43 lines
1.3 KiB
C++
43 lines
1.3 KiB
C++
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/*
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* GlobalData.cpp
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*
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* This source file is part of the FoundationDB open source project
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*
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* Copyright 2013-2020 Apple Inc. and the FoundationDB project authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "fdbclient/FDBTypes.h"
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static constexpr size_t globalDataSize = 1 << 16;
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static const uint8_t* globalData = nullptr;
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static inline void initGlobalData() {
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if (!globalData) {
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globalData = static_cast<const uint8_t*>(allocateFast(globalDataSize));
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}
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}
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KeyValueRef getKV(size_t keySize, size_t valueSize) {
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initGlobalData();
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ASSERT(keySize + valueSize <= globalDataSize);
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return KeyValueRef(KeyRef(globalData, keySize), ValueRef(globalData + keySize, valueSize));
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}
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KeyRef getKey(size_t keySize) {
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initGlobalData();
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ASSERT(keySize);
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return KeyRef(globalData, keySize);
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}
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