Descriptor.cpp

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/*
 * SNode.C - a slim toolkit for network communication
 * Copyright (C) Volker Christian <me@vchrist.at>
 *               2020, 2021, 2022, 2023, 2024, 2025
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
#include "core/Descriptor.h"
 
#ifndef DOXYGEN_SHOULD_SKIP_THIS
 
#include "core/system/unistd.h"
 
#include <utility>
 
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
 
namespace core {
 
    Descriptor::Descriptor(int fd)
        : fd(fd) {
    }
 
    Descriptor::Descriptor(Descriptor&& descriptor) noexcept {
        fd = std::exchange(descriptor.fd, -1);
    }
 
    Descriptor& Descriptor::operator=(Descriptor&& descriptor) noexcept {
        fd = std::exchange(descriptor.fd, -1);
 
        return *this;
    }
 
    Descriptor& Descriptor::operator=(int fd) {
        this->fd = fd;
 
        return *this;
    }
 
    Descriptor::~Descriptor() {
        if (fd >= 0) {
            core::system::close(fd);
            fd = -1;
        }
    }
 
    int Descriptor::getFd() const {
        return fd;
    }
 
} // namespace core