2 * Copyright 2017 Facebook, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 #include <folly/experimental/hazptr/debug.h>
20 ////////////////////////////////////////////////////////////////////////////////
21 /// Disclaimer: This is intended only as a partial stand-in for
22 /// std::pmr::memory_resource (C++17) as needed for developing a
24 ////////////////////////////////////////////////////////////////////////////////
28 #include <folly/Portability.h>
29 #include <folly/lang/Align.h>
34 class memory_resource {
36 virtual ~memory_resource() = default;
37 virtual void* allocate(
39 const size_t alignment = max_align_v) = 0;
40 virtual void deallocate(
43 const size_t alignment = max_align_v) = 0;
46 memory_resource* get_default_resource();
47 void set_default_resource(memory_resource*);
48 memory_resource* new_delete_resource();