github.com/SagerNet/gvisor@v0.0.0-20210707092255-7731c139d75c/pkg/sentry/fsimpl/cgroupfs/cpuset.go (about)

     1  // Copyright 2021 The gVisor Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package cgroupfs
    16  
    17  import (
    18  	"github.com/SagerNet/gvisor/pkg/context"
    19  	"github.com/SagerNet/gvisor/pkg/sentry/fsimpl/kernfs"
    20  	"github.com/SagerNet/gvisor/pkg/sentry/kernel/auth"
    21  )
    22  
    23  // +stateify savable
    24  type cpusetController struct {
    25  	controllerCommon
    26  }
    27  
    28  var _ controller = (*cpusetController)(nil)
    29  
    30  func newCPUSetController(fs *filesystem) *cpusetController {
    31  	c := &cpusetController{}
    32  	c.controllerCommon.init(controllerCPUSet, fs)
    33  	return c
    34  }
    35  
    36  // AddControlFiles implements controller.AddControlFiles.
    37  func (c *cpusetController) AddControlFiles(ctx context.Context, creds *auth.Credentials, _ *cgroupInode, contents map[string]kernfs.Inode) {
    38  	// This controller is currently intentionally empty.
    39  }