diff --git a/y_worker_t/test/test/Makefile b/y_worker_t/test/test/Makefile
new file mode 100644
index 0000000..fe452ec
--- /dev/null
+++ b/y_worker_t/test/test/Makefile
@@ -0,0 +1,70 @@
+
+
+
+
+NAME_TEST=test
+CC=gcc
+YTOOLDIR=$(PWD)/../../../ytools_t
+YLISTDIR=$(PWD)/../../../list_t
+
+ROOT_DIR=$(PWD)/../..
+INCLUDE_DIR=$(ROOT_DIR)/include
+CFLAGS=-I$(INCLUDE_DIR) -I$(YLISTDIR)/src -I$(YTOOLDIR)/include
+LDFLAGS=-L$(YTESTDIR) -lpthread -lm -lOpenCL -Wall -Werror
+
+#SRC_DIR=$(ROOT_DIR)/src
+#SRC=$(wildcard */*/*.c) 
+#SRC=$(wildcard **/**/*.c) 
+
+#OBJ=$(SRC:.c=.o)
+
+#HEADS=$(OBJS:.o=.h)
+#TEST_DIR=$(PWD)
+
+EXECSRC=$(NAME_TEST).c
+EXEC=launch_$(NAME_TEST)_m
+
+YWORKSRC=$(ROOT_DIR)/src/y_worker_t/y_worker_t.c
+YWORKSRC_O=$(YWORKSRC:.c=.o)
+
+YTASKSRC=$(ROOT_DIR)/src/y_worker_t/y_task_t.c
+YTASKSRC_O=$(YTASKSRC:.c=.o)
+
+YLISTSRC=$(YLISTDIR)/src/list_t/list_t.c
+YLISTSRC_O=$(YLISTSRC:.c=.o)
+
+YTOOLSRC_O=$(YTOOLDIR)/src/tools_t/tools_t.o
+
+TOPTARGETS := all clean
+
+DEPS= $(YLISTDIR) $(ROOT_DIR) $(YTOOLDIR)
+
+OBJ=$(YWORKSRC_O) $(YTASKSRC_O)  $(YLISTSRC_O) $(YTOOLSRC_O)
+
+
+LIB_YTEST=$(YTESTDIR)/libytest.so
+
+LIB_YWORK=$(PWD)/../../libyworker.so
+
+$(TOPTARGETS): $(DEPS)
+
+$(DEPS):  
+	$(MAKE) -C $@ $(MAKECMDGOALS)
+
+
+
+all: $(EXEC) $(LIB_YWORK)  #$(LIB_YTEST)
+
+$(EXEC):	$(EXECSRC) $(OBJ)
+	$(CC) -o $@ $^ $(CFLAGS) $(LDFLAGS)
+
+.PHONY: clean mrproper
+
+clean:
+	rm -f $(OBJ)
+
+mrproper: clean
+	rm -f $(EXEC)
+
+run: $(EXEC)
+	$(EXEC) -h
diff --git a/y_worker_t/test/test/test.c b/y_worker_t/test/test/test.c
new file mode 100644
index 0000000..58b55d8
--- /dev/null
+++ b/y_worker_t/test/test/test.c
@@ -0,0 +1,156 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+#include <time.h>
+
+#include <poll.h>
+
+// for sleep !
