Instance Methodswift 6.0.3Dispatch
read(offset:length:queue:ioHandler:)
func read(offset: off_t, length: Int, queue: DispatchQueue, ioHandler: @escaping (Bool, DispatchData?, Int32) -> Void) func read(offset: off_t, length: Int, queue: DispatchQueue, ioHandler: @escaping (Bool, DispatchData?, Int32) -> Void) s8Dispatch0A2IOC4read6offset6length5queue9ioHandlerySi_SiAA0A5QueueCySb_AA0A4DataVSgs5Int32VtctF What are these?1HBH3import Dispatchclass DispatchIO@frozen struct IntA signed integer value type.
class DispatchQueue@frozen struct BoolA value type whose instances are either true or false.
struct DispatchData@frozen struct Int32A 32-bit signed integer value type.
typealias Void = ()The return type of functions that don’t explicitly specify a return type, that is, an empty tuple ().
convenience init(type: DispatchIO.StreamType, fileDescriptor: dispatch_fd_t, queue: DispatchQueue, cleanupHandler: @escaping (Int32) -> Void) convenience init(type: DispatchIO.StreamType, io: DispatchIO, queue: DispatchQueue, cleanupHandler: @escaping (Int32) -> Void) convenience init?(type: DispatchIO.StreamType, path: UnsafePointer<Int8>, oflag: Int32, mode: mode_t, queue: DispatchQueue, cleanupHandler: @escaping (Int32) -> Void) class func read(fromFileDescriptor: Int32, maxLength: Int, runningHandlerOn queue: DispatchQueue, handler: @escaping (DispatchData, Int32) -> Void) class func write(toFileDescriptor: Int32, data: DispatchData, runningHandlerOn queue: DispatchQueue, handler: @escaping (DispatchData?, Int32) -> Void) var fileDescriptor: Int32 { get }func barrier(execute: @escaping () -> ()) func close(flags: DispatchIO.CloseFlags = []) func setInterval(interval: DispatchTimeInterval, flags: DispatchIO.IntervalFlags = []) func setLimit(highWater: Int) func setLimit(lowWater: Int) func write(offset: off_t, data: DispatchData, queue: DispatchQueue, ioHandler: @escaping (Bool, DispatchData?, Int32) -> Void) struct CloseFlagsstruct IntervalFlagsenum StreamTypeconvenience init(type: DispatchIO.StreamType, path: UnsafePointer<Int8>, oflag: Int32, mode: mode_t, queue: DispatchQueue, cleanupHandler: @escaping (Int32) -> Void)