2011-09-01 Petr Benes <benesp16@fel.cvut.cz>

	PR 1895/cpukit
	* rtems/src/ratemoncancel.c, rtems/src/ratemondelete.c,
	rtems/src/ratemonperiod.c, sapi/include/confdefs.h,
	score/Makefile.am, score/include/rtems/score/scheduler.h,
	score/include/rtems/score/schedulerpriority.h,
	score/include/rtems/score/schedulersimple.h,
	score/include/rtems/score/schedulersimplesmp.h,
	score/inline/rtems/score/scheduler.inl,
	score/inline/rtems/score/schedulerpriority.inl,
	score/src/coremutexseize.c: Add priority_compare and release_job
	hooks interfaces to scheduler interface.
	* score/src/schedulerpriorityprioritycompare.c,
	score/src/schedulerpriorityreleasejob.c: New files.

2 files changed, 43 insertions, 0 deletions

diff --git a/cpukit/score/inline/rtems/score/scheduler.inl b/cpukit/score/inline/rtems/score/scheduler.inl
index cc0a79614a..0a60928565 100644
--- a/cpukit/score/inline/rtems/score/scheduler.inl
+++ b/cpukit/score/inline/rtems/score/scheduler.inl
@@ -159,6 +159,32 @@ RTEMS_INLINE_ROUTINE void _Scheduler_Extract(
   _Scheduler.Operations.extract( the_thread );
 }
 
+/**
+ * @brief Scheduler Priority compare
+ *
+ * This routine compares two priorities.
+ */
+RTEMS_INLINE_ROUTINE int _Scheduler_Priority_compare(
+  Priority_Control p1,
+  Priority_Control p2
+)
+{
+  return _Scheduler.Operations.priority_compare(p1, p2);
+}
+
+/**
+ * @brief Scheduler Release job
+ *
+ * This routine is called when a new period of task is issued.
+ */
+RTEMS_INLINE_ROUTINE void _Scheduler_Release_job(
+  Thread_Control *the_thread,
+  uint32_t       length
+)
+{
+  _Scheduler.Operations.release_job(the_thread, length);
+}
+
 /** @brief Scheduler Method Invoked at Each Clock Tick
  *
  * This method is invoked at each clock tick to allow the scheduler
diff --git a/cpukit/score/inline/rtems/score/schedulerpriority.inl b/cpukit/score/inline/rtems/score/schedulerpriority.inl
index ab5f117334..9b418fc7ae 100644
--- a/cpukit/score/inline/rtems/score/schedulerpriority.inl
+++ b/cpukit/score/inline/rtems/score/schedulerpriority.inl
@@ -185,6 +185,23 @@ RTEMS_INLINE_ROUTINE void _Scheduler_priority_Schedule_body(void)
   );
 }
 
+/**
+ *  @brief Scheduler priority Priority compare body
+ *
+ *  This routine implements priority comparison for priority-based
+ *  scheduling.
+ *
+ *  @return >0 for higher priority, 0 for equal and <0 for lower priority.
+ */
+RTEMS_INLINE_ROUTINE int _Scheduler_priority_Priority_compare_body(
+  Priority_Control      p1,
+  Priority_Control      p2
+)
+{
+  /* High priority in priority scheduler is represented by low numbers. */
+  return ( p2 - p1 );
+}
+
 /**@}*/
 
 #endif