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syncs, all: move to using Go's new atomic types instead of ours

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Fixes #5185

Change-Id: I850dd532559af78c3895e2924f8237ccc328449d
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2022-08-03 21:51:02 -07:00
committed by Brad Fitzpatrick
parent 9bb5a038e5
commit 4950fe60bd
20 changed files with 101 additions and 143 deletions
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9
control/controlknobs/controlknobs.go
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@@ -7,12 +7,13 @@
package controlknobs
import (
"sync/atomic"
"tailscale.com/envknob"
"tailscale.com/syncs"
)
// disableUPnP indicates whether to attempt UPnP mapping.
var disableUPnP syncs.AtomicBool
var disableUPnP atomic.Bool
func init() {
SetDisableUPnP(envknob.Bool("TS_DISABLE_UPNP"))
@@ -21,11 +22,11 @@ func init() {
// DisableUPnP reports the last reported value from control
// whether UPnP portmapping should be disabled.
func DisableUPnP() bool {
return disableUPnP.Get()
return disableUPnP.Load()
}
// SetDisableUPnP sets whether control says that UPnP should be
// disabled.
func SetDisableUPnP(v bool) {
disableUPnP.Set(v)
disableUPnP.Store(v)
}