diff --git a/42sh/includes/job_control.h b/42sh/includes/job_control.h
index a9a3d333..a9d62d78 100644
--- a/42sh/includes/job_control.h
+++ b/42sh/includes/job_control.h
@@ -29,6 +29,8 @@ extern t_data	*g_data;
 void	job_new(t_data *data, char **av, pid_t pid);
 void	job_announce(t_job *job);
 
+int		ft_cmppid(t_job *job, pid_t *pid);
+
 void	sigchld_handler(int signo);
 void	sigint_handler(int signo);
 void	sigtstp_handler(int signo);
diff --git a/42sh/includes/minishell.h b/42sh/includes/minishell.h
index 2f9aaae6..0dafe98b 100644
--- a/42sh/includes/minishell.h
+++ b/42sh/includes/minishell.h
@@ -76,6 +76,8 @@ typedef enum e_qstate	t_qstate;
 extern t_stof	g_builtins[];
 extern pid_t	g_pid;
 
+t_data		*data_singleton();
+
 int		data_init(t_data *data);
 void	data_exit(t_data *data);
 void	ft_cleanup(void);
diff --git a/42sh/libft b/42sh/libft
index 42e1a190..5fab2c76 160000
--- a/42sh/libft
+++ b/42sh/libft
@@ -1 +1 @@
-Subproject commit 42e1a190bd86ea288ee9a367fefeac8284a67cf4
+Subproject commit 5fab2c76b033729a3b16a15f2b5ac63f2deaafc4
diff --git a/42sh/script.sh b/42sh/script.sh
index 1a566882..8fb9fff0 100755
--- a/42sh/script.sh
+++ b/42sh/script.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
 while [ 1 ]; do
 	sleep 1
+	echo "a"
 done
diff --git a/42sh/src/job-control/ft_cmppid.c b/42sh/src/job-control/ft_cmppid.c
new file mode 100644
index 00000000..117db889
--- /dev/null
+++ b/42sh/src/job-control/ft_cmppid.c
@@ -0,0 +1,6 @@
+#include "minishell.h"
+
+int		ft_cmppid(t_job *job, pid_t *pid)
+{
+	return (job->pid - *pid);
+}
diff --git a/42sh/src/job-control/job_new.c b/42sh/src/job-control/job_new.c
index 28142202..6f6e8b72 100644
--- a/42sh/src/job-control/job_new.c
+++ b/42sh/src/job-control/job_new.c
@@ -18,6 +18,7 @@ void	job_new(t_data *data, char **av, pid_t pid)
 
 	DG("got new job");
 	job.command = ft_sstrcat(av, ' ');
+	DG("job command '%s'", job.command);
 	job.pid = pid;
 	job.id = 42;
 	ft_lstadd(&data->jobc.list, ft_lstnew(&job, sizeof(job)));
diff --git a/42sh/src/job-control/sigchld_handler.c b/42sh/src/job-control/sigchld_handler.c
index 5df1e708..81d260c2 100644
--- a/42sh/src/job-control/sigchld_handler.c
+++ b/42sh/src/job-control/sigchld_handler.c
@@ -12,20 +12,31 @@
 
 #include "minishell.h"
 
-t_data	*g_data;
-
 void	sigchld_handler(int signo)
 {
+	int		status;
+	pid_t	pid;
 	t_job	*job;
+	t_list	*start;
 	t_list	*list;
 
 	(void)signo;
 	DG("got SIGCHLD");
-	list = g_data->jobc.list;
+	start = data_singleton()->jobc.list;
+	pid = waitpid(-1, &status, WNOHANG);
+	DG("SIGCHLD pid=%i", pid);
+	/* start = NULL; */
+	list = start ? ft_lst_find(start, &pid, ft_cmppid) : NULL;
 	if (list)
+	{
 		job = list->content;
+		if (status == 0)
+			ft_printf("[%i]  + done\t%s\n", job->id, job->command);
+		else
+			ft_printf("[%i]  + exit %i\t%s\n", job->id, status, job->command);
+		ft_prompt();
+	}
 	else
-		job = NULL;
-	if (job)
-		DG("job pid=%i", job->pid);
+		DG("SIGCHLD but no find");
+
 }
diff --git a/42sh/src/main/data_singleton.c b/42sh/src/main/data_singleton.c
new file mode 100644
index 00000000..c6139721
--- /dev/null
+++ b/42sh/src/main/data_singleton.c
@@ -0,0 +1,10 @@
+#include "minishell.h"
+
+t_data		*data_singleton()
+{
+	static t_data	*data = NULL;
+
+	if (data == NULL)
+		data = malloc(sizeof(t_data));
+	return (data);
+}
diff --git a/42sh/src/main/main.c b/42sh/src/main/main.c
index 28044585..9ecce134 100644
--- a/42sh/src/main/main.c
+++ b/42sh/src/main/main.c
@@ -12,27 +12,26 @@
 
 #include "minishell.h"
 
-t_data	*g_data;
-
 int		main(void)
 {
-	t_data	data;
 	t_list	*token;
 	t_btree	*ast;
+	/* t_data	data; */
+	t_data	*data;
 
 	token = NULL;
 	ast = NULL;
-	g_data = &data;
-	if (data_init(&data))
+	data = data_singleton();
+	if (data_init(data))
 		return (1);
 	DG("{inv}{bol}{gre}start of shell");
 	while (1)
 	{
-		if (ft_interactive_sh(&data))
+		if (ft_interactive_sh(data))
 			return (1);
-		DG("{inv}{mag}got command '%s'", data.line.input);
+		DG("{inv}{mag}got command '%s'", data->line.input);
 		token = NULL;
-		if (ft_tokenize(&token, data.line.input, DEFAULT))
+		if (ft_tokenize(&token, data->line.input, DEFAULT))
 			return (1);
 		if (!token)
 			continue ;
@@ -42,7 +41,7 @@ int		main(void)
 		btree_print(STDERR, ast, &ft_putast);
 		/* ft_dprintf(STDERR, "\n--- INFIX BREAKDOWN ---\n"); */
 		/* btree_apply_infix(ast, &ft_putast2); */
-		if (ft_exec(&ast, &data))
+		if (ft_exec(&ast, data))
 			return (1);
 	}
 	return (0);