use channel to communicate instead of sync/atomic

main.go

@@ -9,7 +9,6 @@ import (
 	"os/signal"
 	"strings"
 	"sync"
-	"sync/atomic"
 	"syscall"
 	"time"
 )
@@ -37,7 +36,8 @@ func main() {
 		_ = cmd.Run()
 	}()
 
-	var isScreenSaverActive uint32
+	screenSaverCh := make(chan bool, 1)
+	defer close(screenSaverCh)
 	wg.Add(1)
 	go func() {
 		defer wg.Done()
@@ -55,9 +55,9 @@ func main() {
 					continue
 				}
 				if strings.Contains(scanner.Text(), "boolean true") {
-					atomic.StoreUint32(&isScreenSaverActive, 1)
+					screenSaverCh <- true
 				} else {
-					atomic.StoreUint32(&isScreenSaverActive, 0)
+					screenSaverCh <- false
 				}
 			}
 		}
@@ -67,14 +67,17 @@ func main() {
 	go func() {
 		defer wg.Done()
 
-		ticker := time.NewTicker(25 * time.Minute)
+		isScreenSaverActive := false
+		ticker := time.NewTicker(30 * time.Minute)
 		defer ticker.Stop()
 		for {
 			select {
 			case <-ctx.Done():
 				return
+			case b := <-screenSaverCh:
+				isScreenSaverActive = b
 			case <-ticker.C:
-				if atomic.LoadUint32(&isScreenSaverActive) == 1 {
+				if isScreenSaverActive {
 					continue
 				}
 				_ = sendNotification(ctx)