29 lines
1.0 KiB
Swift
29 lines
1.0 KiB
Swift
//===----------------------------------------------------------------------===//
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//
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// This source file is part of the SwiftNIO open source project
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//
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// Copyright (c) 2017-2018 Apple Inc. and the SwiftNIO project authors
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// Licensed under Apache License v2.0
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//
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// See LICENSE.txt for license information
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// See CONTRIBUTORS.txt for the list of SwiftNIO project authors
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//
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// SPDX-License-Identifier: Apache-2.0
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//
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//===----------------------------------------------------------------------===//
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/// Represents a selectable resource which can be registered to a `Selector` to be notified once there are some events ready for it.
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///
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/// - warning: `Selectable`s are not thread-safe, only to be used on the appropriate `EventLoop`.
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protocol Selectable {
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/// The file descriptor itself.
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var descriptor: Int32 { get }
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/// `true` if this `Selectable` is open (which means it was not closed yet).
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var open: Bool { get }
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/// Close this `Selectable` (and so its `descriptor`).
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func close() throws
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}
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