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rocksdb

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RocksDB for Erlang

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rocksdb c_src env.h
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c_src/env.h 

// Copyright (c) 2016-2026 Benoit Chesneau

//

// This file is provided 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.



#pragma once

#ifndef INCL_ENV_H

#define INCL_ENV_H



#include "erl_nif.h"



#include "rocksdb/env.h"





namespace erocksdb {



  class ManagedEnv {

    protected:

      static ErlNifResourceType* m_Env_RESOURCE;



    public:

      explicit ManagedEnv(rocksdb::Env * Env);



      ~ManagedEnv();



      const rocksdb::Env* env();



      static void CreateEnvType(ErlNifEnv * Env);

      static void EnvResourceCleanup(ErlNifEnv *Env, void * Arg);



      static ManagedEnv * CreateEnvResource(rocksdb::Env * env);

      static ManagedEnv * RetrieveEnvResource(ErlNifEnv * Env, const ERL_NIF_TERM & EnvTerm);



    private:

      const rocksdb::Env* env_;

  };



}



#endif // INCL_ENV_H