From 351c14dfd00e1bdaced2823242532cab4bccb58c Mon Sep 17 00:00:00 2001
From: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date: Tue, 27 Sep 2016 11:33:36 +0200
Subject: score: Add new SMP scheduler helping protocol

Update #2556.
---
 cpukit/score/include/rtems/score/percpu.h | 8 ++++++++
 1 file changed, 8 insertions(+)

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

diff --git a/cpukit/score/include/rtems/score/percpu.h b/cpukit/score/include/rtems/score/percpu.h
index cb28cd98c4..3e0c348005 100644
--- a/cpukit/score/include/rtems/score/percpu.h
+++ b/cpukit/score/include/rtems/score/percpu.h
@@ -23,6 +23,7 @@
   #include <rtems/asm.h>
 #else
   #include <rtems/score/assert.h>
+  #include <rtems/score/chain.h>
   #include <rtems/score/isrlock.h>
   #include <rtems/score/smp.h>
   #include <rtems/score/smplock.h>
@@ -394,6 +395,13 @@ typedef struct Per_CPU_Control {
       SMP_lock_Stats_context Lock_stats_context;
     #endif
 
+    /**
+     * @brief Chain of threads in need for help.
+     *
+     * This field is protected by the Per_CPU_Control::Lock lock.
+     */
+    Chain_Control Threads_in_need_for_help;
+
     /**
      * @brief Bit field for SMP messages.
      *
-- 
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