source: rtems-libbsd/rtemsbsd/rtems/rtems-kernel-muteximpl.c @ b1ec3c9

freebsd-9.3
Last change on this file since b1ec3c9 was b1ec3c9, checked in by Sebastian Huber <sebastian.huber@…>, on Jan 11, 2017 at 10:52:41 AM

rtems-bsd-mutex: Update due to API changes

  • Property mode set to 100644
File size: 2.4 KB
Line 
1/**
2 * @file
3 *
4 * @ingroup rtems_bsd_rtems
5 *
6 * @brief TODO.
7 */
8
9/*
10 * Copyright (c) 2014, 2016 embedded brains GmbH.  All rights reserved.
11 *
12 *  embedded brains GmbH
13 *  Dornierstr. 4
14 *  82178 Puchheim
15 *  Germany
16 *  <rtems@embedded-brains.de>
17 *
18 * Redistribution and use in source and binary forms, with or without
19 * modification, are permitted provided that the following conditions
20 * are met:
21 * 1. Redistributions of source code must retain the above copyright
22 *    notice, this list of conditions and the following disclaimer.
23 * 2. Redistributions in binary form must reproduce the above copyright
24 *    notice, this list of conditions and the following disclaimer in the
25 *    documentation and/or other materials provided with the distribution.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * SUCH DAMAGE.
38 */
39
40#include <machine/rtems-bsd-kernel-space.h>
41#include <machine/rtems-bsd-muteximpl.h>
42
43#include <rtems/score/schedulerimpl.h>
44
45void
46rtems_bsd_mutex_lock_more(struct lock_object *lock, rtems_bsd_mutex *m,
47    Thread_Control *owner, Thread_Control *executing,
48    Thread_queue_Context *queue_context)
49{
50        if (owner == executing) {
51                BSD_ASSERT(lock->lo_flags & LO_RECURSABLE);
52                ++m->nest_level;
53
54                _Thread_queue_Release(&m->queue, queue_context);
55        } else {
56                _Thread_queue_Context_set_thread_state(queue_context,
57                    STATES_WAITING_FOR_MUTEX);
58                _Thread_queue_Context_set_no_timeout(queue_context);
59                _Thread_queue_Context_set_do_nothing_enqueue_callout(
60                    queue_context);
61                _Thread_queue_Context_set_deadlock_callout(queue_context,
62                    _Thread_queue_Deadlock_fatal);
63                _Thread_queue_Enqueue(&m->queue.Queue,
64                    RTEMS_BSD_MUTEX_TQ_OPERATIONS, executing, queue_context);
65        }
66}
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