2010-07-30 Gedare Bloom <giddyup44@yahoo.com>

	PR 1599/cpukit
	* posix/src/psignalunblockthread.c, posix/src/pthreadkill.c,
	rtems/src/signalsend.c, score/include/rtems/score/percpu.h,
	score/inline/rtems/score/thread.inl, score/src/thread.c,
	score/src/threadchangepriority.c, score/src/threadclearstate.c,
	score/src/threaddispatch.c, score/src/threadready.c,
	score/src/threadresume.c, score/src/threadsetstate.c,
	score/src/threadstartmultitasking.c, score/src/threadsuspend.c,
	score/src/threadyieldprocessor.c: Rename _Context_Switch_necessary to
	_Thread_Dispatch_necessary to more properly reflect the intent.

16 files changed, 32 insertions, 19 deletions

diff --git a/cpukit/ChangeLog b/cpukit/ChangeLog
index a060dcd9fd..2a0e14387c 100644
--- a/cpukit/ChangeLog
+++ b/cpukit/ChangeLog
@@ -1,3 +1,16 @@
+2010-07-30	Gedare Bloom <giddyup44@yahoo.com>
+
+	PR 1599/cpukit
+	* posix/src/psignalunblockthread.c, posix/src/pthreadkill.c,
+	rtems/src/signalsend.c, score/include/rtems/score/percpu.h,
+	score/inline/rtems/score/thread.inl, score/src/thread.c,
+	score/src/threadchangepriority.c, score/src/threadclearstate.c,
+	score/src/threaddispatch.c, score/src/threadready.c,
+	score/src/threadresume.c, score/src/threadsetstate.c,
+	score/src/threadstartmultitasking.c, score/src/threadsuspend.c,
+	score/src/threadyieldprocessor.c: Rename _Context_Switch_necessary to
+	_Thread_Dispatch_necessary to more properly reflect the intent.
+
 2010-07-30	Vinu Rajashekhar <vinutheraj@gmail.com>
 
 	* sapi/include/confdefs.h: Add configuration macros for Go
diff --git a/cpukit/posix/src/psignalunblockthread.c b/cpukit/posix/src/psignalunblockthread.c
index 00ac214404..baa55c34c2 100644
--- a/cpukit/posix/src/psignalunblockthread.c
+++ b/cpukit/posix/src/psignalunblockthread.c
@@ -113,7 +113,7 @@ bool _POSIX_signals_Unblock_thread(
 
     } else if ( the_thread->current_state == STATES_READY ) {
       if ( _ISR_Is_in_progress() && _Thread_Is_executing( the_thread ) )
-	_Context_Switch_necessary = true;
+	_Thread_Dispatch_necessary = true;
     }
   }
   return false;
diff --git a/cpukit/posix/src/pthreadkill.c b/cpukit/posix/src/pthreadkill.c
index 6d96067049..44d3146fe6 100644
--- a/cpukit/posix/src/pthreadkill.c
+++ b/cpukit/posix/src/pthreadkill.c
@@ -64,7 +64,7 @@ int pthread_kill(
         (void) _POSIX_signals_Unblock_thread( the_thread, sig, NULL );
 
         if ( _ISR_Is_in_progress() && _Thread_Is_executing( the_thread ) )
-	  _Context_Switch_necessary = true;
+	  _Thread_Dispatch_necessary = true;
       }
       _Thread_Enable_dispatch();
       return 0;
diff --git a/cpukit/rtems/src/signalsend.c b/cpukit/rtems/src/signalsend.c
index f51b168997..031a18979e 100644
--- a/cpukit/rtems/src/signalsend.c
+++ b/cpukit/rtems/src/signalsend.c
@@ -65,7 +65,7 @@ rtems_status_code rtems_signal_send(
           _ASR_Post_signals( signal_set, &asr->signals_posted );
 
           if ( _ISR_Is_in_progress() && _Thread_Is_executing( the_thread ) )
-            _Context_Switch_necessary = true;
+            _Thread_Dispatch_necessary = true;
         } else {
           _ASR_Post_signals( signal_set, &asr->signals_pending );
         }
diff --git a/cpukit/score/include/rtems/score/percpu.h b/cpukit/score/include/rtems/score/percpu.h
index ac92e1f9c7..2778573481 100644
--- a/cpukit/score/include/rtems/score/percpu.h
+++ b/cpukit/score/include/rtems/score/percpu.h
@@ -85,7 +85,7 @@ typedef struct {
   Thread_Control *idle;
 
