apr_arch_thread_cond.h

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/* Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef THREAD_COND_H
#define THREAD_COND_H

#include <kernel/OS.h>
#include "apr_pools.h"
#include "apr_thread_cond.h"
#include "apr_file_io.h"
#include "apr_general.h"
#include "apr_lib.h"
#include "apr_portable.h"
#include "apr_ring.h"

struct waiter_t {
    APR_RING_ENTRY(waiter_t) link;
    sem_id sem;
};

struct apr_thread_cond_t {
    apr_pool_t *pool;
    sem_id lock;
    apr_thread_mutex_t *condlock;
    thread_id owner;
    /* active list */
    APR_RING_HEAD(active_list, waiter_t) alist;
    /* free list */
    APR_RING_HEAD(free_list,   waiter_t) flist;
};

#endif  /* THREAD_COND_H */