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fix:(loader) add mutex lock for registerModule (#388)

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Yi Duan 2023-03-20 21:10:22 +08:00 committed by GitHub
parent 114b8168d4
commit ddd5cd6c12
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1 changed files with 9 additions and 4 deletions
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13
loader/stubs.go
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@ -1,12 +1,12 @@
/** /**
* Copyright 2023 ByteDance Inc. * Copyright 2023 ByteDance Inc.
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License. * you may not use this file except in compliance with the License.
* You may obtain a copy of the License at * You may obtain a copy of the License at
* *
* http://www.apache.org/licenses/LICENSE-2.0 * http://www.apache.org/licenses/LICENSE-2.0
* *
* Unless required by applicable law or agreed to in writing, software * Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, * distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@ -17,16 +17,21 @@
package loader package loader
import ( import (
_ `unsafe` `sync`
_ `unsafe`
) )
//go:linkname lastmoduledatap runtime.lastmoduledatap //go:linkname lastmoduledatap runtime.lastmoduledatap
//goland:noinspection GoUnusedGlobalVariable //goland:noinspection GoUnusedGlobalVariable
var lastmoduledatap *moduledata var lastmoduledatap *moduledata
var moduledataMux sync.Mutex
func registerModule(mod *moduledata) { func registerModule(mod *moduledata) {
moduledataMux.Lock()
lastmoduledatap.next = mod lastmoduledatap.next = mod
lastmoduledatap = mod lastmoduledatap = mod
moduledataMux.Unlock()
} }
//go:linkname moduledataverify1 runtime.moduledataverify1 //go:linkname moduledataverify1 runtime.moduledataverify1