linux-support 0.0.25

Comprehensive Linux support for namespaces, cgroups, processes, scheduling, parsing /proc, parsing /sys, signals, hyper threads, CPUS, NUMA nodes, unusual file descriptors, PCI devices and much, much more
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// Copyright © 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 in a terminal.
#[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub enum TerminalSettingsError
{
	/// Not a terminal.
	NotATerminal(Errno),

	/// Could not set terminal attributes.
	CouldNotSetTerminalAttributes(Errno),
}

impl Display for TerminalSettingsError
{
	#[inline(always)]
	fn fmt(&self, f: &mut Formatter) -> fmt::Result
	{
		<TerminalSettingsError as Debug>::fmt(self, f)
	}
}

impl error::Error for TerminalSettingsError
{
	#[inline(always)]
	fn source(&self) ->  Option<&(dyn error::Error + 'static)>
	{
		use self::TerminalSettingsError::*;

		match self
		{
			NotATerminal(_) => None,

			CouldNotSetTerminalAttributes(_) => None,
		}
	}
}