119 lines
3.1 KiB
C++
119 lines
3.1 KiB
C++
/*
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Copyright <2018-2025> <scott.e.graves@protonmail.com>
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#ifndef REPERTORY_INCLUDE_UTILS_ATOMIC_HPP_
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#define REPERTORY_INCLUDE_UTILS_ATOMIC_HPP_
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#include "utils/config.hpp"
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namespace repertory::utils {
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template <typename data_t> class atomic final {
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public:
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atomic() : mtx_(std::make_shared<std::mutex>()) {}
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atomic(const atomic &at_data)
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: data_(at_data.load()), mtx_(std::make_shared<std::mutex>()) {}
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atomic(data_t data)
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: data_(std::move(data)), mtx_(std::make_shared<std::mutex>()) {}
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atomic(atomic &&) = default;
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~atomic() = default;
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private:
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data_t data_;
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std::shared_ptr<std::mutex> mtx_;
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public:
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[[nodiscard]] auto load() const -> data_t {
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mutex_lock lock(*mtx_);
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return data_;
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}
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auto store(data_t data) -> data_t {
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mutex_lock lock(*mtx_);
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data_ = std::move(data);
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return data_;
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}
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auto operator=(const atomic &at_data) -> atomic & {
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if (&at_data == this) {
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return *this;
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}
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store(at_data.load());
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return *this;
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}
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auto operator=(atomic &&) -> atomic & = default;
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auto operator=(data_t data) -> atomic & {
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if (&data == &data_) {
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return *this;
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}
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store(std::move(data));
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return *this;
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}
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[[nodiscard]] auto operator==(const atomic &at_data) const -> bool {
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if (&at_data == this) {
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return true;
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}
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mutex_lock lock(*mtx_);
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return at_data.load() == data_;
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}
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[[nodiscard]] auto operator==(const data_t &data) const -> bool {
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if (&data == &data_) {
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return true;
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}
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mutex_lock lock(*mtx_);
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return data == data_;
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}
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[[nodiscard]] auto operator!=(const atomic &at_data) const -> bool {
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if (&at_data == this) {
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return false;
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}
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mutex_lock lock(*mtx_);
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return at_data.load() != data_;
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}
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[[nodiscard]] auto operator!=(const data_t &data) const -> bool {
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if (&data == &data_) {
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return false;
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}
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mutex_lock lock(*mtx_);
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return data != data_;
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}
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[[nodiscard]] operator data_t() const { return load(); }
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};
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} // namespace repertory::utils
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#endif // REPERTORY_INCLUDE_UTILS_ATOMIC_HPP_
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