Instance Methodswift-nio 2.72.0NIOCore
duplicate
Duplicates this NIOFileHandle. This means that a new NIOFileHandle object with a new underlying file descriptor is returned. The caller takes ownership of the returned NIOFileHandle and is responsible for closing it.
func duplicate() throws -> NIOFileHandle Returns
A new NIOFileHandle with a fresh underlying file descriptor but shared seek pointer.
Other members in extension
Types
struct FlagsFlagsallows to specify additional flags toMode, such as permission for file creation.struct ModeModerepresents file access modes.
Type members
init(descriptor: CInt) Create a
NIOFileHandletaking ownership ofdescriptor. You must callNIOFileHandle.closeorNIOFileHandle.takeDescriptorOwnershipbefore this object can be safely released.init(path: String) throws Open a new
NIOFileHandle. This operation is blocking.init(path: String, mode: Mode, flags: Flags) throws Open a new
NIOFileHandle. This operation is blocking.
Instance members
var description: Stringvar isOpen: Boolfunc close() throws func takeDescriptorOwnership() throws -> CInt Take the ownership of the underlying file descriptor. This is similar to
close()but the underlying file descriptor remains open. The caller is responsible for closing the file descriptor by some other means.func withUnsafeFileDescriptor<T>((CInt) throws -> T) throws -> T