1// Copyright 2019 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 "strings" 18 19 "github.com/prometheus/procfs/internal/util" 20) 21 22// Environ reads process environments from /proc/<pid>/environ 23func (p Proc) Environ() ([]string, error) { 24 environments := make([]string, 0) 25 26 data, err := util.ReadFileNoStat(p.path("environ")) 27 if err != nil { 28 return environments, err 29 } 30 31 environments = strings.Split(string(data), "\000") 32 if len(environments) > 0 { 33 environments = environments[:len(environments)-1] 34 } 35 36 return environments, nil 37} 38