diff options
Diffstat (limited to 'cpukit/score/src/scheduleredfreleasejob.c')
| -rw-r--r-- | cpukit/score/src/scheduleredfreleasejob.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/cpukit/score/src/scheduleredfreleasejob.c b/cpukit/score/src/scheduleredfreleasejob.c index 068a0db7a3..d7865ff5fb 100644 --- a/cpukit/score/src/scheduleredfreleasejob.c +++ b/cpukit/score/src/scheduleredfreleasejob.c @@ -25,7 +25,7 @@ Priority_Control _Scheduler_EDF_Map_priority( Priority_Control priority ) { - return SCHEDULER_EDF_PRIO_MSB | priority; + return SCHEDULER_EDF_PRIO_MSB | SCHEDULER_PRIORITY_MAP( priority ); } Priority_Control _Scheduler_EDF_Unmap_priority( @@ -33,7 +33,7 @@ Priority_Control _Scheduler_EDF_Unmap_priority( Priority_Control priority ) { - return priority & ~SCHEDULER_EDF_PRIO_MSB; + return SCHEDULER_PRIORITY_UNMAP( priority & ~SCHEDULER_EDF_PRIO_MSB ); } void _Scheduler_EDF_Release_job( @@ -48,7 +48,16 @@ void _Scheduler_EDF_Release_job( _Thread_Wait_acquire_critical( the_thread, queue_context ); - _Priority_Node_set_priority( priority_node, deadline ); + /* + * There is no integer overflow problem here due to the + * SCHEDULER_PRIORITY_MAP(). The deadline is in clock ticks. With the + * minimum clock tick interval of 1us, the uptime is limited to about 146235 + * years. + */ + _Priority_Node_set_priority( + priority_node, + SCHEDULER_PRIORITY_MAP( deadline ) + ); if ( _Priority_Node_is_active( priority_node ) ) { _Thread_Priority_changed( |