Struct DirectFcntlCmd

pub struct DirectFcntlCmd<Arg: AsRawV, Result: FromFcntlResult> { /* private fields */ }

Implementation of FcntlCmd with a fixed cmd value and passing the arg directly through to the underlying system call.

Trait Implementations

impl<'a, Arg: AsRawV, Result: FromFcntlResult> FcntlCmd<'a> for DirectFcntlCmd<Arg, Result>

type ExtArg = Arg where Self: 'a

The type that the caller will provide when using this fcntl command.

type RawArg = Arg

The type of argument that will be passed to the raw system call.

type Result = Result

The type of the result of the fcntl call.

fn prepare_fcntl_args(&self, arg: Arg) -> (int, Self::RawArg)

Prepare the cmd and arg values for a fcntl system call.

fn prepare_fcntl_result(&self, raw: int) -> Self::Result

Prepare a raw successful result from a fcntl call to be returned.