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Diffstat (limited to 'vendor/go.uber.org/automaxprocs/internal/cgroups/subsys.go')
-rw-r--r--vendor/go.uber.org/automaxprocs/internal/cgroups/subsys.go103
1 files changed, 0 insertions, 103 deletions
diff --git a/vendor/go.uber.org/automaxprocs/internal/cgroups/subsys.go b/vendor/go.uber.org/automaxprocs/internal/cgroups/subsys.go
deleted file mode 100644
index cddc3eaec..000000000
--- a/vendor/go.uber.org/automaxprocs/internal/cgroups/subsys.go
+++ /dev/null
@@ -1,103 +0,0 @@
-// Copyright (c) 2017 Uber Technologies, Inc.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
-
-//go:build linux
-// +build linux
-
-package cgroups
-
-import (
- "bufio"
- "os"
- "strconv"
- "strings"
-)
-
-const (
- _cgroupSep = ":"
- _cgroupSubsysSep = ","
-)
-
-const (
- _csFieldIDID = iota
- _csFieldIDSubsystems
- _csFieldIDName
- _csFieldCount
-)
-
-// CGroupSubsys represents the data structure for entities in
-// `/proc/$PID/cgroup`. See also proc(5) for more information.
-type CGroupSubsys struct {
- ID int
- Subsystems []string
- Name string
-}
-
-// NewCGroupSubsysFromLine returns a new *CGroupSubsys by parsing a string in
-// the format of `/proc/$PID/cgroup`
-func NewCGroupSubsysFromLine(line string) (*CGroupSubsys, error) {
- fields := strings.SplitN(line, _cgroupSep, _csFieldCount)
-
- if len(fields) != _csFieldCount {
- return nil, cgroupSubsysFormatInvalidError{line}
- }
-
- id, err := strconv.Atoi(fields[_csFieldIDID])
- if err != nil {
- return nil, err
- }
-
- cgroup := &CGroupSubsys{
- ID: id,
- Subsystems: strings.Split(fields[_csFieldIDSubsystems], _cgroupSubsysSep),
- Name: fields[_csFieldIDName],
- }
-
- return cgroup, nil
-}
-
-// parseCGroupSubsystems parses procPathCGroup (usually at `/proc/$PID/cgroup`)
-// and returns a new map[string]*CGroupSubsys.
-func parseCGroupSubsystems(procPathCGroup string) (map[string]*CGroupSubsys, error) {
- cgroupFile, err := os.Open(procPathCGroup)
- if err != nil {
- return nil, err
- }
- defer cgroupFile.Close()
-
- scanner := bufio.NewScanner(cgroupFile)
- subsystems := make(map[string]*CGroupSubsys)
-
- for scanner.Scan() {
- cgroup, err := NewCGroupSubsysFromLine(scanner.Text())
- if err != nil {
- return nil, err
- }
- for _, subsys := range cgroup.Subsystems {
- subsystems[subsys] = cgroup
- }
- }
-
- if err := scanner.Err(); err != nil {
- return nil, err
- }
-
- return subsystems, nil
-}