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f62a4a77d5
Starting with Go 1.21, build tags select the language version. We currently have several `go:build go1.1` tags, which were intended to act as "true" tags. But that will break with 1.21. So replace them with "!false". Fixes #9568. PiperOrigin-RevId: 576020779
51 lines
1.4 KiB
Go
51 lines
1.4 KiB
Go
// Copyright 2021 The gVisor Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//go:build !false
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// +build !false
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package kernel
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// pidNamespaceData may contain extra per-PID-namespace data.
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// +stateify savable
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type pidNamespaceData struct {
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}
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// newPIDNamespaceData returns a new `pidNamespaceData` struct.
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func newPIDNamespaceData() pidNamespaceData {
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return pidNamespaceData{}
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}
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// addTask adds a Task into this PIDNamespace.
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// It is always performed under TaskSet lock.
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func (ns *PIDNamespace) addTask(t *Task, tid ThreadID) error {
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ns.tasks[tid] = t
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ns.tids[t] = tid
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if t.tg.leader == nil {
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// New thread group.
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ns.tgids[t.tg] = tid
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}
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return nil
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}
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// deleteTask deletes a Task from this PIDNamespace.
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// It is always performed under TaskSet lock.
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func (ns *PIDNamespace) deleteTask(t *Task) {
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delete(ns.tasks, ns.tids[t])
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delete(ns.tids, t)
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if t == t.tg.leader || t.tg.leader == nil {
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delete(ns.tgids, t.tg)
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}
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}
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