score: Use thread action for thread restart

The thread restart is now supported on SMP.  New test
smptests/smpthreadlife01.

1 files changed, 35 insertions, 15 deletions

diff --git a/cpukit/score/src/threadrestart.c b/cpukit/score/src/threadrestart.c
index b9a7dd56ae..d982f720e7 100644
--- a/cpukit/score/src/threadrestart.c
+++ b/cpukit/score/src/threadrestart.c
@@ -20,32 +20,52 @@
 
 #include <rtems/score/threadimpl.h>
 #include <rtems/score/userextimpl.h>
-#include <rtems/config.h>
 
-bool _Thread_Restart(
+void _Thread_Life_action_handler(
+  Thread_Control  *executing,
+  Thread_Action   *action,
+  Per_CPU_Control *cpu,
+  ISR_Level        level
+)
+{
+  (void) action;
+  _Thread_Action_release_and_ISR_enable( cpu, level );
+
+  _Thread_Disable_dispatch();
+
+  _Thread_Load_environment( executing );
+  _Thread_Restart_self( executing );
+}
+
+static void _Thread_Request_life_change(
   Thread_Control            *the_thread,
   void                      *pointer_argument,
   Thread_Entry_numeric_type  numeric_argument
 )
 {
-#if defined( RTEMS_SMP )
-  if (
-    rtems_configuration_is_smp_enabled()
-      && !_Thread_Is_executing( the_thread )
-  ) {
-    return false;
-  }
-#endif
+  _Thread_Set_transient( the_thread );
 
-  if ( !_States_Is_dormant( the_thread->current_state ) ) {
+  _Thread_Reset( the_thread, pointer_argument, numeric_argument );
 
-    _Thread_Set_transient( the_thread );
+  _Thread_Add_post_switch_action( the_thread, &the_thread->Life.Action );
 
-    _Thread_Reset( the_thread, pointer_argument, numeric_argument );
+  _Thread_Ready( the_thread );
 
-    _Thread_Load_environment( the_thread );
+  _Thread_Request_dispatch_if_executing( the_thread );
+}
 
-    _Thread_Ready( the_thread );
+bool _Thread_Restart(
+  Thread_Control            *the_thread,
+  void                      *pointer_argument,
+  Thread_Entry_numeric_type  numeric_argument
+)
+{
+  if ( !_States_Is_dormant( the_thread->current_state ) ) {
+    _Thread_Request_life_change(
+      the_thread,
+      pointer_argument,
+      numeric_argument
+    );
 
     _User_extensions_Thread_restart( the_thread );