This e-mail, and any attachment, is confidential. If you have received it in error, do not use or disclose the information in any way, notify me immediately, and please delete it from your system. ________________________________________________________________________