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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
commit | e6918187568dbd01842d8d1d2c808ce16a894239 (patch) | |
tree | 64f88b554b444a49f656b6c656111a145cbbaa28 /src/rocksdb/memory/memory_allocator.h | |
parent | Initial commit. (diff) | |
download | ceph-e6918187568dbd01842d8d1d2c808ce16a894239.tar.xz ceph-e6918187568dbd01842d8d1d2c808ce16a894239.zip |
Adding upstream version 18.2.2.upstream/18.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/rocksdb/memory/memory_allocator.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/rocksdb/memory/memory_allocator.h b/src/rocksdb/memory/memory_allocator.h new file mode 100644 index 000000000..f1a548659 --- /dev/null +++ b/src/rocksdb/memory/memory_allocator.h @@ -0,0 +1,38 @@ +// 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). +// + +#pragma once + +#include "rocksdb/memory_allocator.h" + +namespace ROCKSDB_NAMESPACE { + +struct CustomDeleter { + CustomDeleter(MemoryAllocator* a = nullptr) : allocator(a) {} + + void operator()(char* ptr) const { + if (allocator) { + allocator->Deallocate(reinterpret_cast<void*>(ptr)); + } else { + delete[] ptr; + } + } + + MemoryAllocator* allocator; +}; + +using CacheAllocationPtr = std::unique_ptr<char[], CustomDeleter>; + +inline CacheAllocationPtr AllocateBlock(size_t size, + MemoryAllocator* allocator) { + if (allocator) { + auto block = reinterpret_cast<char*>(allocator->Allocate(size)); + return CacheAllocationPtr(block, allocator); + } + return CacheAllocationPtr(new char[size]); +} + +} // namespace ROCKSDB_NAMESPACE |