Исходники и презентации

lessons/sync_primitives/rlocker/main.go

@@ -0,0 +1,25 @@
+package main
+
+import "sync"
+
+func withLock(mutex sync.Locker, action func()) {
+	if action == nil {
+		return
+	}
+
+	mutex.Lock()
+	defer mutex.Unlock()
+
+	action()
+}
+
+func main() {
+	mutex := sync.RWMutex{}
+	withLock(&mutex, func() {
+		// write lock
+	})
+
+	withLock(mutex.RLocker(), func() {
+		// read lock
+	})
+}