1// Copyright 2018 The Prometheus Authors 2// Licensed under the Apache License, Version 2.0 (the "License"); 3// you may not use this file except in compliance with the License. 4// You may obtain a copy of the License at 5// 6// http://www.apache.org/licenses/LICENSE-2.0 7// 8// Unless required by applicable law or agreed to in writing, software 9// distributed under the License is distributed on an "AS IS" BASIS, 10// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 11// See the License for the specific language governing permissions and 12// limitations under the License. 13 14package procfs 15 16import ( 17 "github.com/prometheus/procfs/internal/fs" 18) 19 20// FS represents the pseudo-filesystem sys, which provides an interface to 21// kernel data structures. 22type FS struct { 23 proc fs.FS 24} 25 26// DefaultMountPoint is the common mount point of the proc filesystem. 27const DefaultMountPoint = fs.DefaultProcMountPoint 28 29// NewDefaultFS returns a new proc FS mounted under the default proc mountPoint. 30// It will error if the mount point directory can't be read or is a file. 31func NewDefaultFS() (FS, error) { 32 return NewFS(DefaultMountPoint) 33} 34 35// NewFS returns a new proc FS mounted under the given proc mountPoint. It will error 36// if the mount point directory can't be read or is a file. 37func NewFS(mountPoint string) (FS, error) { 38 fs, err := fs.NewFS(mountPoint) 39 if err != nil { 40 return FS{}, err 41 } 42 return FS{fs}, nil 43} 44