[rtems commit] score: Add and use _Scheduler_Get_index_by_id()

[Sebastian Huber]

Module:    rtems
Branch:    master
Commit:    c8e832886ab97111af01b9271dfb746a45254b23
Changeset: http://git.rtems.org/rtems/commit/?id=c8e832886ab97111af01b9271dfb746a45254b23

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Wed May 21 10:29:59 2014 +0200

score: Add and use _Scheduler_Get_index_by_id()

---

 cpukit/score/include/rtems/score/schedulerimpl.h |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/cpukit/score/include/rtems/score/schedulerimpl.h b/cpukit/score/include/rtems/score/schedulerimpl.h
index 7c44940..15a4207 100644
--- a/cpukit/score/include/rtems/score/schedulerimpl.h
+++ b/cpukit/score/include/rtems/score/schedulerimpl.h
@@ -596,13 +596,19 @@ RTEMS_INLINE_ROUTINE Objects_Id _Scheduler_Build_id( uint32_t scheduler_index )
   );
 }
 
+RTEMS_INLINE_ROUTINE uint32_t _Scheduler_Get_index_by_id( Objects_Id id )
+{
+  uint32_t minimum_id = _Scheduler_Build_id( 0 );
+
+  return id - minimum_id;
+}
+
 RTEMS_INLINE_ROUTINE bool _Scheduler_Get_by_id(
   Objects_Id                id,
   const Scheduler_Control **scheduler_p
 )
 {
-  uint32_t minimum_id = _Scheduler_Build_id( 0 );
-  uint32_t index = id - minimum_id;
+  uint32_t index = _Scheduler_Get_index_by_id( id );
   const Scheduler_Control *scheduler = &_Scheduler_Table[ index ];
 
   *scheduler_p = scheduler;