2010-11-24 Gedare Bloom <giddyup44@yahoo.com>

	PR 1647/cpukit
	* posix/src/nanosleep.c, posix/src/sched_yield.c,
	rtems/src/taskwakeafter.c, sapi/include/confdefs.h,
	sapi/include/rtems/config.h, sapi/src/exinit.c, score/Makefile.am,
	score/preinstall.am, score/include/rtems/score/prioritybitmap.h,
	score/include/rtems/score/thread.h,
	score/inline/rtems/score/thread.inl, score/src/thread.c,
	score/src/threadchangepriority.c, score/src/threadclearstate.c,
	score/src/threadclose.c, score/src/threadinitialize.c,
	score/src/threadready.c, score/src/threadresume.c,
	score/src/threadsetpriority.c, score/src/threadsetstate.c,
	score/src/threadsettransient.c,	score/src/threadsuspend.c,
	score/src/threadtickletimeslice.c: Refactor scheduler out of thread
	handler to facilitate alternate scheduler implementations.
	* score/src/threadyieldprocessor.c: Removed.
	* score/src/schedulerprioritythreadschedulerupdate.c,
	score/src/schedulerprioritythreadschedulerfree.c,
	score/src/schedulerpriorityblock.c, score/src/scheduler.c,
	score/src/schedulerprioritythreadschedulerallocate.c,
	score/src/schedulerpriorityunblock.c,
	score/src/schedulerpriority.c, score/src/schedulerpriorityyield.c,
	score/include/rtems/score/schedulerpriority.h,
	score/include/rtems/score/scheduler.h,
	score/inline/rtems/score/scheduler.inl,
	score/inline/rtems/score/schedulerpriority.inl: New files.

1 files changed, 2 insertions, 25 deletions

diff --git a/cpukit/score/src/threadclearstate.c b/cpukit/score/src/threadclearstate.c
index c5ab03497a..c3a9083197 100644
--- a/cpukit/score/src/threadclearstate.c
+++ b/cpukit/score/src/threadclearstate.c
@@ -23,6 +23,7 @@
 #include <rtems/score/isr.h>
 #include <rtems/score/object.h>
 #include <rtems/score/priority.h>
+#include <rtems/score/scheduler.h>
 #include <rtems/score/states.h>
 #include <rtems/score/sysstate.h>
 #include <rtems/score/thread.h>
@@ -66,31 +67,7 @@ void _Thread_Clear_state(
       the_thread->current_state = _States_Clear( state, current_state );
 
       if ( _States_Is_ready( current_state ) ) {
-
-        _Priority_bit_map_Add( &the_thread->Priority_map );
-
-        _Chain_Append_unprotected(the_thread->ready, &the_thread->Object.Node);
-
-        _ISR_Flash( level );
-
-        /*
-         *  If the thread that was unblocked is more important than the heir,
-         *  then we have a new heir.  This may or may not result in a
-         *  context switch.
-         *
-         *  Normal case:
-         *    If the current thread is preemptible, then we need to do
-         *    a context switch.
-         *  Pseudo-ISR case:
-         *    Even if the thread isn't preemptible, if the new heir is
-         *    a pseudo-ISR system task, we need to do a context switch.
-         */
-        if ( the_thread->current_priority < _Thread_Heir->current_priority ) {
-          _Thread_Heir = the_thread;
-          if ( _Thread_Executing->is_preemptible ||
-               the_thread->current_priority == 0 )
-            _Thread_Dispatch_necessary = true;
-        }
+        _Scheduler_Unblock( &_Scheduler, the_thread);
       }
   }
   _ISR_Enable( level );