From 1ef8e4a8e93a848e2a68f37e029039300f1c936b Mon Sep 17 00:00:00 2001
From: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date: Wed, 27 Apr 2016 22:07:56 +0200
Subject: score: Avoid Giant lock for set time of day

Update #2555.
Update #2630.
---
 cpukit/score/src/coretodadjust.c | 22 ++++++++--------------
 1 file changed, 8 insertions(+), 14 deletions(-)

(limited to 'cpukit/score/src/coretodadjust.c')

diff --git a/cpukit/score/src/coretodadjust.c b/cpukit/score/src/coretodadjust.c
index 51c10ec849..5996565e5c 100644
--- a/cpukit/score/src/coretodadjust.c
+++ b/cpukit/score/src/coretodadjust.c
@@ -18,14 +18,14 @@
 #include "config.h"
 #endif
 
-#include <rtems/score/threaddispatch.h>
 #include <rtems/score/todimpl.h>
 
 void _TOD_Adjust(
-  const Timestamp_Control delta
+  const Timestamp_Control *delta
 )
 {
   Timestamp_Control tod;
+  ISR_lock_Context  lock_context;
 
   /*
    * Currently, RTEMS does the adjustment in one movement.
@@ -35,16 +35,10 @@ void _TOD_Adjust(
    * adjustment.
    */
 
-  /*
-   * This prevents context switches while we are adjusting the TOD
-   */
-  _Thread_Disable_dispatch();
-
-    _TOD_Get( &tod );
-
-    _Timestamp_Add_to( &tod, &delta );
-
-    _TOD_Set( &tod );
-
-  _Thread_Enable_dispatch();
+  _TOD_Lock();
+  _TOD_Acquire( &lock_context );
+  _TOD_Get( &tod );
+  _Timestamp_Add_to( &tod, delta );
+  _TOD_Set( &tod, &lock_context );
+  _TOD_Unlock();
 }
-- 
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