all: Use new Go 1.19 atomic types (#8772)

cmd/strelaysrv/main.go

@@ -49,7 +49,7 @@ var (
 
 	sessionLimitBps   int
 	globalLimitBps    int
-	overLimit         int32
+	overLimit         atomic.Bool
 	descriptorLimit   int64
 	sessionLimiter    *rate.Limiter
 	globalLimiter     *rate.Limiter
@@ -308,10 +308,10 @@ func main() {
 func monitorLimits() {
 	limitCheckTimer = time.NewTimer(time.Minute)
 	for range limitCheckTimer.C {
-		if atomic.LoadInt64(&numConnections)+atomic.LoadInt64(&numProxies) > descriptorLimit {
-			atomic.StoreInt32(&overLimit, 1)
+		if numConnections.Load()+numProxies.Load() > descriptorLimit {
+			overLimit.Store(true)
 			log.Println("Gone past our connection limits. Starting to refuse new/drop idle connections.")
-		} else if atomic.CompareAndSwapInt32(&overLimit, 1, 0) {
+		} else if overLimit.CompareAndSwap(true, false) {
 			log.Println("Dropped below our connection limits. Accepting new connections.")
 		}
 		limitCheckTimer.Reset(time.Minute)