diff --git a/lib/communication.c b/lib/communication.c
index d3acd33..4cdbd56 100644
--- a/lib/communication.c
+++ b/lib/communication.c
@@ -75,11 +75,21 @@ int file_write (FILE *f, const char *buf, size_t msize)
     return 0;
 }
 
-void srv_init (struct service *srv, const char *sname)
+void srv_init (int argc, char **argv, char **env, struct service *srv, const char *sname)
 {
     if (srv == NULL)
         return;
 
+    // TODO
+    //      use the argc, argv and env parameters
+    //      it will be useful to change some parameters transparently
+    //      ex: to get resources from other machines, choosing the
+    //          remote with environment variables
+
+    argc = argc;
+    argv = argv;
+    env = env;
+
     // gets the service path, such as /tmp/<service>
     memset (srv->spath, 0, PATH_MAX);
     strncat (srv->spath, TMPDIR, PATH_MAX -1);
diff --git a/lib/communication.h b/lib/communication.h
index f646823..764dd9e 100644
--- a/lib/communication.h
+++ b/lib/communication.h
@@ -30,7 +30,7 @@ struct service {
     FILE *spipe;
 };
 
-void srv_init (struct service *srv, const char *sname);
+void srv_init (int argc, char **argv, char **env, struct service *srv, const char *sname);
 
 int srv_get_listen_raw (const struct service *srv, char **buf, size_t *msize);
 int srv_get_new_process (const struct service *srv, struct process *proc);
diff --git a/lib/pubsubd.c b/lib/pubsubd.c
index f61cdbe..624decb 100644
--- a/lib/pubsubd.c
+++ b/lib/pubsubd.c
@@ -593,15 +593,16 @@ void pubsub_connection (struct service *srv, struct process *p, enum app_list_el
         free (straction);
 }
 
-void pubsub_disconnect (struct service *srv, struct process *p, enum app_list_elm_action action, const char *channame)
+// tell the service to stop
+void pubsub_disconnect (struct service *srv)
 {
-    // line fmt : pid index version quit
-    // "quit" action is also possible (see pubsub_disconnect)
+    // line fmt : 0 0 0 quit
     char line[BUFSIZ];
-    snprintf (line, BUFSIZ, "%d %d %d quit\n" , p->pid, p->index, p->version);
+    snprintf (line, BUFSIZ, "0 0 0 quit\n");
+    app_srv_connection (srv, line, strlen (line));
 }
 
-void pubsub_msg_send (const struct service *s, struct process *p, const struct pubsub_msg * m)
+void pubsub_msg_send (struct process *p, const struct pubsub_msg * m)
 {
     char *buf = NULL;
     size_t msize = 0;
@@ -614,7 +615,7 @@ void pubsub_msg_send (const struct service *s, struct process *p, const struct p
     }
 }
 
-void pubsub_msg_recv (const struct service *s, struct process *p, struct pubsub_msg * m)
+void pubsub_msg_recv (struct process *p, struct pubsub_msg * m)
 {
     // read the message from the process
     size_t mlen = 0;
diff --git a/lib/pubsubd.h b/lib/pubsubd.h
index b7036cf..bc44c51 100644
--- a/lib/pubsubd.h
+++ b/lib/pubsubd.h
@@ -41,8 +41,8 @@ int pubsubd_msg_read_cb (FILE *f, char ** buf, size_t * msize);
 void pubsubd_msg_send (const struct app_list_head *alh, const struct pubsub_msg *m);
 void pubsubd_msg_recv (struct process *p, struct pubsub_msg *m);
 
-void pubsub_msg_send (const struct service *, struct process *p, const struct pubsub_msg *msg);
-void pubsub_msg_recv (const struct service *, struct process *p, struct pubsub_msg *msg);
+void pubsub_msg_send (struct process *p, const struct pubsub_msg *msg);
+void pubsub_msg_recv (struct process *p, struct pubsub_msg *msg);
 
 // CHANNEL
 
@@ -102,6 +102,6 @@ void pubsubd_app_list_elm_create (struct app_list_elm *ale, struct process *p);
 void pubsubd_app_list_elm_free (struct app_list_elm *todel);
 
 void pubsub_connection (struct service *srv, struct process *p, enum app_list_elm_action action, const char *channame);
-void pubsub_disconnect (struct service *srv, struct process *p, enum app_list_elm_action action, const char *channame);
+void pubsub_disconnect (struct service *srv);
 
 #endif
diff --git a/pingpong/pingpong.c b/pingpong/pingpong.c
index ff58080..a40b8e5 100644
--- a/pingpong/pingpong.c
+++ b/pingpong/pingpong.c
@@ -63,10 +63,10 @@ void main_loop (const struct service *srv)
  * 5. removes the named pipe /tmp/<service>
  */
 
-int main(int argc, char * argv[])
+int main(int argc, char * argv[], char **env)
 {
     struct service srv;
-    srv_init (&srv, PONGD_SERVICE_NAME);
+    srv_init (argc, argv, env, &srv, PONGD_SERVICE_NAME);
     printf ("Listening on %s.\n", srv.spath);
 
