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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 #ifndef THREAD_MUTEX_H
18 #define THREAD_MUTEX_H
20 #include "apr_pools.h"
22 typedef enum thread_mutex_type {
23 thread_mutex_critical_section,
24 thread_mutex_unnested_event,
25 thread_mutex_nested_mutex
28 /* handle applies only to unnested_event on all platforms
29 * and nested_mutex on Win9x only. Otherwise critical_section
30 * is used for NT nexted mutexes providing optimal performance.
32 struct apr_thread_mutex_t {
34 thread_mutex_type type;
36 CRITICAL_SECTION section;
39 #endif /* THREAD_MUTEX_H */