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fix:(loader) add mutex lock for registerModule (#388)
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AsterDY authored Mar 20, 2023
1 parent 114b816 commit ddd5cd6
Showing 1 changed file with 9 additions and 4 deletions.
13 changes: 9 additions & 4 deletions loader/stubs.go
Original file line number Diff line number Diff line change
@@ -1,12 +1,12 @@
/**
* Copyright 2023 ByteDance 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.
Expand All @@ -17,16 +17,21 @@
package loader

import (
_ `unsafe`
`sync`
_ `unsafe`
)

//go:linkname lastmoduledatap runtime.lastmoduledatap
//goland:noinspection GoUnusedGlobalVariable
var lastmoduledatap *moduledata

var moduledataMux sync.Mutex

func registerModule(mod *moduledata) {
moduledataMux.Lock()
lastmoduledatap.next = mod
lastmoduledatap = mod
moduledataMux.Unlock()
}

//go:linkname moduledataverify1 runtime.moduledataverify1
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