mirror of
https://github.com/hanzoai/visor.git
synced 2026-09-24 17:04:14 +00:00
Rahat MahmoodandgVisor bot
d0c5abcfea
Add sentry control commands to read and write cgroup control values. PiperOrigin-RevId: 474663678
54 lines
1.5 KiB
Go
54 lines
1.5 KiB
Go
// Copyright 2021 The gVisor 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 cgroupfs
|
|
|
|
import (
|
|
"gvisor.dev/gvisor/pkg/atomicbitops"
|
|
"gvisor.dev/gvisor/pkg/context"
|
|
"gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs"
|
|
"gvisor.dev/gvisor/pkg/sentry/kernel"
|
|
"gvisor.dev/gvisor/pkg/sentry/kernel/auth"
|
|
)
|
|
|
|
// +stateify savable
|
|
type jobController struct {
|
|
controllerCommon
|
|
controllerStateless
|
|
controllerNoResource
|
|
|
|
id atomicbitops.Int64
|
|
}
|
|
|
|
var _ controller = (*jobController)(nil)
|
|
|
|
func newJobController(fs *filesystem) *jobController {
|
|
c := &jobController{}
|
|
c.controllerCommon.init(kernel.CgroupControllerJob, fs)
|
|
return c
|
|
}
|
|
|
|
// Clone implements controller.Clone.
|
|
func (c *jobController) Clone() controller {
|
|
new := &jobController{
|
|
id: atomicbitops.FromInt64(c.id.Load()),
|
|
}
|
|
new.controllerCommon.cloneFromParent(c)
|
|
return new
|
|
}
|
|
|
|
func (c *jobController) AddControlFiles(ctx context.Context, creds *auth.Credentials, _ *cgroupInode, contents map[string]kernfs.Inode) {
|
|
contents["job.id"] = c.fs.newStubControllerFile(ctx, creds, &c.id, true)
|
|
}
|