From a11b98c906a85292055d297ec92c15b342f0f52b Mon Sep 17 00:00:00 2001
From: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date: Thu, 8 Nov 2018 13:12:32 +0100
Subject: score: Avoid include of <rtems/score/thread.h>

Update #3598.
---
 cpukit/include/rtems/score/userext.h     | 29 +++++++++++++++--------------
 cpukit/include/rtems/score/userextimpl.h |  3 ++-
 2 files changed, 17 insertions(+), 15 deletions(-)

diff --git a/cpukit/include/rtems/score/userext.h b/cpukit/include/rtems/score/userext.h
index 5af5824808..7b80227f37 100644
--- a/cpukit/include/rtems/score/userext.h
+++ b/cpukit/include/rtems/score/userext.h
@@ -20,12 +20,13 @@
 
 #include <rtems/score/interr.h>
 #include <rtems/score/chain.h>
-#include <rtems/score/thread.h>
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
+struct _Thread_Control;
+
 typedef void User_extensions_routine RTEMS_DEPRECATED;
 
 /**
@@ -69,8 +70,8 @@ typedef void User_extensions_routine RTEMS_DEPRECATED;
  * return @a false and the entire thread create operation will fail.
  */
 typedef bool ( *User_extensions_thread_create_extension )(
-  Thread_Control *executing,
-  Thread_Control *created
+  struct _Thread_Control *executing,
+  struct _Thread_Control *created
 );
 
 /**
@@ -89,8 +90,8 @@ typedef bool ( *User_extensions_thread_create_extension )(
  * @param[in] deleted The deleted thread.
  */
 typedef void( *User_extensions_thread_delete_extension )(
-  Thread_Control *executing,
-  Thread_Control *deleted
+  struct _Thread_Control *executing,
+  struct _Thread_Control *deleted
 );
 
 /**
@@ -109,8 +110,8 @@ typedef void( *User_extensions_thread_delete_extension )(
  * @param[in] started The started thread.
  */
 typedef void( *User_extensions_thread_start_extension )(
-  Thread_Control *executing,
-  Thread_Control *started
+  struct _Thread_Control *executing,
+  struct _Thread_Control *started
 );
 
 /**
@@ -131,8 +132,8 @@ typedef void( *User_extensions_thread_start_extension )(
  * @param[in] restarted The executing thread.  Yes, the executing thread.
  */
 typedef void( *User_extensions_thread_restart_extension )(
-  Thread_Control *executing,
-  Thread_Control *restarted
+  struct _Thread_Control *executing,
+  struct _Thread_Control *restarted
 );
 
 /**
@@ -154,8 +155,8 @@ typedef void( *User_extensions_thread_restart_extension )(
  * @param[in] heir The heir thread.
  */
 typedef void( *User_extensions_thread_switch_extension )(
-  Thread_Control *executing,
-  Thread_Control *heir
+  struct _Thread_Control *executing,
+  struct _Thread_Control *heir
 );
 
 /**
@@ -169,7 +170,7 @@ typedef void( *User_extensions_thread_switch_extension )(
  * @param[in] executing The executing thread.
  */
 typedef void( *User_extensions_thread_begin_extension )(
-  Thread_Control *executing
+  struct _Thread_Control *executing
 );
 
 /**
@@ -183,7 +184,7 @@ typedef void( *User_extensions_thread_begin_extension )(
  * @param[in] executing The executing thread.
  */
 typedef void( *User_extensions_thread_exitted_extension )(
-  Thread_Control *executing
+  struct _Thread_Control *executing
 );
 
 /**
@@ -223,7 +224,7 @@ typedef void( *User_extensions_fatal_extension )(
  * @param[in] terminated The terminated thread.
  */
 typedef void( *User_extensions_thread_terminate_extension )(
-  Thread_Control *terminated
+  struct _Thread_Control *terminated
 );
 
 /**
diff --git a/cpukit/include/rtems/score/userextimpl.h b/cpukit/include/rtems/score/userextimpl.h
index 5ad2c63765..a842ae8e86 100644
--- a/cpukit/include/rtems/score/userextimpl.h
+++ b/cpukit/include/rtems/score/userextimpl.h
@@ -19,8 +19,9 @@
 #define _RTEMS_SCORE_USEREXTIMPL_H
 
 #include <rtems/score/userext.h>
-#include <rtems/score/isrlock.h>
 #include <rtems/score/chainimpl.h>
+#include <rtems/score/isrlock.h>
+#include <rtems/score/thread.h>
 #include <rtems/score/percpu.h>
 
 #ifdef __cplusplus
-- 
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