From 1e51fa5f4de9f15a99e3cb1fd1787f1861304e7e Mon Sep 17 00:00:00 2001
From: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date: Mon, 29 Jul 2013 17:25:50 +0200
Subject: score: Add and use _Thread_Update_cpu_time_used()

Fix _times().
---
 cpukit/score/include/rtems/score/threadimpl.h | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'cpukit/score/include/rtems/score/threadimpl.h')

diff --git a/cpukit/score/include/rtems/score/threadimpl.h b/cpukit/score/include/rtems/score/threadimpl.h
index f5a0ff9faa..e818bc8c50 100644
--- a/cpukit/score/include/rtems/score/threadimpl.h
+++ b/cpukit/score/include/rtems/score/threadimpl.h
@@ -23,6 +23,7 @@
 #include <rtems/score/isr.h>
 #include <rtems/score/objectimpl.h>
 #include <rtems/score/statesimpl.h>
+#include <rtems/score/tod.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -651,6 +652,24 @@ RTEMS_INLINE_ROUTINE void _Thread_Signal_notification( Thread_Control *thread )
   }
 }
 
+RTEMS_INLINE_ROUTINE void _Thread_Update_cpu_time_used(
+  Thread_Control *executing,
+  Timestamp_Control *time_of_last_context_switch
+)
+{
+  Timestamp_Control uptime;
+  Timestamp_Control ran;
+
+  _TOD_Get_uptime( &uptime );
+  _Timestamp_Subtract(
+    time_of_last_context_switch,
+    &uptime,
+    &ran
+  );
+  *time_of_last_context_switch = uptime;
+  _Timestamp_Add_to( &executing->cpu_time_used, &ran );
+}
+
 #if !defined(__DYNAMIC_REENT__)
 /**
  * This routine returns the C library re-enterant pointer.
-- 
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