Instance Methodswift-nio 2.81.0_NIOFileSystem->SystemPackage
open(atPath:mode:options:permissions:retryOnInterrupt:)
Opens or creates a file for reading or writing.
This declaration is gated by at least one @_spi attribute.
func open(atPath path: FilePath, mode: FileDescriptor.AccessMode, options: FileDescriptor.OpenOptions, permissions: FilePermissions?, retryOnInterrupt: Bool = true) -> Result<FileDescriptor, Errno> Parameters
- path
The location of the file to open. If the path is relative then the file is opened relative to the descriptor.
- mode
The read and write access to use.
- options
The behavior for opening the file.
- permissions
The file permissions to use for created files.
- retryOnInterrupt
Whether to retry the operation if it throws
Errno.interrupted. The default is true. Pass false to try only once and throw an error upon interruption.
Returns
A file descriptor for the open file.
The corresponding C function is fdopenat.