2011-04-21 Jennifer Averett <Jennifer.Averett@OARcorp.com

	PR 1777/cpukit
	* libcsupport/src/malloc_deferred.c, libcsupport/src/realloc.c,
	score/Makefile.am, score/cpu/lm32/irq.c, score/cpu/nios2/irq.c,
	score/include/rtems/score/coremutex.h,
	score/include/rtems/score/thread.h,
	score/inline/rtems/score/thread.inl, score/src/heapfree.c,
	score/src/pheapwalk.c, score/src/smp.c, score/src/threaddispatch.c:
	Consolidated access to _Thread_Dispatch_disable_level.
	* score/src/threaddisabledispatch.c, score/src/threadenabledispatch.c:
	New files.

1 files changed, 49 insertions, 0 deletions

diff --git a/cpukit/score/src/threadenabledispatch.c b/cpukit/score/src/threadenabledispatch.c
new file mode 100644
index 0000000000..20f874a954
--- /dev/null
+++ b/cpukit/score/src/threadenabledispatch.c
@@ -0,0 +1,49 @@
+/*
+ *   _Thread_Enable_dispatch
+ *
+ *
+ *  COPYRIGHT (c) 1989-2011.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ *
+ *  $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems/score/thread.h>
+
+#ifndef __RTEMS_USE_TICKS_FOR_STATISTICS__
+  #include <rtems/score/timestamp.h>
+#endif
+
+
+/**
+ *  The following declares the dispatch critical section nesting
+ *  counter which is used to prevent context switches at inopportune
+ *  moments.
+ */
+
+/**
+ *  _Thread_Enable_dispatch
+ *
+ *  This kernel routine exits a context switch disable critical section.
+ *  This is the NOT INLINED version.
+ *
+ *  INTERRUPT LATENCY:
+ *    dispatch thread
+ *    no dispatch thread
+ */
+#if defined (__THREAD_DO_NOT_INLINE_ENABLE_DISPATCH__ )
+void _Thread_Enable_dispatch( void )
+{
+  if ( --_Thread_Dispatch_disable_level )
+    return;
+  _Thread_Dispatch();
+}
+#endif