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