wireguard-go/tun/wintun/registryhacks_windows.go

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/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2019 WireGuard LLC. All Rights Reserved.
*/
package wintun
import (
"golang.org/x/sys/windows/registry"
"time"
)
const (
numRetries = 50
retryTimeout = 100 * time.Millisecond
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)
func registryOpenKeyRetry(k registry.Key, path string, access uint32) (key registry.Key, err error) {
for i := 0; i < numRetries; i++ {
key, err = registry.OpenKey(k, path, access)
if err == nil {
break
}
if i != numRetries-1 {
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time.Sleep(retryTimeout)
}
}
return
}
func keyGetStringValueRetry(k registry.Key, name string) (val string, valtype uint32, err error) {
for i := 0; i < numRetries; i++ {
val, valtype, err = k.GetStringValue(name)
if err == nil {
break
}
if i != numRetries-1 {
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time.Sleep(retryTimeout)
}
}
return
}