summaryrefslogtreecommitdiffstats
path: root/cpukit/score/src/rbtreeget.c
blob: 1570d472c8014cdf04977b0d8999b529e6deea17 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
/**
 *  @file
 *
 *  @brief Obtain the min or max node of a rbtree
 *  @ingroup ScoreRBTree
 */

/*
 *  Copyright (c) 2010 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.com/license/LICENSE.
 */

#if HAVE_CONFIG_H
#include "config.h"
#endif

#include <rtems/system.h>
#include <rtems/score/address.h>
#include <rtems/score/rbtree.h>
#include <rtems/score/isr.h>

RBTree_Node *_RBTree_Get(
  RBTree_Control *the_rbtree,
  RBTree_Direction dir
)
{
  ISR_Level          level;
  RBTree_Node *return_node;

  return_node = NULL;
  _ISR_Disable( level );
      return_node = _RBTree_Get_unprotected( the_rbtree, dir );
  _ISR_Enable( level );
  return return_node;
}