mirror of
https://github.com/apple/swift.git
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ccda8f33d1
Adds an explicit @escaping throughout the standard library, validation test suite, and tests. This will be necessary as soon as noescape is the default for closure parameters.
97 lines
3.5 KiB
Swift
97 lines
3.5 KiB
Swift
//===----------------------------------------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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public extension DispatchIO {
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public enum StreamType : UInt {
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case stream = 0
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case random = 1
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}
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public struct CloseFlags : OptionSet, RawRepresentable {
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public let rawValue: UInt
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public init(rawValue: UInt) { self.rawValue = rawValue }
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public static let stop = CloseFlags(rawValue: 1)
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}
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public struct IntervalFlags : OptionSet, RawRepresentable {
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public let rawValue: UInt
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public init(rawValue: UInt) { self.rawValue = rawValue }
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public init(nilLiteral: ()) { self.rawValue = 0 }
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public static let strictInterval = IntervalFlags(rawValue: 1)
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}
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public class func read(fromFileDescriptor: Int32, maxLength: Int, runningHandlerOn queue: DispatchQueue, handler: @escaping (data: DispatchData, error: Int32) -> Void) {
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__dispatch_read(fromFileDescriptor, maxLength, queue) { (data: __DispatchData, error: Int32) in
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handler(data: DispatchData(data: data), error: error)
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}
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}
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public class func write(toFileDescriptor: Int32, data: DispatchData, runningHandlerOn queue: DispatchQueue, handler: @escaping (data: DispatchData?, error: Int32) -> Void) {
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__dispatch_write(toFileDescriptor, data as __DispatchData, queue) { (data: __DispatchData?, error: Int32) in
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handler(data: data.flatMap { DispatchData(data: $0) }, error: error)
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}
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}
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public convenience init(
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type: StreamType,
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fileDescriptor: Int32,
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queue: DispatchQueue,
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cleanupHandler: @escaping (error: Int32) -> Void)
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{
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self.init(__type: type.rawValue, fd: fileDescriptor, queue: queue, handler: cleanupHandler)
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}
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public convenience init(
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type: StreamType,
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path: UnsafePointer<Int8>,
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oflag: Int32,
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mode: mode_t,
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queue: DispatchQueue,
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cleanupHandler: @escaping (error: Int32) -> Void)
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{
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self.init(__type: type.rawValue, path: path, oflag: oflag, mode: mode, queue: queue, handler: cleanupHandler)
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}
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public convenience init(
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type: StreamType,
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io: DispatchIO,
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queue: DispatchQueue,
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cleanupHandler: @escaping (error: Int32) -> Void)
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{
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self.init(__type: type.rawValue, io: io, queue: queue, handler: cleanupHandler)
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}
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public func read(offset: off_t, length: Int, queue: DispatchQueue, ioHandler: @escaping (done: Bool, data: DispatchData?, error: Int32) -> Void) {
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__dispatch_io_read(self, offset, length, queue) { (done: Bool, data: __DispatchData?, error: Int32) in
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ioHandler(done: done, data: data.flatMap { DispatchData(data: $0) }, error: error)
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}
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}
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public func write(offset: off_t, data: DispatchData, queue: DispatchQueue, ioHandler: @escaping (done: Bool, data: DispatchData?, error: Int32) -> Void) {
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__dispatch_io_write(self, offset, data as __DispatchData, queue) { (done: Bool, data: __DispatchData?, error: Int32) in
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ioHandler(done: done, data: data.flatMap { DispatchData(data: $0) }, error: error)
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}
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}
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public func setInterval(interval: DispatchTimeInterval, flags: IntervalFlags = []) {
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__dispatch_io_set_interval(self, interval.rawValue, flags.rawValue)
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}
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public func close(flags: CloseFlags = []) {
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__dispatch_io_close(self, flags.rawValue)
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}
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}
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