fix: Wait for specified time duration before shutdown

CHANGELOG.md

@@ -7,6 +7,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Fixed
+
+- Fixed processor to wait for specified time duration before forcefully shutdown workers.
+
+
 ## [0.13.0] - 2020-10-13
 
 ### Added

processor.go

@@ -102,6 +102,7 @@ func newProcessor(params processorParams) *processor {
 		abort:           make(chan struct{}),
 		errHandler:      params.errHandler,
 		handler:         HandlerFunc(func(ctx context.Context, t *Task) error { return fmt.Errorf("handler not set") }),
+		shutdownTimeout: params.shutdownTimeout,
 		starting:        params.starting,
 		finished:        params.finished,
 	}