kata-containers/cgroups-rs
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Expose deletion error

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So that users can retry or do some aftercare.

Fixes: #18

Signed-off-by: Tim Zhang <tim@hyper.sh>
This commit is contained in:
Tim Zhang
2020-11-09 15:11:36 +08:00
parent 0f76570677
commit 121f78d8e8
3 changed files with 17 additions and 20 deletions
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4
src/error.rs
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@@ -19,6 +19,9 @@ pub enum ErrorKind {
/// An error occured while trying to read from a control group file.
ReadFailed,
/// An error occured while trying to remove a control group.
RemoveFailed,
/// An error occured while trying to parse a value from a control group file.
///
/// In the future, there will be some information attached to this field.
@@ -55,6 +58,7 @@ impl fmt::Display for Error {
ErrorKind::Common(s) => s.clone(),
ErrorKind::WriteFailed => "unable to write to a control group file".to_string(),
ErrorKind::ReadFailed => "unable to read a control group file".to_string(),
ErrorKind::RemoveFailed => "unable to remove a control group".to_string(),
ErrorKind::ParseError => "unable to parse control group file".to_string(),
ErrorKind::InvalidOperation => "the requested operation is invalid".to_string(),
ErrorKind::InvalidPath => "the given path is invalid".to_string(),