35 lines
957 B
Go
35 lines
957 B
Go
// +build linux
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/*
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Copyright 2021 The Kubernetes Authors All rights reserved.
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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 oci
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import (
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"syscall"
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"golang.org/x/sys/unix"
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)
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// IsCgroup2UnifiedMode returns whether we are running in cgroup 2 cgroup2 mode.
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func IsCgroup2UnifiedMode() (bool, error) {
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var st syscall.Statfs_t
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if err := syscall.Statfs("/sys/fs/cgroup", &st); err != nil {
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return false, err
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}
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return st.Type == unix.CGROUP2_SUPER_MAGIC, nil
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}
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