1/* Licensed to the Apache Software Foundation (ASF) under one or more
2 * contributor license agreements.  See the NOTICE file distributed with
3 * this work for additional information regarding copyright ownership.
4 * The ASF licenses this file to You under the Apache License, Version 2.0
5 * (the "License"); you may not use this file except in compliance with
6 * the License.  You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef THREAD_RWLOCK_H
18#define THREAD_RWLOCK_H
19
20#include <kernel/OS.h>
21#include "apr_pools.h"
22#include "apr_thread_rwlock.h"
23#include "apr_file_io.h"
24#include "apr_general.h"
25#include "apr_lib.h"
26#include "apr_portable.h"
27
28struct apr_thread_rwlock_t {
29    apr_pool_t *pool;
30
31    /* Our lock :) */
32    sem_id Lock;
33    int32  LockCount;
34    /* Read/Write lock stuff */
35    sem_id Read;
36    int32  ReadCount;
37    sem_id Write;
38    int32  WriteCount;
39    int32  Nested;
40
41    thread_id writer;
42};
43
44#endif  /* THREAD_RWLOCK_H */
45
46