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- // Copyright 2018 The Prometheus 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.
-
- //go:build !netbsd && !openbsd && !solaris && !windows && !nostatfs
- // +build !netbsd,!openbsd,!solaris,!windows,!nostatfs
-
- package procfs
-
- import (
- "syscall"
- )
-
- // isRealProc determines whether supplied mountpoint is really a proc filesystem.
- func isRealProc(mountPoint string) (bool, error) {
- stat := syscall.Statfs_t{}
- err := syscall.Statfs(mountPoint, &stat)
- if err != nil {
- return false, err
- }
-
- // 0x9fa0 is PROC_SUPER_MAGIC: https://elixir.bootlin.com/linux/v6.1/source/include/uapi/linux/magic.h#L87
- return stat.Type == 0x9fa0, nil
- }
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