diff --git a/zatomic/zatomic.go b/zatomic/zatomic.go
index 2a6275c0ce184cec44715c77b552eb307feb690a..3b6f689677e20818d75a21e092a6144942c50bd5 100644
--- a/zatomic/zatomic.go
+++ b/zatomic/zatomic.go
@@ -18,6 +18,14 @@ func (i *Int) Add(delta int) int {
 	return int(i.v.Add(int32(delta)))
 }
 
+func (i *Int) Inc() int {
+	return i.Add(1)
+}
+
+func (i *Int) Dec() int {
+	return i.Add(-1)
+}
+
 func (i *Int) Load() int {
 	return int(i.v.Load())
 }
diff --git a/zq/zq.go b/zq/zq.go
index e86c7785265b55172cd56a6fa28da0206b6982e2..8a9bf011e1515bfd1a6103774940a4036e7ef962 100644
--- a/zq/zq.go
+++ b/zq/zq.go
@@ -9,63 +9,63 @@ import (
 
 type ZQ struct {
 	WorkerCounter *zatomic.Int
-	WorkerFn      func(any)
+	WorkerFn      func(int, any)
 	ZQuit         *zquit.ZQuit
+	Jobs          chan any
 
+	workerId *zatomic.Int
 	complete chan bool
-	Jobs     chan any
 }
 
-func New(qtyWorkers int, buff int, fn func(any)) *ZQ {
+func New(qtyWorkers int, buff int, fn func(int, any)) *ZQ {
 	q := &ZQ{
 		WorkerCounter: zatomic.New(),
 		WorkerFn:      fn,
 		ZQuit:         zquit.Default(),
 		Jobs:          make(chan any, buff),
 		complete:      make(chan bool),
+		workerId:      zatomic.New(),
 	}
 
-	for i := 0; i < qtyWorkers; i++ {
-		q.AddWorker(1)
-	}
+	q.AddWorker(qtyWorkers)
 
 	return q
 }
-func Default(fn func(any)) *ZQ {
+func Default(fn func(int, any)) *ZQ {
 	return DefaultN(runtime.NumCPU(), fn)
 }
 
-func DefaultN(qtyWorkers int, fn func(any)) *ZQ {
+func DefaultN(qtyWorkers int, fn func(int, any)) *ZQ {
 	return New(qtyWorkers, qtyWorkers*2, fn)
 }
-func Default2(fn func(any)) *ZQ {
+func Default2(fn func(int, any)) *ZQ {
 	return DefaultN(2, fn)
 }
-func Default4(fn func(any)) *ZQ {
+func Default4(fn func(int, any)) *ZQ {
 	return DefaultN(4, fn)
 }
-func Default6(fn func(any)) *ZQ {
+func Default6(fn func(int, any)) *ZQ {
 	return DefaultN(6, fn)
 }
-func Default8(fn func(any)) *ZQ {
+func Default8(fn func(int, any)) *ZQ {
 	return DefaultN(8, fn)
 }
-func Default12(fn func(any)) *ZQ {
+func Default12(fn func(int, any)) *ZQ {
 	return DefaultN(12, fn)
 }
-func Default16(fn func(any)) *ZQ {
+func Default16(fn func(int, any)) *ZQ {
 	return DefaultN(16, fn)
 }
-func Default24(fn func(any)) *ZQ {
+func Default24(fn func(int, any)) *ZQ {
 	return DefaultN(24, fn)
 }
-func Default32(fn func(any)) *ZQ {
+func Default32(fn func(int, any)) *ZQ {
 	return DefaultN(32, fn)
 }
-func Default48(fn func(any)) *ZQ {
+func Default48(fn func(int, any)) *ZQ {
 	return DefaultN(48, fn)
 }
-func Default64(fn func(any)) *ZQ {
+func Default64(fn func(int, any)) *ZQ {
 	return DefaultN(64, fn)
 }
 
@@ -84,17 +84,18 @@ func (q *ZQ) AddWorker(delta int) {
 	}
 
 	for i := 0; i < delta; i++ {
-		q.WorkerCounter.Add(1)
+		q.WorkerCounter.Inc()
 
 		go func() {
-			defer q.WorkerCounter.Add(-1)
+			defer q.WorkerCounter.Dec()
+			workerId := q.workerId.Inc()
 
 			for {
 				select {
 				case <-q.complete:
 					return
 				case j := <-q.Jobs:
-					q.WorkerFn(j)
+					q.WorkerFn(workerId, j)
 					q.ZQuit.Done()
 				}
 			}