diff --git a/README.md b/README.md
index 7ce4ff2..3263a39 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,8 @@
 - [what is a tty](https://www.howtogeek.com/428174/what-is-a-tty-on-linux-and-how-to-use-the-tty-command/)
 - [really handling process](https://stackoverflow.com/questions/47489128/handling-signals-sigstp-sigcont-sigint-with-child-process)
 - [signal in a child process](https://stackoverflow.com/questions/55190460/using-signals-in-a-child-process)
+- [send signal to process and childs](https://linuxconfig.org/how-to-propagate-a-signal-to-child-processes-from-a-bash-script)
+- commande utile pour tester les process parents et enfants :  while true ; do ps -o pid,pgid,cmd -C bash ; sleep 0.1 ; echo "\n" ; done
 
 ```text
                                  |     BASH       |    MINISHELL   |
diff --git a/srcs/shell_loop.c b/srcs/shell_loop.c
index ce18887..5e37a5b 100644
--- a/srcs/shell_loop.c
+++ b/srcs/shell_loop.c
@@ -6,7 +6,7 @@
 /*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/10/04 05:59:26 by lperrey           #+#    #+#             */
-/*   Updated: 2021/11/15 20:21:59 by hulamy           ###   ########.fr       */
+/*   Updated: 2021/11/16 13:12:52 by hulamy           ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -53,14 +53,13 @@ void	execute_cmd(char **envp, t_cmd **cmd_arr, t_all *c)
 {
 	pid_t	pid;
 	pid_t	wpid;
-	int		status;
+	int		wstatus;
 	int		i;
 	int		argc;
 
 	// put signal handling for SIGINT to ignore so parent process will not activate signal_handling_executiv while childs are in process
-//	c->signal_behaviour.sa_handler = SIG_IGN;
-//	sigaction(SIGINT, &c->signal_behaviour, NULL);
-signal(SIGINT, SIG_IGN);
+	c->signal_behaviour.sa_handler = SIG_IGN;
+	sigaction(SIGINT, &c->signal_behaviour, NULL);
 	i = 0;
 	while(cmd_arr[i])
 	{
@@ -68,9 +67,8 @@ signal(SIGINT, SIG_IGN);
 		if (pid == 0)
 		{
 			// activate singal handling for execution mode
-		//	c->signal_behaviour.sa_handler = sigint_handler_execution;
-		//	sigaction(SIGINT, &c->signal_behaviour, NULL);
-			signal(SIGINT, sigint_handler_execution);
+			c->signal_behaviour.sa_handler = sigint_handler_execution;
+			sigaction(SIGINT, &c->signal_behaviour, NULL);
 			if (cmd_arr[i]->fd_in != 0)
 				dup2(cmd_arr[i]->fd_in, STDIN_FILENO);
 			if (cmd_arr[i]->fd_out != 1)
@@ -95,7 +93,12 @@ signal(SIGINT, SIG_IGN);
 		i++;
 	}
 	// waitpid pour la derniere commande (pour '$?')
-	while ((wpid = wait(&status)) > 0);
+	wpid = 1;
+	while (wpid > 0)
+		wpid = wait(&wstatus);
+	// to print a \n after execve was terminated by a signal
+	if (WIFSIGNALED(wstatus))
+		write(1, "\n", 1);
 	// put signal handling for sigint back to the signal handler for interactiv mode
 	c->signal_behaviour.sa_handler = sigint_handler_interactiv;
 	sigaction(SIGINT, &c->signal_behaviour, NULL);