initial import

core/threading/workergroup.go

@@ -0,0 +1,21 @@
+package threading
+
+type WorkerGroup struct {
+	job     func()
+	workers int
+}
+
+func NewWorkerGroup(job func(), workers int) WorkerGroup {
+	return WorkerGroup{
+		job:     job,
+		workers: workers,
+	}
+}
+
+func (wg WorkerGroup) Start() {
+	group := NewRoutineGroup()
+	for i := 0; i < wg.workers; i++ {
+		group.RunSafe(wg.job)
+	}
+	group.Wait()
+}