source: rtems/cpukit/sapi/src/chaingetwait.c @ 599d71f

Last change on this file since 599d71f was c499856, checked in by Chris Johns <chrisj@…>, on Mar 20, 2014 at 9:10:47 PM

Change all references of rtems.com to rtems.org.

  • Property mode set to 100644
File size: 1.0 KB
Line 
1/**
2 * @file
3 *
4 * @ingroup ClassicChains
5 *
6 * @brief rtems_chain_get_with_wait() implementation.
7 */
8
9/*
10 * Copyright (c) 2010 embedded brains GmbH.  All rights reserved.
11 *
12 *  embedded brains GmbH
13 *  Obere Lagerstr. 30
14 *  82178 Puchheim
15 *  Germany
16 *  <rtems@embedded-brains.de>
17 *
18 * The license and distribution terms for this file may be
19 * found in the file LICENSE in this distribution or at
20 * http://www.rtems.org/license/LICENSE.
21 */
22
23#if HAVE_CONFIG_H
24#include "config.h"
25#endif
26
27#include <rtems/chain.h>
28
29rtems_status_code rtems_chain_get_with_wait(
30  rtems_chain_control *chain,
31  rtems_event_set events,
32  rtems_interval timeout,
33  rtems_chain_node **node_ptr
34)
35{
36  rtems_status_code sc = RTEMS_SUCCESSFUL;
37  rtems_chain_node *node = NULL;
38
39  while (
40    sc == RTEMS_SUCCESSFUL
41      && (node = rtems_chain_get( chain )) == NULL
42  ) {
43    rtems_event_set out;
44    sc = rtems_event_receive(
45      events,
46      RTEMS_EVENT_ALL | RTEMS_WAIT,
47      timeout,
48      &out
49    );
50  }
51
52  *node_ptr = node;
53
54  return sc;
55}
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