Исходники и презентации

lessons/sync_primitives/mutex_operations/main.go

@@ -0,0 +1,35 @@
+package main
+
+import "sync"
+
+func lockAnyTimes() {
+	mutex := sync.Mutex{}
+	mutex.Lock()
+	mutex.Lock()
+}
+
+func unlockWithoutLock() {
+	mutex := sync.Mutex{}
+	mutex.Unlock()
+}
+
+func unlockFromAnotherGoroutine() {
+	mutex := sync.Mutex{}
+	mutex.Lock()
+
+	wg := sync.WaitGroup{}
+	wg.Add(1)
+
+	go func() {
+		defer wg.Done()
+		mutex.Unlock()
+	}()
+
+	wg.Wait()
+
+	mutex.Lock()
+	mutex.Unlock()
+}
+
+func main() {
+}