* host scheduler improvements, primarily for cygwin

* host scheduler improvements, primarily for cygwin

[component]
2002-03-04  Frank Ch. Eigler  <fche@redhat.com>

        * configure.in: Look for more time-related headers & libraries.
        * configure, config.in: Regenerated.

[component/sched]
2002-03-04  Frank Ch. Eigler  <fche@redhat.com>

        * compSched.cxx (host_time_keeper_base ctor): On Cygwin, call
        timeBeginPeriod to shrink scheduling granularity.  Keep more
        statistics.  Initialize more variables.
        (yield): Rewrite.
        (operator <<): Print extra stats.