source: rtems/cpukit/score/src/corerwlock.c @ e6f7f81

4.115
Last change on this file since e6f7f81 was cbdabc8, checked in by Sebastian Huber <sebastian.huber@…>, on 07/19/13 at 12:48:57

score: Create rwlock implementation header

Move implementation specific parts of corerwlock.h and corerwlock.inl
into new header file corerwlockimpl.h. The corerwlock.h contains now
only the application visible API.

  • Property mode set to 100644
File size: 1004 bytes
Line 
1/**
2 * @file
3 *
4 * @brief
5 * @ingroup ScoreRWLock
6 */
7
8/*
9 *  COPYRIGHT (c) 1989-2006.
10 *  On-Line Applications Research Corporation (OAR).
11 *
12 *  The license and distribution terms for this file may be
13 *  found in the file LICENSE in this distribution or at
14 *  http://www.rtems.com/license/LICENSE.
15 */
16
17#if HAVE_CONFIG_H
18#include "config.h"
19#endif
20
21#include <rtems/system.h>
22#include <rtems/score/corerwlockimpl.h>
23#include <rtems/score/states.h>
24#include <rtems/score/thread.h>
25#include <rtems/score/threadq.h>
26
27void _CORE_RWLock_Initialize(
28  CORE_RWLock_Control       *the_rwlock,
29  CORE_RWLock_Attributes    *the_rwlock_attributes
30)
31{
32
33  the_rwlock->Attributes                = *the_rwlock_attributes;
34/*
35  the_rwlock->number_of_waiting_threads = 0;
36*/
37  the_rwlock->number_of_readers = 0;
38  the_rwlock->current_state = CORE_RWLOCK_UNLOCKED;
39
40  _Thread_queue_Initialize(
41    &the_rwlock->Wait_queue,
42    THREAD_QUEUE_DISCIPLINE_FIFO,
43    STATES_WAITING_FOR_RWLOCK,
44    CORE_RWLOCK_TIMEOUT
45  );
46}
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