/Users/deen/code/yugabyte-db/src/yb/util/memory/mc_types.cc
Line | Count | Source (jump to first uncovered line) |
1 | | //-------------------------------------------------------------------------------------------------- |
2 | | // Copyright (c) YugaByte, Inc. |
3 | | // |
4 | | // Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except |
5 | | // in compliance with the License. You may obtain a copy of the License at |
6 | | // |
7 | | // http://www.apache.org/licenses/LICENSE-2.0 |
8 | | // |
9 | | // Unless required by applicable law or agreed to in writing, software distributed under the License |
10 | | // is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express |
11 | | // or implied. See the License for the specific language governing permissions and limitations |
12 | | // under the License. |
13 | | // |
14 | | //-------------------------------------------------------------------------------------------------- |
15 | | |
16 | | #include "yb/util/memory/mc_types.h" |
17 | | |
18 | | #include "yb/util/memory/arena.h" |
19 | | |
20 | | namespace yb { |
21 | | |
22 | | //-------------------------------------------------------------------------------------------------- |
23 | | |
24 | 0 | char *MCStrdup(MemoryContext *memctx, const char *str) { |
25 | 0 | if (str == nullptr) { |
26 | 0 | return nullptr; |
27 | 0 | } |
28 | | |
29 | 0 | const size_t bytes = strlen(str) + 1; |
30 | 0 | return static_cast<char*>(memcpy(memctx->AllocateBytes(bytes), str, bytes)); |
31 | 0 | } |
32 | | |
33 | | //-------------------------------------------------------------------------------------------------- |
34 | | |
35 | 9.99M | MCBase::MCBase(MemoryContext *memctx) { |
36 | 9.99M | } |
37 | | |
38 | 10.0M | MCBase::~MCBase() { |
39 | 10.0M | } |
40 | | |
41 | | // Delete operator is a NO-OP. The custom allocator (e.g. Arena) will free it when the associated |
42 | | // memory context is deleted. |
43 | 99 | void MCBase::operator delete(void *ptr) noexcept { |
44 | 99 | } |
45 | | |
46 | | // Operator new with placement allocate an object of any derived classes of MCBase. |
47 | 198 | void *MCBase::operator new(size_t bytes, Arena *arena) noexcept { |
48 | 198 | return arena->AllocateBytesAligned(bytes, sizeof(void*)); |
49 | 198 | } |
50 | | |
51 | 0 | void *MCBase::operator new(size_t bytes, void* ptr) noexcept { |
52 | 0 | return ptr; |
53 | 0 | } |
54 | | |
55 | | } // namespace yb |