From f74d9496ee4d0a8af72adbbda2e59d9b1d005423 Mon Sep 17 00:00:00 2001
From: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date: Wed, 17 Jul 2013 11:03:02 +0200
Subject: score: Add _Thread_Get_executing()

---
 cpukit/score/include/rtems/score/thread.h | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

(limited to 'cpukit/score')

diff --git a/cpukit/score/include/rtems/score/thread.h b/cpukit/score/include/rtems/score/thread.h
index 13b7e7516d..5e8bc950a7 100644
--- a/cpukit/score/include/rtems/score/thread.h
+++ b/cpukit/score/include/rtems/score/thread.h
@@ -66,6 +66,7 @@ extern "C" {
 #include <rtems/score/percpu.h>
 #include <rtems/score/context.h>
 #include <rtems/score/cpu.h>
+#include <rtems/score/isr.h>
 #if defined(RTEMS_MULTIPROCESSING)
 #include <rtems/score/mppkt.h>
 #endif
@@ -882,6 +883,34 @@ void _Thread_blocking_operation_Cancel(
   ISR_Level                         level
 );
 
+/**
+ * @brief Returns the thread control block of the executing thread.
+ *
+ * This function can be called in any context.  On SMP configurations
+ * interrupts are disabled to ensure that the processor index is used
+ * consistently.
+ *
+ * @return The thread control block of the executing thread.
+ */
+RTEMS_INLINE_ROUTINE Thread_Control *_Thread_Get_executing( void )
+{
+  Thread_Control *executing;
+
+  #if defined( RTEMS_SMP )
+    ISR_Level level;
+
+    _ISR_Disable( level );
+  #endif
+
+  executing = _Thread_Executing;
+
+  #if defined( RTEMS_SMP )
+    _ISR_Enable( level );
+  #endif
+
+  return executing;
+}
+
 #ifndef __RTEMS_APPLICATION__
 #include <rtems/score/thread.inl>
 #endif
-- 
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