fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
91 lines
3.3 KiB
91 lines
3.3 KiB
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
|
|
// 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).
|
|
|
|
#include "rocksdb/memory_allocator.h"
|
|
|
|
#include "memory/jemalloc_nodump_allocator.h"
|
|
#include "memory/memkind_kmem_allocator.h"
|
|
#include "rocksdb/utilities/customizable_util.h"
|
|
#include "rocksdb/utilities/object_registry.h"
|
|
#include "rocksdb/utilities/options_type.h"
|
|
#include "utilities/memory_allocators.h"
|
|
|
|
namespace ROCKSDB_NAMESPACE {
|
|
namespace {
|
|
static std::unordered_map<std::string, OptionTypeInfo> ma_wrapper_type_info = {
|
|
#ifndef ROCKSDB_LITE
|
|
{"target", OptionTypeInfo::AsCustomSharedPtr<MemoryAllocator>(
|
|
0, OptionVerificationType::kByName, OptionTypeFlags::kNone)},
|
|
#endif // ROCKSDB_LITE
|
|
};
|
|
|
|
#ifndef ROCKSDB_LITE
|
|
static int RegisterBuiltinAllocators(ObjectLibrary& library,
|
|
const std::string& /*arg*/) {
|
|
library.AddFactory<MemoryAllocator>(
|
|
DefaultMemoryAllocator::kClassName(),
|
|
[](const std::string& /*uri*/, std::unique_ptr<MemoryAllocator>* guard,
|
|
std::string* /*errmsg*/) {
|
|
guard->reset(new DefaultMemoryAllocator());
|
|
return guard->get();
|
|
});
|
|
library.AddFactory<MemoryAllocator>(
|
|
CountedMemoryAllocator::kClassName(),
|
|
[](const std::string& /*uri*/, std::unique_ptr<MemoryAllocator>* guard,
|
|
std::string* /*errmsg*/) {
|
|
guard->reset(new CountedMemoryAllocator(
|
|
std::make_shared<DefaultMemoryAllocator>()));
|
|
return guard->get();
|
|
});
|
|
library.AddFactory<MemoryAllocator>(
|
|
JemallocNodumpAllocator::kClassName(),
|
|
[](const std::string& /*uri*/, std::unique_ptr<MemoryAllocator>* guard,
|
|
std::string* errmsg) {
|
|
if (JemallocNodumpAllocator::IsSupported(errmsg)) {
|
|
JemallocAllocatorOptions options;
|
|
guard->reset(new JemallocNodumpAllocator(options));
|
|
}
|
|
return guard->get();
|
|
});
|
|
library.AddFactory<MemoryAllocator>(
|
|
MemkindKmemAllocator::kClassName(),
|
|
[](const std::string& /*uri*/, std::unique_ptr<MemoryAllocator>* guard,
|
|
std::string* errmsg) {
|
|
if (MemkindKmemAllocator::IsSupported(errmsg)) {
|
|
guard->reset(new MemkindKmemAllocator());
|
|
}
|
|
return guard->get();
|
|
});
|
|
size_t num_types;
|
|
return static_cast<int>(library.GetFactoryCount(&num_types));
|
|
}
|
|
#endif // ROCKSDB_LITE
|
|
} // namespace
|
|
|
|
MemoryAllocatorWrapper::MemoryAllocatorWrapper(
|
|
const std::shared_ptr<MemoryAllocator>& t)
|
|
: target_(t) {
|
|
RegisterOptions("", &target_, &ma_wrapper_type_info);
|
|
}
|
|
|
|
Status MemoryAllocator::CreateFromString(
|
|
const ConfigOptions& options, const std::string& value,
|
|
std::shared_ptr<MemoryAllocator>* result) {
|
|
#ifndef ROCKSDB_LITE
|
|
static std::once_flag once;
|
|
std::call_once(once, [&]() {
|
|
RegisterBuiltinAllocators(*(ObjectLibrary::Default().get()), "");
|
|
});
|
|
#else
|
|
if (value == DefaultMemoryAllocator::kClassName()) {
|
|
result->reset(new DefaultMemoryAllocator());
|
|
return Status::OK();
|
|
}
|
|
#endif // ROCKSDB_LITE
|
|
ConfigOptions copy = options;
|
|
copy.invoke_prepare_options = true;
|
|
return LoadManagedObject<MemoryAllocator>(copy, value, result);
|
|
}
|
|
} // namespace ROCKSDB_NAMESPACE
|
|
|