Practice

mskKandula · Nov 3, 2023 · 265c262 · 265c262
1 parent ada07dc
commit 265c262
Showing 1 changed file with 39 additions and 0 deletions.
diff --git a/Locks/main.go b/Locks/main.go
@@ -0,0 +1,39 @@
+package main
+
+import (
+	"fmt"
+	"sync"
+	"time"
+)
+
+var (
+	count int64
+	wg    sync.WaitGroup
+)
+
+func inc() {
+	defer wg.Done()
+
+	count += 1
+
+}
+
+func dec() {
+	defer wg.Done()
+
+	count -= 1
+
+}
+
+func main() {
+	t1 := time.Now()
+
+	for i := 0; i < 10000000; i++ {
+		wg.Add(2)
+		go inc()
+		go dec()
+	}
+
+	wg.Wait()
+	fmt.Println(count, time.Since(t1))
+}