RTOS/rtems
1
0
Fork 0
forked from Imagelibrary/rtems
Code Pull Requests Activity

score: Optimize _Thread_queue_Compare_priority()

Browse Source
This commit is contained in:
Sebastian Huber
2015-04-24 10:51:24 +02:00
parent 56729d83c9
commit a61d38501a
1 changed files with 10 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
cpukit/score/src/threadq.c
View File

@@ -29,19 +29,20 @@ RBTree_Compare_result _Thread_queue_Compare_priority(
const RBTree_Node *right
)
{
Priority_Control left_priority =
THREAD_RBTREE_NODE_TO_THREAD( left )->current_priority;
Priority_Control right_priority =
THREAD_RBTREE_NODE_TO_THREAD( right )->current_priority;
const Thread_Control *left_thread;
const Thread_Control *right_thread;
Priority_Control left_prio;
Priority_Control right_prio;
left_thread = THREAD_RBTREE_NODE_TO_THREAD( left );
right_thread = THREAD_RBTREE_NODE_TO_THREAD( right );
left_prio = left_thread->current_priority;
right_prio = right_thread->current_priority;
/*
* SuperCore priorities use lower numbers to indicate greater importance.
*/
if ( left_priority == right_priority )
return 0;
if ( left_priority < right_priority )
return -1;
return 1;
return ( left_prio > right_prio ) - ( left_prio < right_prio );
}
void _Thread_queue_Initialize(