53 lines
1.4 KiB
Go
53 lines
1.4 KiB
Go
// Copyright 2018 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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package epoll
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import (
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"gvisor.dev/gvisor/pkg/refs"
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"gvisor.dev/gvisor/pkg/waiter"
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)
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// afterLoad is invoked by stateify.
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func (p *pollEntry) afterLoad() {
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p.waiter = waiter.Entry{Callback: &readyCallback{}}
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p.waiter.Context = p
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p.file = refs.NewWeakRef(p.id.File, p)
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p.id.File.EventRegister(&p.waiter, p.mask)
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}
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// afterLoad is invoked by stateify.
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func (e *EventPoll) afterLoad() {
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e.listsMu.Lock()
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defer e.listsMu.Unlock()
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for _, ls := range []*pollEntryList{&e.waitingList, &e.readyList, &e.disabledList} {
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for it := ls.Front(); it != nil; it = it.Next() {
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it.curList = ls
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}
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}
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for it := e.waitingList.Front(); it != nil; {
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entry := it
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it = it.Next()
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if entry.id.File.Readiness(entry.mask) != 0 {
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e.waitingList.Remove(entry)
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e.readyList.PushBack(entry)
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entry.curList = &e.readyList
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e.Notify(waiter.EventIn)
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}
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}
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}
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