Исходники и презентации

lessons/sync_primitives/mutex_with_local_values/main.go

@@ -0,0 +1,31 @@
+package main
+
+import (
+	"log"
+	"sync"
+)
+
+// Need to show solution
+
+func main() {
+	mutex := sync.Mutex{}
+	wg := sync.WaitGroup{}
+	wg.Add(1000)
+
+	for i := 0; i < 10; i++ {
+		go func() {
+			defer wg.Done()
+
+			value := 0
+			for j := 0; j < 10; j++ {
+				mutex.Lock()
+				value++
+				mutex.Unlock()
+			}
+
+			log.Println(value)
+		}()
+	}
+
+	wg.Wait()
+}