   /** This is set to true when this CPU needs to run the dispatcher. */
-  volatile bool dispatch_needed;
+  volatile bool dispatch_necessary;
 
 } Per_CPU_Control;
 #endif
@@ -160,7 +160,7 @@ extern Per_CPU_Control _Per_CPU_Information;
 #define _ISR_Nest_level           _Per_CPU_Information.isr_nest_level
 #define _CPU_Interrupt_stack_low  _Per_CPU_Information.interrupt_stack_low
 #define _CPU_Interrupt_stack_high _Per_CPU_Information.interrupt_stack_high
-#define _Context_Switch_necessary _Per_CPU_Information.dispatch_needed
+#define _Thread_Dispatch_necessary _Per_CPU_Information.dispatch_necessary
 
 #endif  /* ASM */
 
diff --git a/cpukit/score/inline/rtems/score/thread.inl b/cpukit/score/inline/rtems/score/thread.inl
index d008989915..d0a9e703f7 100644
--- a/cpukit/score/inline/rtems/score/thread.inl
+++ b/cpukit/score/inline/rtems/score/thread.inl
@@ -258,7 +258,7 @@ RTEMS_INLINE_ROUTINE bool _Thread_Is_dispatching_enabled( void )
 
 RTEMS_INLINE_ROUTINE bool _Thread_Is_context_switch_necessary( void )
 {
-  return ( _Context_Switch_necessary );
+  return ( _Thread_Dispatch_necessary );
 }
 
 /**
@@ -351,7 +351,7 @@ RTEMS_INLINE_ROUTINE bool _Thread_Evaluate_is_dispatch_needed(
 
   if ( are_signals_pending ||
        (!_Thread_Is_heir( executing ) && executing->is_preemptible) ) {
-    _Context_Switch_necessary = true;
+    _Thread_Dispatch_necessary = true;
     return true;
   }
 
diff --git a/cpukit/score/src/thread.c b/cpukit/score/src/thread.c
index e96770acf1..f0891373f6 100644
--- a/cpukit/score/src/thread.c
+++ b/cpukit/score/src/thread.c
@@ -69,7 +69,7 @@ void _Thread_Handler_initialization(void)
       INTERNAL_ERROR_BAD_STACK_HOOK
     );
 
-  _Context_Switch_necessary = false;
+  _Thread_Dispatch_necessary = false;
   _Thread_Executing         = NULL;
   _Thread_Heir              = NULL;
 #if ( CPU_HARDWARE_FP == TRUE ) || ( CPU_SOFTWARE_FP == TRUE )
diff --git a/cpukit/score/src/threadchangepriority.c b/cpukit/score/src/threadchangepriority.c
index 5e14edd575..58f5eb5fd3 100644
--- a/cpukit/score/src/threadchangepriority.c
+++ b/cpukit/score/src/threadchangepriority.c
@@ -137,6 +137,6 @@ void _Thread_Change_priority(
 
   if ( !_Thread_Is_executing_also_the_heir() &&
        _Thread_Executing->is_preemptible )
-    _Context_Switch_necessary = true;
+    _Thread_Dispatch_necessary = true;
   _ISR_Enable( level );
 }
diff --git a/cpukit/score/src/threadclearstate.c b/cpukit/score/src/threadclearstate.c
index 9f89f1a736..c5ab03497a 100644
--- a/cpukit/score/src/threadclearstate.c
+++ b/cpukit/score/src/threadclearstate.c
@@ -89,7 +89,7 @@ void _Thread_Clear_state(
           _Thread_Heir = the_thread;
           if ( _Thread_Executing->is_preemptible ||
                the_thread->current_priority == 0 )
-            _Context_Switch_necessary = true;
+            _Thread_Dispatch_necessary = true;
         }
       }
   }
diff --git a/cpukit/score/src/threaddispatch.c b/cpukit/score/src/threaddispatch.c
index 3d7fe24947..6b745ea281 100644
--- a/cpukit/score/src/threaddispatch.c
+++ b/cpukit/score/src/threaddispatch.c
@@ -89,10 +89,10 @@ void _Thread_Dispatch( void )
 
   executing   = _Thread_Executing;
   _ISR_Disable( level );
-  while ( _Context_Switch_necessary == true ) {
+  while ( _Thread_Dispatch_necessary == true ) {
     heir = _Thread_Heir;
     _Thread_Dispatch_disable_level = 1;
-    _Context_Switch_necessary = false;
+    _Thread_Dispatch_necessary = false;
     _Thread_Executing = heir;
 
