#ifndef _APRPool_
#define _APRPool_

/*
 *
 * 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.
 *
 */
#include <boost/noncopyable.hpp>
#include <apr_pools.h>
#include <apr_thread_mutex.h>
#include <stack>

namespace qpid {
namespace sys {
/**
 * Singleton APR memory pool.
 */
class APRPool : private boost::noncopyable {
  public:
    APRPool();
    ~APRPool();
    
    apr_pool_t* allocate_pool();
    
    void free_pool(apr_pool_t* pool);

    /** Allocate pool */
    static apr_pool_t* get();
    
    /** Free pool */
    static void free(apr_pool_t* pool);

  private:
    apr_pool_t* pool;
    apr_thread_mutex_t* poolGuard;
    std::stack<apr_pool_t*>* allocated_pools;
};

}}





#endif  /*!_APRPool_*/