initial import

core/threading/routinegroup.go

@@ -0,0 +1,37 @@
+package threading
+
+import "sync"
+
+type RoutineGroup struct {
+	waitGroup sync.WaitGroup
+}
+
+func NewRoutineGroup() *RoutineGroup {
+	return new(RoutineGroup)
+}
+
+// Don't reference the variables from outside,
+// because outside variables can be changed by other goroutines
+func (g *RoutineGroup) Run(fn func()) {
+	g.waitGroup.Add(1)
+
+	go func() {
+		defer g.waitGroup.Done()
+		fn()
+	}()
+}
+
+// Don't reference the variables from outside,
+// because outside variables can be changed by other goroutines
+func (g *RoutineGroup) RunSafe(fn func()) {
+	g.waitGroup.Add(1)
+
+	GoSafe(func() {
+		defer g.waitGroup.Done()
+		fn()
+	})
+}
+
+func (g *RoutineGroup) Wait() {
+	g.waitGroup.Wait()
+}