61 lines
1.4 KiB
C++
61 lines
1.4 KiB
C++
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* Licensed under the Apache License Version 2.0 with LLVM Exceptions
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* https://llvm.org/LICENSE.txt
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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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#pragma once
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#include <cstdint>
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#include <utility>
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#include <unifex/detail/prologue.hpp>
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namespace unifex {
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namespace linuxos {
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struct mmap_region {
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mmap_region() noexcept : ptr_(nullptr), size_(0) {}
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mmap_region(mmap_region&& r) noexcept
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: ptr_(std::exchange(r.ptr_, nullptr)),
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size_(std::exchange(r.size_, 0)) {}
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explicit mmap_region(void* ptr, std::size_t size) noexcept
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: ptr_(ptr), size_(size) {}
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~mmap_region();
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mmap_region& operator=(mmap_region r) noexcept {
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std::swap(ptr_, r.ptr_);
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std::swap(size_, r.size_);
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return *this;
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}
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void* data() const noexcept {
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return ptr_;
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}
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std::size_t size() const noexcept {
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return size_;
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}
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private:
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void* ptr_;
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std::size_t size_;
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};
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} // namespace linuxos
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} // namespace unifex
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#include <unifex/detail/epilogue.hpp>
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