prefork ....... Multi Process Model with Preforking (Apache 1.3)
dexter ........ Multi Process Model with Threading via Pthreads
Constant number of processes, variable number of threads
+ perchild ...... Same as dexter, but each child process can have a different
+ uid/gid. If no special uid/gid is specified, this is
+ dexter.
mpmt_pthread .. Multi Process Model with Threading via Pthreads
Variable number of processes, constant number of
threads/child (= Apache/pthread)