path: root/cpukit/score/src/chaininsert.c

/**
 * @file
 *
 * @brief Extracts a node from a given chain
 *
 * @ingroup ScoreChain
 */

/*
 *  COPYRIGHT (c) 1989-2007.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  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/system.h>
#include <rtems/score/address.h>
#include <rtems/score/chainimpl.h>
#include <rtems/score/isr.h>

/*
 *  _Chain_Insert
 *
 *  This kernel routine inserts a given node after a specified node
 *  a requested chain.
 *
 *  Input parameters:
 *    after_node - pointer to node in chain to be inserted after
 *    node       - pointer to node to be inserted
 *
 *  Output parameters:  NONE
 *
 *  INTERRUPT LATENCY:
 *    only case
 */

void _Chain_Insert(
  Chain_Node *after_node,
  Chain_Node *node
)
{
  ISR_Level level;

  _ISR_Disable( level );
    _Chain_Insert_unprotected( after_node, node );
  _ISR_Enable( level );
}