     /*
diff --git a/cpukit/score/src/threadready.c b/cpukit/score/src/threadready.c
index ea6f349704..3daa6506bd 100644
--- a/cpukit/score/src/threadready.c
+++ b/cpukit/score/src/threadready.c
@@ -72,7 +72,7 @@ void _Thread_Ready(
   heir = _Thread_Heir;
 
   if ( !_Thread_Is_executing( heir ) && _Thread_Executing->is_preemptible )
-    _Context_Switch_necessary = true;
+    _Thread_Dispatch_necessary = true;
 
   _ISR_Enable( level );
 }
diff --git a/cpukit/score/src/threadresume.c b/cpukit/score/src/threadresume.c
index f1ad9ab0bc..c82466d3b3 100644
--- a/cpukit/score/src/threadresume.c
+++ b/cpukit/score/src/threadresume.c
@@ -79,7 +79,7 @@ void _Thread_Resume(
         _Thread_Heir = the_thread;
         if ( _Thread_Executing->is_preemptible ||
              the_thread->current_priority == 0 )
-          _Context_Switch_necessary = true;
+          _Thread_Dispatch_necessary = true;
       }
     }
   }
diff --git a/cpukit/score/src/threadsetstate.c b/cpukit/score/src/threadsetstate.c
index e1bb9d80db..2edd3bb70d 100644
--- a/cpukit/score/src/threadsetstate.c
+++ b/cpukit/score/src/threadsetstate.c
@@ -81,7 +81,7 @@ void _Thread_Set_state(
      _Thread_Calculate_heir();
 
   if ( _Thread_Is_executing( the_thread ) )
-    _Context_Switch_necessary = true;
+    _Thread_Dispatch_necessary = true;
 
   _ISR_Enable( level );
 }
diff --git a/cpukit/score/src/threadstartmultitasking.c b/cpukit/score/src/threadstartmultitasking.c
index 08c66c3d66..c1311554ea 100644
--- a/cpukit/score/src/threadstartmultitasking.c
+++ b/cpukit/score/src/threadstartmultitasking.c
@@ -61,7 +61,7 @@ void _Thread_Start_multitasking( void )
 
   _System_state_Set( SYSTEM_STATE_UP );
 
-  _Context_Switch_necessary = false;
+  _Thread_Dispatch_necessary = false;
 
   _Thread_Executing = _Thread_Heir;
 
diff --git a/cpukit/score/src/threadsuspend.c b/cpukit/score/src/threadsuspend.c
index 27540ecfef..8cb2796691 100644
--- a/cpukit/score/src/threadsuspend.c
+++ b/cpukit/score/src/threadsuspend.c
@@ -79,7 +79,7 @@ void _Thread_Suspend(
      _Thread_Calculate_heir();
 
   if ( _Thread_Is_executing( the_thread ) )
-    _Context_Switch_necessary = true;
+    _Thread_Dispatch_necessary = true;
 
   _ISR_Enable( level );
 }
diff --git a/cpukit/score/src/threadyieldprocessor.c b/cpukit/score/src/threadyieldprocessor.c
index 9defbeab34..633292d3f6 100644
--- a/cpukit/score/src/threadyieldprocessor.c
+++ b/cpukit/score/src/threadyieldprocessor.c
@@ -67,10 +67,10 @@ void _Thread_Yield_processor( void )
 
       if ( _Thread_Is_heir( executing ) )
         _Thread_Heir = (Thread_Control *) ready->first;
-      _Context_Switch_necessary = true;
+      _Thread_Dispatch_necessary = true;
     }
     else if ( !_Thread_Is_heir( executing ) )
-      _Context_Switch_necessary = true;
+      _Thread_Dispatch_necessary = true;
 
   _ISR_Enable( level );
 }