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// This file is part of linux-support. 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/linux-support/master/COPYRIGHT. No part of linux-support, including this file, may be copied, modified, propagated, or distributed except according to the terms contained in the COPYRIGHT file.
// Copyright © 2020 The developers of linux-support. See the COPYRIGHT file in the top-level directory of this distribution and at https://raw.githubusercontent.com/lemonrock/linux-support/master/COPYRIGHT.
/// IO Priority (ioprio or ionice) process error.
#[derive(Debug)]
pub enum ProcessIoPriorityConfigurationError
{
/// Could not set current real user io priority (permission was denied in some way).
CouldNotSetCurrentUserIoPriority(bool),
/// Could not set current process group user io priority (permission was denied in some way).
CouldNotSetCurrentProcessGroupIoPriority(bool),
/// Could not set current process user io priority (permission was denied in some way).
CouldNotSetCurrentProcessIoPriority(bool),
}
impl Display for ProcessIoPriorityConfigurationError
{
#[inline(always)]
fn fmt(&self, f: &mut Formatter) -> fmt::Result
{
Debug::fmt(self, f)
}
}
impl error::Error for ProcessIoPriorityConfigurationError
{
#[inline(always)]
fn source(&self) -> Option<&(dyn error::Error + 'static)>
{
use self::ProcessIoPriorityConfigurationError::*;
match self
{
&CouldNotSetCurrentUserIoPriority(..) => None,
&CouldNotSetCurrentProcessGroupIoPriority(..) => None,
&CouldNotSetCurrentProcessIoPriority(..) => None,
}
}
}