Исходники и презентации

lessons/goroutines_and_scheduler/never_exit/main.go

@@ -0,0 +1,33 @@
+package main
+
+import (
+	"log"
+	"time"
+)
+
+func task() {
+	for {
+		time.Sleep(time.Millisecond * 200)
+		panic("unexpected situation")
+	}
+}
+
+func NeverExit(name string, action func()) {
+	defer func() {
+		if v := recover(); v != nil {
+			log.Println(name, "is crashed - restarting...")
+			go NeverExit(name, action)
+		}
+	}()
+
+	if action != nil {
+		action()
+	}
+}
+
+func main() {
+	go NeverExit("first_goroutine", task)
+	go NeverExit("second_goroutine", task)
+
+	time.Sleep(time.Second)
+}