pool.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 _GUAC_POOL_H
#define _GUAC_POOL_H

 
#include "pool-types.h"
 
#include <pthread.h>
 
struct guac_pool {

    int min_size;

    int active;

    int __next_value;

    guac_pool_int* __head;

    guac_pool_int* __tail;

    pthread_mutex_t __lock;
 
};
 
struct guac_pool_int {

    int value;

    guac_pool_int* __next;
 
};

guac_pool* guac_pool_alloc(int size);

void guac_pool_free(guac_pool* pool);

int guac_pool_next_int(guac_pool* pool);

int guac_pool_next_int_below(guac_pool* pool, int limit);

int guac_pool_next_int_below_or_die(guac_pool* pool, int limit);

void guac_pool_free_int(guac_pool* pool, int value);
 
#endif