file_descriptor

A file descriptor.

It cannot be created directly.
This type is not available on Windows.

Functions

close(self)

Closes the file descriptor w/o waiting for the GC.

It can only be called once.

dup(self) → file_descriptor

Creates a new file descriptor that refers to the same open file description.

cap_get(self) → system.linux_capabilities

See cap_get_fd(3).

cap_set(self, caps: system.linux_capabilities)

See cap_set_fd(3).

Metamethods

__tostring()

Produces a string in the format "/dev/fd/%i" where "%i" is the integer value as seen by the OS.