+#ifdef __linux__ 
+  #include <unistd.h>
+#elif _WIN32 
+  #include <windows.h>
+#endif
+
+//#include "ftest/ftest.h"
+//#include "ftest/ftest_array.h"
+//#include "fmock/fmock.h"
+
+//#include "permutation_t/permutation_t.h"
+#include "y_worker_t/y_worker_t.h"
+#include "y_worker_t/y_task_t.h"
+//#include "tools_t/tools_t.h"
+
+void* funcPrintSelf(void* arg){
+  int *count = (int*)arg; //randomm=rand()%1000;
+  printf("func: begin func call %d\n",*count);
+//  struct argExecTasQ *argx=(struct argExecTasQ*)arg;
+  size_t thread_id=pthread_self();
+  printf("func:  number=%d; threadid=%ld\n", *count, thread_id);
+  usleep(2000);
+  printf("func: end func %d; in thread=%ld\n",*count,thread_id);
+//  free(count);
+  return NULL;
+}
+
+void* funcEnd(void* arg){
+  printf("funcEnd: begin func End\n");
+  struct argExecTasQ *argx=(struct argExecTasQ*)arg;
+  static long int count = 0; //randomm=rand()%1000;
+  size_t thread_id=pthread_self();
+  printf("funcEnd: my status=%d, func number=%ld; threadid=%ld\n",(argx->go_on), count, thread_id);
+  usleep(2000);
+  printf("funcEnd: end func %ld; in thread=%ld\n",count,thread_id);
+  ++count;
+  return NULL;
+}
+
+void* funcDepRel(void* arg){
+  printf("func: begin func release\n");
+  struct dependency_task *dep = (struct dependency_task*)arg;
+  size_t thread_id=pthread_self();
+  printf("func: threadid=%ld\n", thread_id);
+  usleep(3000);
+  release_dependancy_task(dep);
+  printf("==============-------------------> func: end func release in thread=%ld\n",thread_id);
+  return NULL;
+}
+void* funcDepCall(void* arg){
+  printf("func: begin func Call dep\n");
+  struct dependency_task *dep = (struct dependency_task*)arg;
+  size_t thread_id=pthread_self();
+  printf("func call: threadid=%ld\n", thread_id);
+  wait_dependancy_task(dep);
+  printf("==============-----------------> func: end func call dep in thread=%ld\n",thread_id);
+  return NULL;
+}
+
+
+int main(){
+
+
+  srand(time(NULL));
+  struct main_list_ptr_y_WORKER_T * workers = create_var_list_ptr_y_WORKER_T();
+  
+  struct main_list_TYPE_PTR * list_arg = create_var_list_TYPE_PTR();
+
+  struct argExecTasQ *argx =  create_argExecTasQ();
+  pthread_mutex_t *mut_workers = malloc(sizeof(pthread_mutex_t));
+  pthread_mutex_init(mut_workers, NULL);
+  
+int nb_worker=4;
+  for(int i=0; i<nb_worker; ++i){
+   
+    struct y_worker_t *pw= create_ptr_y_WORKER_T(workers, list_arg, mut_workers, argx, GO_ON_WORKER, i);
+
+  printf(" - / -----  -- / ---  %d workers %ld created\n",nb_worker,(pw->arg->pworker->id));
+//usleep(500);
+  }
+usleep(500);
+ 
+int nb_task=9;
+  for(int i=0; i<nb_task;++i)
+  { 
+    int *j=malloc(sizeof(int));
+    *j=i*100;
+    struct y_task_t task = {
+      .func=funcPrintSelf,
+      .arg=j,
+      .status=TASK_PENDING,
+    };
+    push_tasQ(argx->tasQ, task);
+    push_back_list_TYPE_PTR(list_arg, j);
+//    usleep(10000);
+  }
+  printf("%d tasks created\n",nb_task);
+  
+  struct dependency_task * argDep = create_dependency_task();
+   struct y_task_t taskR = {
+      .func=funcDepRel,
+      .arg=argDep,
+      .status=TASK_PENDING,
+    };
+    push_tasQ(argx->tasQ, taskR);
+  printf(" +++++++++++++++++ task rel dep created\n");
+
+
+   struct y_task_t taskCal = {
+      .func=funcDepCall,
+      .arg=argDep,
+      .status=TASK_PENDING,
+    };
+    push_tasQ(argx->tasQ, taskCal);
+
+  printf(" +++++++++++++++++ task call dep created\n");
+
+  for(int i=4; i<8; ++i){
+    struct y_worker_t *pw= create_ptr_y_WORKER_T(workers, list_arg, mut_workers, argx, GO_ON_WORKER, i);
+    //struct y_worker_t *pw= create_ptr_y_WORKER_T(workers, mut_workers, argx, GO_ON_WORKER, i);
+    printf("%d workers %ld created\n",4,(pw->arg->pworker->id));
+//usleep(500);
+  }
+
+ printf("another %d workers created\n",4);
+ 
+ printf("before kill all workers \n");
+
+ //getchar();
+
+ struct pollfd fd[1];
+ fd[0].fd=0;
+ fd[0].events = POLLIN | POLLRDNORM | POLLRDBAND | POLLPRI;
+ poll(fd, 1, -1);
+
+//  usleep(200000000);
+ 
+  kill_all_workers(workers->begin_list->value->arg);
+
+//  kill_all_workers(workers, argx);
+
+
+free_dependency_task(argDep);
+
+  return 0;
+}
+