Исходники и презентации

lessons/channels/deadlock/main.go

@@ -0,0 +1,46 @@
+package main
+
+import (
+	"sync"
+)
+
+var actions int
+var mutex sync.Mutex
+var buffer chan struct{}
+
+func consumer() {
+	for i := 0; i < 1000; i++ {
+		mutex.Lock()
+		actions++
+		<-buffer
+		mutex.Unlock()
+	}
+}
+
+func producer() {
+	for i := 0; i < 1000; i++ {
+		buffer <- struct{}{}
+		mutex.Lock()
+		actions++
+		mutex.Unlock()
+	}
+}
+
+func main() {
+	wg := sync.WaitGroup{}
+	wg.Add(2)
+
+	buffer = make(chan struct{}, 1)
+
+	go func() {
+		defer wg.Done()
+		consumer()
+	}()
+
+	go func() {
+		defer wg.Done()
+		producer()
+	}()
+
+	wg.Wait()
+}