60 lines
1.7 KiB
Go
60 lines
1.7 KiB
Go
// +build !windows
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/*
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Copyright The containerd Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package os
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import (
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"github.com/containerd/containerd/mount"
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"golang.org/x/sys/unix"
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)
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// UNIX collects unix system level operations that need to be
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// mocked out during tests.
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type UNIX interface {
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Mount(source string, target string, fstype string, flags uintptr, data string) error
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Unmount(target string) error
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LookupMount(path string) (mount.Info, error)
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}
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// Mount will call unix.Mount to mount the file.
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func (RealOS) Mount(source string, target string, fstype string, flags uintptr, data string) error {
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return unix.Mount(source, target, fstype, flags, data)
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}
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// Unmount will call Unmount to unmount the file.
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func (RealOS) Unmount(target string) error {
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return Unmount(target)
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}
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// LookupMount gets mount info of a given path.
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func (RealOS) LookupMount(path string) (mount.Info, error) {
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return mount.Lookup(path)
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}
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// Unmount unmounts the target. It does not return an error in case the target is not mounted.
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// In case the target does not exist, the appropriate error is returned.
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func Unmount(target string) error {
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err := unix.Unmount(target, unix.MNT_DETACH)
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if err == unix.EINVAL {
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// ignore "not mounted" error
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err = nil
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}
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return err
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}
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