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author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-06-17 07:38:17 +0200 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-06-22 14:37:11 +0200 |
commit | 768c483b7063025dfd130b29dc3466b6360042e0 (patch) | |
tree | fbddff076e67f787bb21c4c8d82dcc50a6cc1335 /cpukit/sapi/src | |
parent | score: Rework EDF scheduler (diff) | |
download | rtems-768c483b7063025dfd130b29dc3466b6360042e0.tar.bz2 |
score: Move _RBTree_Insert()
The _RBTree_Insert() is no longer used in the score. Move it to sapi
and make it rtems_rbtree_insert().
Diffstat (limited to 'cpukit/sapi/src')
-rw-r--r-- | cpukit/sapi/src/rbtreeinsert.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/cpukit/sapi/src/rbtreeinsert.c b/cpukit/sapi/src/rbtreeinsert.c new file mode 100644 index 0000000000..a4850ff4cf --- /dev/null +++ b/cpukit/sapi/src/rbtreeinsert.c @@ -0,0 +1,57 @@ +/* + * Copyright (c) 2010-2012 Gedare Bloom. + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.org/license/LICENSE. + */ + +#if HAVE_CONFIG_H +#include "config.h" +#endif + +#include <rtems/rbtree.h> +#include <rtems/score/rbtreeimpl.h> + +RTEMS_STATIC_ASSERT( + sizeof( RBTree_Compare_result ) >= sizeof( intptr_t ), + RBTree_Compare_result_intptr_t +); + +RTEMS_STATIC_ASSERT( + sizeof( RBTree_Compare_result ) >= sizeof( int32_t ), + RBTree_Compare_result_int32_t +); + +rtems_rbtree_node *rtems_rbtree_insert( + rtems_rbtree_control *the_rbtree, + rtems_rbtree_node *the_node, + RBTree_Compare compare, + bool is_unique +) +{ + rtems_rbtree_node **which = _RBTree_Root_reference( the_rbtree ); + rtems_rbtree_node *parent = NULL; + + while ( *which != NULL ) { + RBTree_Compare_result compare_result; + + parent = *which; + compare_result = ( *compare )( the_node, parent ); + + if ( is_unique && _RBTree_Is_equal( compare_result ) ) { + return parent; + } + + if ( _RBTree_Is_lesser( compare_result ) ) { + which = _RBTree_Left_reference( parent ); + } else { + which = _RBTree_Right_reference( parent ); + } + } + + _RBTree_Add_child( the_node, parent, which ); + _RBTree_Insert_color( the_rbtree, the_node ); + + return NULL; +} |