2 files changed, 6 insertions, 0 deletions
diff --git a/pool.go b/pool.go
index 1a134a6a..f491dfa5 100644
--- a/pool.go
+++ b/pool.go
@@ -16,6 +16,9 @@ type Pool interface {
 	// Exec one task with given payload and context, returns result or error.
 	Exec(rqs *Payload) (rsp *Payload, err error)
 
+	// Workers returns worker list associated with the pool.
+	Workers() (workers []*Worker)
+
 	// Destroy all underlying workers (but let them to complete the task).
 	Destroy()
 }
diff --git a/state.go b/state.go
index 6e49a397..d1068ab3 100644
--- a/state.go
+++ b/state.go
@@ -1,6 +1,7 @@
 package roadrunner
 
 import (
+	"fmt"
 	"sync"
 	"sync/atomic"
 	"time"
@@ -8,6 +9,8 @@ import (
 
 // State represents worker status and updated time.
 type State interface {
+	fmt.Stringer
+
 	// Value returns state value
 	Value() int64