refactor: improve task management with xsync for concurrent access and enhance callback and subtasks handling as well as memory allocation

internal/task/task_debug.go

@@ -0,0 +1,27 @@
+//go:build debug
+
+package task
+
+import (
+	"runtime/debug"
+
+	"github.com/rs/zerolog/log"
+)
+
+func panicWithDebugStack() {
+	panic(string(debug.Stack()))
+}
+
+func panicIfFinished(t *Task, reason string) {
+	if t.isFinished() {
+		log.Panic().Msg("task " + t.String() + " is finished but " + reason)
+	}
+}
+
+func logStarted(t *Task) {
+	log.Info().Msg("task " + t.String() + " started")
+}
+
+func logFinished(t *Task) {
+	log.Info().Msg("task " + t.String() + " finished")
+}