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| author | 2023-04-03 11:16:17 +0200 | |
|---|---|---|
| committer | 2023-04-03 11:16:17 +0200 | |
| commit | 57dc742c76d7876a2457594715a7b5bc2c9a92bd (patch) | |
| tree | 76be1ec744face5bf4f617d4c9fca084707e4268 /vendor/github.com/containerd/cgroups/v3/cgroup1/freezer.go | |
| parent | [bugfix/frontend] Preload css styles (#1638) (diff) | |
| download | gotosocial-57dc742c76d7876a2457594715a7b5bc2c9a92bd.tar.xz | |
[chore]: Bump github.com/KimMachineGun/automemlimit from 0.2.4 to 0.2.5 (#1666)
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>
Diffstat (limited to 'vendor/github.com/containerd/cgroups/v3/cgroup1/freezer.go')
| -rw-r--r-- | vendor/github.com/containerd/cgroups/v3/cgroup1/freezer.go | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/vendor/github.com/containerd/cgroups/v3/cgroup1/freezer.go b/vendor/github.com/containerd/cgroups/v3/cgroup1/freezer.go new file mode 100644 index 000000000..05d9f6c27 --- /dev/null +++ b/vendor/github.com/containerd/cgroups/v3/cgroup1/freezer.go @@ -0,0 +1,82 @@ +/* + 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 ( + "os" + "path/filepath" + "strings" + "time" +) + +func NewFreezer(root string) *freezerController { + return &freezerController{ + root: filepath.Join(root, string(Freezer)), + } +} + +type freezerController struct { + root string +} + +func (f *freezerController) Name() Name { + return Freezer +} + +func (f *freezerController) Path(path string) string { + return filepath.Join(f.root, path) +} + +func (f *freezerController) Freeze(path string) error { + return f.waitState(path, Frozen) +} + +func (f *freezerController) Thaw(path string) error { + return f.waitState(path, Thawed) +} + +func (f *freezerController) changeState(path string, state State) error { + return os.WriteFile( + filepath.Join(f.root, path, "freezer.state"), + []byte(strings.ToUpper(string(state))), + defaultFilePerm, + ) +} + +func (f *freezerController) state(path string) (State, error) { + current, err := os.ReadFile(filepath.Join(f.root, path, "freezer.state")) + if err != nil { + return "", err + } + return State(strings.ToLower(strings.TrimSpace(string(current)))), nil +} + +func (f *freezerController) waitState(path string, state State) error { + for { + if err := f.changeState(path, state); err != nil { + return err + } + current, err := f.state(path) + if err != nil { + return err + } + if current == state { + return nil + } + time.Sleep(1 * time.Millisecond) + } +} |
