4.115
Last change
on this file since bd9baa81 was
bd9baa81,
checked in by Joel Sherrill <joel.sherrill@…>, on 04/04/11 at 18:44:16
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2010-07-28 Gedare Bloom <giddyup44@…>
PR 1641/cpukit
- sapi/Makefile.am, sapi/preinstall.am, score/Makefile.am,
score/preinstall.am: Add Red Black Tree data structure to score.
- 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/rbtreeextract.c,
score/src/rbtreefind.c, score/src/rbtreefindheader.c,
score/src/rbtreeget.c, score/src/rbtreeinsert.c,
score/src/rbtreepeek.c: New files.
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-
Property mode set to
100644
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File size:
1.1 KB
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1 | /* |
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2 | * Copyright (c) 2010 Gedare Bloom. |
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3 | * |
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4 | * The license and distribution terms for this file may be |
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5 | * found in the file LICENSE in this distribution or at |
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6 | * http://www.rtems.com/license/LICENSE. |
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7 | * |
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8 | * $Id$ |
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9 | */ |
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10 | |
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11 | #if HAVE_CONFIG_H |
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12 | #include "config.h" |
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13 | #endif |
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14 | |
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15 | #include <rtems/system.h> |
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16 | #include <rtems/score/address.h> |
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17 | #include <rtems/score/rbtree.h> |
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18 | #include <rtems/score/isr.h> |
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19 | |
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20 | /* |
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21 | * _RBTree_Find_header |
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22 | * |
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23 | * This kernel routine returns a pointer to the rbtree header of the tree |
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24 | * containing the given node. |
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25 | * |
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26 | * Input parameters: |
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27 | * the_node - pointer to rbtree node |
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28 | * |
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29 | * Output parameters: |
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30 | * return_header - pointer to control header of rbtree |
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31 | * NULL - if there is no control header available (the node is not part |
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32 | * of a tree) |
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33 | * |
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34 | * INTERRUPT LATENCY: |
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35 | * only case |
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36 | */ |
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37 | |
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38 | RBTree_Control *_RBTree_Find_header( |
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39 | RBTree_Node *the_node |
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40 | ) |
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41 | { |
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42 | ISR_Level level; |
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43 | RBTree_Control *return_header; |
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44 | |
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45 | return_header = NULL; |
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46 | _ISR_Disable( level ); |
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47 | return_header = _RBTree_Find_header_unprotected( the_node ); |
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48 | _ISR_Enable( level ); |
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49 | return return_header; |
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50 | } |
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