// otherwise, addJob() simply returns false when queue is full
ThrPool::ThrPool(size_t sz, bool blocking)
: nthreads_(sz),blockadd_(blocking),jobq_(100*sz) {
// otherwise, addJob() simply returns false when queue is full
ThrPool::ThrPool(size_t sz, bool blocking)
: nthreads_(sz),blockadd_(blocking),jobq_(100*sz) {