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// This file is part of file-descriptors. It is subject to the license terms in the COPYRIGHT file found in the top-level directory of this distribution and at https://raw.githubusercontent.com/lemonrock/file-descriptors/master/COPYRIGHT. No part of file-descriptors, including this file, may be copied, modified, propagated, or distributed except according to the terms contained in the COPYRIGHT file.
// Copyright © 2018-2019 The developers of file-descriptors. See the COPYRIGHT file in the top-level directory of this distribution and at https://raw.githubusercontent.com/lemonrock/file-descriptors/master/COPYRIGHT.
/// An error that can occur during receive of file descriptors.
#[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub enum ReceiveFileDescriptorsError
{
/// A read error that might be possible to handle.
Read(StructReadError),
/// More than one ancillary message header was received.
MoreThanOneHeader,
/// A received ancillary message was not for `SOL_SOCKET`.
WasNotSocketLevelPosixMessage,
/// A received ancillary message was not for `SCM_RIGHTS`.
WasNotScmRights,
}
impl Display for ReceiveFileDescriptorsError
{
#[inline(always)]
fn fmt(&self, f: &mut Formatter) -> fmt::Result
{
<ReceiveFileDescriptorsError as Debug>::fmt(self, f)
}
}
impl error::Error for ReceiveFileDescriptorsError
{
#[inline(always)]
fn source(&self) -> Option<&(dyn error::Error + 'static)>
{
use self::ReceiveFileDescriptorsError::*;
match self
{
&Read(ref error) => Some(error),
&MoreThanOneHeader => None,
&WasNotSocketLevelPosixMessage => None,
&WasNotScmRights => None,
}
}
}