From beab7329fca655c93743fbb590d00bb4ea5a6d78 Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Tue, 13 May 2014 16:03:05 +0200 Subject: score: Introduce scheduler nodes Rename scheduler per-thread information into scheduler nodes using Scheduler_Node as the base type. Use inheritance for specialized schedulers. Move the scheduler specific states from the thread control block into the scheduler node structure. Validate the SMP scheduler node state transitions in case RTEMS_DEBUG is defined. --- cpukit/score/src/schedulersimplesmp.c | 23 ++++++++++++++++++++--- 1 file changed, 20 insertions(+), 3 deletions(-) (limited to 'cpukit/score/src/schedulersimplesmp.c') diff --git a/cpukit/score/src/schedulersimplesmp.c b/cpukit/score/src/schedulersimplesmp.c index 5448d5d3de..7fe2fd7943 100644 --- a/cpukit/score/src/schedulersimplesmp.c +++ b/cpukit/score/src/schedulersimplesmp.c @@ -3,7 +3,7 @@ * * @brief Simple SMP Scheduler Implementation * - * @ingroup ScoreSchedulerSMP + * @ingroup ScoreSchedulerSMPSimple */ /* @@ -44,6 +44,18 @@ void _Scheduler_simple_smp_Initialize( const Scheduler_Control *scheduler ) _Chain_Initialize_empty( &self->Ready ); } +bool _Scheduler_simple_smp_Allocate( + const Scheduler_Control *scheduler, + Thread_Control *the_thread +) +{ + Scheduler_SMP_Node *node = _Scheduler_SMP_Node_get( the_thread ); + + _Scheduler_SMP_Node_initialize( node ); + + return true; +} + static Thread_Control *_Scheduler_simple_smp_Get_highest_ready( Scheduler_SMP_Context *smp_base ) @@ -122,10 +134,15 @@ static void _Scheduler_simple_smp_Do_extract( Thread_Control *thread ) { + Scheduler_SMP_Node *node = _Scheduler_SMP_Node_get( thread ); + (void) smp_base; - thread->is_in_the_air = thread->is_scheduled; - thread->is_scheduled = false; + if ( node->state == SCHEDULER_SMP_NODE_SCHEDULED ) { + _Scheduler_SMP_Node_change_state( node, SCHEDULER_SMP_NODE_IN_THE_AIR ); + } else { + _Scheduler_SMP_Node_change_state( node, SCHEDULER_SMP_NODE_BLOCKED ); + } _Chain_Extract_unprotected( &thread->Object.Node ); } -- cgit v1.2.3