     // creates the service named pipe, that listens to client applications
diff --git a/pubsub/pubsub-test-send-params.c b/pubsub/pubsub-test-send-params.c
index b7379ae..a37e15b 100644
--- a/pubsub/pubsub-test-send-params.c
+++ b/pubsub/pubsub-test-send-params.c
@@ -16,7 +16,7 @@ void usage (char **argv)
     printf ( "usage : %s pid index (pub|sub|both|quit) [chan]\n", argv[0]);
 }
 
-void sim_connection (pid_t pid, int index, int version, char *cmd, char *chan)
+void sim_connection (int argc, char **argv, char **env, pid_t pid, int index, int version, char *cmd, char *chan)
 {
 
     printf ("Simulate connnection : pid %d index %d version %d "
@@ -25,7 +25,7 @@ void sim_connection (pid_t pid, int index, int version, char *cmd, char *chan)
 
     struct service srv;
     bzero (&srv, sizeof (struct service));
-    srv_init (&srv, PUBSUB_SERVICE_NAME);
+    srv_init (argc, argv, env, &srv, PUBSUB_SERVICE_NAME);
     printf ("Writing on %s.\n", srv.spath);
 
     struct process p;
@@ -47,11 +47,11 @@ void sim_connection (pid_t pid, int index, int version, char *cmd, char *chan)
     m.chanlen = strlen (MYCHAN);
     m.data = malloc (strlen (MYMESSAGE));
     m.datalen = strlen (MYMESSAGE);
-    pubsub_msg_send (&srv, &p, &m);
+    pubsub_msg_send (&p, &m);
 
     // second message, to disconnect from the server
     m.type = PUBSUB_TYPE_DISCONNECT;
-    pubsub_msg_send (&srv, &p, &m);
+    pubsub_msg_send (&p, &m);
 
     // free everything
 
@@ -64,7 +64,7 @@ void sim_connection (pid_t pid, int index, int version, char *cmd, char *chan)
     srv_process_free (&p);
 }
 
-void sim_disconnection (pid_t pid, int index, int version)
+void sim_disconnection (int argc, char **argv, char **env, pid_t pid, int index, int version)
 {
     struct service srv;
     bzero (&srv, sizeof (struct service));
@@ -85,7 +85,7 @@ void sim_disconnection (pid_t pid, int index, int version)
 }
 
     int
-main(int argc, char* argv[])
+main(int argc, char **argv, char **env)
 {
 
     if (argc < 3) {
@@ -108,10 +108,10 @@ main(int argc, char* argv[])
     if (strcmp(cmd, "quit") != 0) {
         char *chan = NULL;
         chan = argv[4];
-        sim_connection (pid, index, version, cmd, chan);
+        sim_connection (argc, argv, env, pid, index, version, cmd, chan);
     }
     else {
-        sim_disconnection (pid, index, version);
+        sim_disconnection (argc, argv, env, pid, index, version);
     }
 
     return EXIT_SUCCESS;
diff --git a/pubsub/pubsub-test-send.c b/pubsub/pubsub-test-send.c
index 5e2c6a8..c1f40c8 100644
--- a/pubsub/pubsub-test-send.c
+++ b/pubsub/pubsub-test-send.c
@@ -12,11 +12,11 @@ ohshit(int rvalue, const char* str) {
 }
 
     int
-main(int argc, char* argv[])
+main(int argc, char **argv, char **env)
 {
     struct service srv;
     memset (&srv, 0, sizeof (struct service));
-    srv_init (&srv, PUBSUB_SERVICE_NAME);
+    srv_init (argc, argv, env, &srv, PUBSUB_SERVICE_NAME);
     printf ("Writing on %s.\n", srv.spath);
 
     struct process p;
@@ -39,11 +39,11 @@ main(int argc, char* argv[])
     m.chanlen = strlen (MYCHAN);
     m.data = malloc (strlen (MYMESSAGE));
     m.datalen = strlen (MYMESSAGE);
-    pubsub_msg_send (&srv, &p, &m);
+    pubsub_msg_send (&p, &m);
 
     // second message, to disconnect from the server
     m.type = PUBSUB_TYPE_DISCONNECT;
-    pubsub_msg_send (&srv, &p, &m);
+    pubsub_msg_send (&p, &m);
 
     // free everything
 
diff --git a/pubsub/pubsubd.c b/pubsub/pubsubd.c
index 7c6fc37..9396c5a 100644
--- a/pubsub/pubsubd.c
+++ b/pubsub/pubsubd.c
@@ -55,11 +55,11 @@ void * pubsubd_worker_thread (void *params)
 }
 
     int
-main(int argc, char* argv[])
+main(int argc, char **argv, char **env)
 {
     struct service srv;
     memset (&srv, 0, sizeof (struct service));
-    srv_init (&srv, PUBSUB_SERVICE_NAME);
+    srv_init (argc, argv, env, &srv, PUBSUB_SERVICE_NAME);
     printf ("Listening on %s.\n", srv.spath);
 
     // creates the service named pipe, that listens to client applications