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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// -*- mode: C++ -*-
//
// Copyright 2022 Google LLC
//
// Licensed under the Apache License v2.0 with LLVM Exceptions (the
// "License"); you may not use this file except in compliance with the
// License. You may obtain a copy of the License at
//
// https://llvm.org/LICENSE.txt
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Author: Aleksei Vetrov
// Author: Matthias Maennich
#ifndef STG_FILE_DESCRIPTOR_H_
#define STG_FILE_DESCRIPTOR_H_
#include <sys/stat.h> // for mode_t
#include <utility>
namespace stg {
// RAII wrapper over file descriptor
class FileDescriptor {
public:
FileDescriptor() = default;
FileDescriptor(const char* filename, int flags, mode_t mode = 0);
FileDescriptor(const FileDescriptor&) = delete;
FileDescriptor& operator=(const FileDescriptor&) = delete;
FileDescriptor(FileDescriptor&& other) noexcept {
std::swap(fd_, other.fd_);
}
FileDescriptor& operator=(FileDescriptor&& other) = delete;
~FileDescriptor() noexcept(false);
int Value() const;
private:
int fd_ = -1;
};
} // namespace stg
#endif // STG_FILE_DESCRIPTOR_H_
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