mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-12-04 22:36:34 +00:00
57dc742c76
Bumps [github.com/KimMachineGun/automemlimit](https://github.com/KimMachineGun/automemlimit) from 0.2.4 to 0.2.5. - [Release notes](https://github.com/KimMachineGun/automemlimit/releases) - [Commits](https://github.com/KimMachineGun/automemlimit/compare/v0.2.4...v0.2.5) --- updated-dependencies: - dependency-name: github.com/KimMachineGun/automemlimit dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
73 lines
1.8 KiB
Go
73 lines
1.8 KiB
Go
/*
|
|
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 cgroup1
|
|
|
|
import (
|
|
"bufio"
|
|
"fmt"
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
)
|
|
|
|
// Default returns all the groups in the default cgroups mountpoint in a single hierarchy
|
|
func Default() ([]Subsystem, error) {
|
|
root, err := v1MountPoint()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
subsystems, err := defaults(root)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
var enabled []Subsystem
|
|
for _, s := range pathers(subsystems) {
|
|
// check and remove the default groups that do not exist
|
|
if _, err := os.Lstat(s.Path("/")); err == nil {
|
|
enabled = append(enabled, s)
|
|
}
|
|
}
|
|
return enabled, nil
|
|
}
|
|
|
|
// v1MountPoint returns the mount point where the cgroup
|
|
// mountpoints are mounted in a single hiearchy
|
|
func v1MountPoint() (string, error) {
|
|
f, err := os.Open("/proc/self/mountinfo")
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
defer f.Close()
|
|
scanner := bufio.NewScanner(f)
|
|
for scanner.Scan() {
|
|
var (
|
|
text = scanner.Text()
|
|
fields = strings.Split(text, " ")
|
|
numFields = len(fields)
|
|
)
|
|
if numFields < 10 {
|
|
return "", fmt.Errorf("mountinfo: bad entry %q", text)
|
|
}
|
|
if fields[numFields-3] == "cgroup" {
|
|
return filepath.Dir(fields[4]), nil
|
|
}
|
|
}
|
|
if err := scanner.Err(); err != nil {
|
|
return "", err
|
|
}
|
|
return "", ErrMountPointNotExist
|
|
}
|