blob: 78737f58f8eb8f59b9dde72e8c6fc4fe97bafbbc (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
// Copyright 2018 Google Inc.
//
// 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 kernel
import (
"gvisor.googlesource.com/gvisor/pkg/sentry/kernel/semaphore"
)
// IPCNamespace represents an IPC namespace.
type IPCNamespace struct {
semaphores *semaphore.Registry
}
// NewIPCNamespace creates a new IPC namespace.
func NewIPCNamespace() *IPCNamespace {
return &IPCNamespace{
semaphores: semaphore.NewRegistry(),
}
}
// SemaphoreRegistry returns the semanphore set registry for this namespace.
func (i *IPCNamespace) SemaphoreRegistry() *semaphore.Registry {
return i.semaphores
}
// IPCNamespace returns the task's IPC namespace.
func (t *Task) IPCNamespace() *IPCNamespace {
t.mu.Lock()
defer t.mu.Unlock()
return t.ipcns
}
|
