score: Add STATES_RESTARTING

Use separate state for thread restart.

cpukit/libmisc/monitor/mon-prmisc.c

@@ -138,6 +138,7 @@ static const rtems_assoc_t rtems_monitor_state_assoc[] = {
     { "Wterm",  STATES_WAITING_FOR_TERMINATION, 0 },
     { "ZOMBI",  STATES_ZOMBIE, 0 },
     { "MIGRA",  STATES_MIGRATING, 0 },
+    { "RESTA",  STATES_RESTARTING, 0 },
     { 0, 0, 0 },
 };
 

cpukit/score/include/rtems/score/statesimpl.h

@@ -84,6 +84,8 @@ extern "C" {
 #define STATES_ZOMBIE                          0x200000
 /** This macro corresponds to a task migrating to another scheduler. */
 #define STATES_MIGRATING                       0x400000
+/** This macro corresponds to a task restarting. */
+#define STATES_RESTARTING                      0x800000
 
 /** This macro corresponds to a task which is in an interruptible
  *  blocking state.

cpukit/score/src/threadrestart.c

@@ -224,7 +224,7 @@ static void _Thread_Start_life_change(
   the_thread->budget_callout   = the_thread->Start.budget_callout;
   the_thread->real_priority    = priority;
 
-  _Thread_Set_transient( the_thread );
+  _Thread_Set_state( the_thread, STATES_RESTARTING );
   _Thread_queue_Extract_with_proxy( the_thread );
   _Watchdog_Remove( &the_thread->Timer );
   _Scheduler_Set_priority_if_higher( scheduler, the_thread, priority );