initial import

core/threading/taskrunner.go

@@ -0,0 +1,28 @@
+package threading
+
+import (
+	"zero/core/lang"
+	"zero/core/rescue"
+)
+
+type TaskRunner struct {
+	limitChan chan lang.PlaceholderType
+}
+
+func NewTaskRunner(concurrency int) *TaskRunner {
+	return &TaskRunner{
+		limitChan: make(chan lang.PlaceholderType, concurrency),
+	}
+}
+
+func (rp *TaskRunner) Schedule(task func()) {
+	rp.limitChan <- lang.Placeholder
+
+	go func() {
+		defer rescue.Recover(func() {
+			<-rp.limitChan
+		})
+
+		task()
+	}()
+}