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authorLibravatar dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>2023-04-03 11:16:17 +0200
committerLibravatar GitHub <noreply@github.com>2023-04-03 11:16:17 +0200
commit57dc742c76d7876a2457594715a7b5bc2c9a92bd (patch)
tree76be1ec744face5bf4f617d4c9fca084707e4268 /vendor/github.com/containerd/cgroups/v3/cgroup1/freezer.go
parent[bugfix/frontend] Preload css styles (#1638) (diff)
downloadgotosocial-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.go82
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)
+ }
+}