Packages

rocksdb

1.8.0
3.1.2 3.1.1 3.1.0 3.0.0 2.6.2 2.6.1 retired 2.6.0 retired 2.5.0 2.4.1 2.4.0 2.3.0 2.2.0 2.1.0 2.0.0 1.9.0 1.8.0 1.7.0 1.6.0 1.5.1 1.5.0 1.4.0 1.3.2 1.3.1 1.3.0 1.2.0 1.1.1 1.1.0 1.0.0 0.26.2 0.26.1 0.26.0 0.25.0 0.24.0 0.23.3 0.23.2 0.23.1 0.23.0 0.22.0 0.21.0 0.20.1 0.20.0 0.19.0 0.18.0 0.17.0 0.16.0 0.15.0 0.14.0 0.13.1 0.13.0 0.12.0 0.11.0 0.10.0 0.9.1 0.9.0 0.8.2 0.8.1 0.8.0 0.7.1 0.7.0 0.6.4 0.6.3 0.6.2 0.6.1 0.6.0

RocksDB for Erlang

HexDocs

Current section

Files

Jump to
Readme
64 Versions
0 Dependencies
Dependants
Files
Activity
rocksdb deps rocksdb memory memkind_kmem_allocator.h
Raw

deps/rocksdb/memory/memkind_kmem_allocator.h 

//  Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.

//  Copyright (c) 2019 Intel Corporation

//  This source code is licensed under both the GPLv2 (found in the

//  COPYING file in the root directory) and Apache 2.0 License

//  (found in the LICENSE.Apache file in the root directory).



#pragma once



#include "rocksdb/memory_allocator.h"

#include "utilities/memory_allocators.h"



namespace ROCKSDB_NAMESPACE {



class MemkindKmemAllocator : public BaseMemoryAllocator {

 public:

  static const char* kClassName() { return "MemkindKmemAllocator"; }

  const char* Name() const override { return kClassName(); }

  static bool IsSupported() {

    std::string unused;

    return IsSupported(&unused);

  }



  static bool IsSupported(std::string* msg) {

#ifdef MEMKIND

    (void)msg;

    return true;

#else

    *msg = "Not compiled with MemKind";

    return false;

#endif

  }

  Status PrepareOptions(const ConfigOptions& options) override;



#ifdef MEMKIND

  void* Allocate(size_t size) override;

  void Deallocate(void* p) override;

#ifdef ROCKSDB_MALLOC_USABLE_SIZE

  size_t UsableSize(void* p, size_t /*allocation_size*/) const override;

#endif

#endif  // MEMKIND

};



}  // namespace ROCKSDB_NAMESPACE