NewFile returns a new File with the given file descriptor and
name. The returned value will be nil if fd is not a valid file
descriptor. On Unix systems, if the file descriptor is in
non-blocking mode, NewFile will attempt to return a pollable File
(one for which the SetDeadline methods work).
After passing it to NewFile, fd may become invalid under the same
conditions described in the comments of the Fd method, and the same
constraints apply.
NewFile returns a new File with the given file descriptor and name. The returned value will be nil if fd is not a valid file descriptor. On Unix systems, if the file descriptor is in non-blocking mode, NewFile will attempt to return a pollable File (one for which the SetDeadline methods work).
After passing it to NewFile, fd may become invalid under the same conditions described in the comments of the Fd method, and the same constraints apply.