37 lines
939 B
Go
37 lines
939 B
Go
/*
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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 introspection
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import (
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"fmt"
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"os"
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"syscall"
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)
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func statPIDNS(pid int) (uint64, error) {
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f := fmt.Sprintf("/proc/%d/ns/pid", pid)
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st, err := os.Stat(f)
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if err != nil {
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return 0, err
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}
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stSys, ok := st.Sys().(*syscall.Stat_t)
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if !ok {
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return 0, fmt.Errorf("%T is not *syscall.Stat_t", st.Sys())
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}
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return stSys.Ino, nil
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}
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