modularization/thirdpartylib/FastRTPS/include/fastdds/rtps/resources/ResourceManagement.h

// Copyright 2016 Proyectos y Sistemas de Mantenimiento SL (eProsima).
//
// Licensed 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.

/**
 * @file ResourceManagement.h
 *
 */

#ifndef _FASTDDS_RTPS_RESOURCE_MANAGEMENT_H_
#define _FASTDDS_RTPS_RESOURCE_MANAGEMENT_H_


namespace eprosima{
namespace fastrtps{
namespace rtps{

/**
 * Enum MemoryuManagementPolicy_t, indicated the way memory is managed in terms of dealing with CacheChanges
 */

typedef enum MemoryManagementPolicy{
    PREALLOCATED_MEMORY_MODE, //!< Preallocated memory. Size set to the data type maximum. Largest memory footprint but smallest allocation count.
    PREALLOCATED_WITH_REALLOC_MEMORY_MODE, //!< Default size preallocated, requires reallocation when a bigger message arrives. Smaller memory footprint at the cost of an increased allocation count.
    DYNAMIC_RESERVE_MEMORY_MODE, //< Dynamic allocation at the time of message arrival. Least memory footprint but highest allocation count.
    DYNAMIC_REUSABLE_MEMORY_MODE //< Like DYNAMIC_RESERVE_MEMORY_MODE but allocated memory is reused for future messages. Smaller allocation count at the cost of an increased memory footprint.
}MemoryManagementPolicy_t;


} // end namespaces
}
}

#endif /* _FASTDDS_RTPS_RESOURCE_MANAGEMENT_H_ */