[Boost-users] [Boost][Signals]Can a threadpool implementation be done using signals??

I had a look into boost Signals and I just want to know whether a threadpool implementation can be done using signals(as they are thread safe).? However will this be efficient in terms of performance when I do the threadpool implementation using a thread safe queue(guarded by mutexes) where in tasks are queued into the queue and worker threads in the threadpool pick out tasks and execute them.. Regards, Sankar