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score: Modify _Scheduler_Unblock()

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In SMP configurations, obtain the scheduler node for the block and
unblock operations through the same way via
Thread_Control::Scheduler::Scheduler_node.  This symmetry is important
in a follow up patch which introduces thread pinning.

Update #3508.
This commit is contained in:
Sebastian Huber
2018-09-07 11:27:45 +02:00
parent cfc4231d8f
commit d8bc0730f7
1 changed files with 12 additions and 6 deletions
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18
cpukit/include/rtems/score/schedulerimpl.h
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@@ -299,16 +299,22 @@ RTEMS_INLINE_ROUTINE void _Scheduler_Block( Thread_Control *the_thread )
*/
RTEMS_INLINE_ROUTINE void _Scheduler_Unblock( Thread_Control *the_thread )
{
Scheduler_Node *scheduler_node;
const Scheduler_Control *scheduler;
ISR_lock_Context lock_context;
scheduler = _Thread_Scheduler_get_home( the_thread );
_Scheduler_Acquire_critical( scheduler, &lock_context );
( *scheduler->Operations.unblock )(
scheduler,
the_thread,
_Thread_Scheduler_get_home_node( the_thread )
#if defined(RTEMS_SMP)
scheduler_node = SCHEDULER_NODE_OF_THREAD_SCHEDULER_NODE(
_Chain_First( &the_thread->Scheduler.Scheduler_nodes )
);
scheduler = _Scheduler_Node_get_scheduler( scheduler_node );
#else
scheduler_node = _Thread_Scheduler_get_home_node( the_thread );
scheduler = _Thread_Scheduler_get_home( the_thread );
#endif
_Scheduler_Acquire_critical( scheduler, &lock_context );
( *scheduler->Operations.unblock )( scheduler, the_thread, scheduler_node );
_Scheduler_Release_critical( scheduler, &lock_context );
}