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| author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2011-08-21 20:07:11 +0000 |
|---|---|---|
| committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2011-08-21 20:07:11 +0000 |
| commit | 74f1c73e969fe7a7b1ca53bb6fcb1336f4a179cb (patch) | |
| tree | 4f2b74ad7cf7f1c661bdfd0cd89c284964ad2f64 /cpukit/sapi/include/rtems/rbtree.h | |
| parent | 2011-08-21 Joel Sherrill <joel.sherrilL@OARcorp.com> (diff) | |
| download | rtems-74f1c73e969fe7a7b1ca53bb6fcb1336f4a179cb.tar.bz2 | |
2011-08-21 Petr Benes <benesp16@fel.cvut.cz>
PR 1886/cpukit
* sapi/include/rtems/rbtree.h, sapi/inline/rtems/rbtree.inl,
score/include/rtems/score/rbtree.h,
score/inline/rtems/score/rbtree.inl, score/src/rbtree.c,
score/src/rbtreeinsert.c: This patch enables inserting duplicate keys
into rbtree. It is possible to turn on this feature when initializing
the tree.
Diffstat (limited to 'cpukit/sapi/include/rtems/rbtree.h')
| -rw-r--r-- | cpukit/sapi/include/rtems/rbtree.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/cpukit/sapi/include/rtems/rbtree.h b/cpukit/sapi/include/rtems/rbtree.h index 68f4ec697e..9a09b27650 100644 --- a/cpukit/sapi/include/rtems/rbtree.h +++ b/cpukit/sapi/include/rtems/rbtree.h @@ -43,6 +43,29 @@ typedef RBTree_Node rtems_rbtree_node; typedef RBTree_Control rtems_rbtree_control; /** + * @typedef rtems_rbtree_compare_function + * + * This type defines function pointers for user-provided comparison + * function. The function compares two nodes in order to determine + * the order in a red-black tree. + */ +typedef RBTree_Compare_function rtems_rbtree_compare_function; + +/** + * @typedef rtems_rbtree_unique + * + * This enum type defines whether the tree can contain nodes with + * duplicate keys. + */ +typedef enum { + /** The tree is not unique, insertion of duplicate keys is performed + * in a FIFO manner. */ + RTEMS_RBTREE_DUPLICATE = false, + /** The tree is unique, insertion of duplicate key is refused. */ + RTEMS_RBTREE_UNIQUE = true +} rtems_rbtree_unique; + +/** * @brief RBTree initializer for an empty rbtree with designator @a name. */ #define RTEMS_RBTREE_INITIALIZER_EMPTY(name) \ |