rocksdb/port/win/win_jemalloc.cc

80 lines
2.0 KiB
C++

// 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).
//
// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file. See the AUTHORS file for names of contributors.
#if defined(OS_WIN)
#ifndef ROCKSDB_JEMALLOC
# error This file can only be part of jemalloc aware build
#endif
#include <stdexcept>
#include "jemalloc/jemalloc.h"
#include "port/win/port_win.h"
#if defined(ZSTD) && defined(ZSTD_STATIC_LINKING_ONLY)
#include <zstd.h>
#if (ZSTD_VERSION_NUMBER >= 500)
namespace ROCKSDB_NAMESPACE {
namespace port {
void* JemallocAllocateForZSTD(void* /* opaque */, size_t size) {
return je_malloc(size);
}
void JemallocDeallocateForZSTD(void* /* opaque */, void* address) {
je_free(address);
}
ZSTD_customMem GetJeZstdAllocationOverrides() {
return {JemallocAllocateForZSTD, JemallocDeallocateForZSTD, nullptr};
}
} // namespace port
} // namespace ROCKSDB_NAMESPACE
#endif // (ZSTD_VERSION_NUMBER >= 500)
#endif // defined(ZSTD) defined(ZSTD_STATIC_LINKING_ONLY)
// Global operators to be replaced by a linker when this file is
// a part of the build
namespace ROCKSDB_NAMESPACE {
namespace port {
void* jemalloc_aligned_alloc(size_t size, size_t alignment) ROCKSDB_NOEXCEPT {
return je_aligned_alloc(alignment, size);
}
void jemalloc_aligned_free(void* p) ROCKSDB_NOEXCEPT { je_free(p); }
} // namespace port
} // namespace ROCKSDB_NAMESPACE
void* operator new(size_t size) {
void* p = je_malloc(size);
if (!p) {
throw std::bad_alloc();
}
return p;
}
void* operator new[](size_t size) {
void* p = je_malloc(size);
if (!p) {
throw std::bad_alloc();
}
return p;
}
void operator delete(void* p) {
if (p) {
je_free(p);
}
}
void operator delete[](void* p) {
if (p) {
je_free(p);
}
}
#endif