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// Copyright 2021 Intel Corporation. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// This module provides the native implementation of the filesystem
// interface (fsi).
package cgroups
import (
"os"
"path/filepath"
)
type fsOs struct{}
type osFile struct {
file *os.File
}
func newFsiOS() fsiIface {
return fsOs{}
}
func (fsOs) OpenFile(name string, flag int, perm os.FileMode) (fileIface, error) {
f, err := os.OpenFile(name, flag, perm)
return osFile{f}, err
}
func (fsOs) Open(name string) (fileIface, error) {
f, err := os.Open(name)
return osFile{f}, err
}
func (fsOs) Lstat(name string) (os.FileInfo, error) {
return os.Lstat(name)
}
func (fsOs) Walk(root string, walkFn filepath.WalkFunc) error {
return filepath.Walk(root, walkFn)
}
func (osf osFile) Write(b []byte) (n int, err error) {
return osf.file.Write(b)
}
func (osf osFile) Read(b []byte) (n int, err error) {
return osf.file.Read(b)
}
func (osf osFile) Close() error {
return osf.file.Close()
}
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