//===----------------------------------------------------------------------===//
// Copyright © 2026 Apple Inc. and the Containerization project authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//   https://www.apache.org/licenses/LICENSE-2.0
//
// 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.
//===----------------------------------------------------------------------===//

#if os(Linux)

protocol IOCloser: Sendable {
    var fileDescriptor: Int32 { get }

    func close() throws
}

struct UnownedIOCloser: IOCloser {
    private let inner: IOCloser

    var fileDescriptor: Int32 { inner.fileDescriptor }

    init(_ inner: IOCloser) {
        self.inner = inner
    }

    func close() throws {}
}

#endif