--- rpl/src/interruptions.c	2016/03/21 12:08:05	1.172
+++ rpl/src/interruptions.c	2016/03/22 09:22:23	1.173
@@ -3144,12 +3144,33 @@ creation_queue_signaux(struct_processus
 			return;
 		}
 
-		if ((f_queue_signaux = shm_open(nom, O_RDWR | O_CREAT /* | O_EXCL*/,
+		if ((f_queue_signaux = shm_open(nom, O_RDWR | O_CREAT | O_EXCL,
 				S_IRUSR | S_IWUSR)) == -1)
 		{
-			sys_free(nom);
-			(*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
-			return;
+			if (errno != EEXIST)
+			{
+				sys_free(nom);
+				(*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
+				return;
+			}
+
+			if ((*s_etat_processus).langue == 'F')
+			{
+				printf("+++Attention : Le segment de mémoire %s préexiste !\n",
+						nom);
+			}
+			else
+			{
+				printf("+++Warning: %s memory segment preexists!\n", nom);
+			}
+
+			if ((f_queue_signaux = shm_open(nom, O_RDWR | O_CREAT | O_TRUNC,
+					S_IRUSR | S_IWUSR)) == -1)
+			{
+				sys_free(nom);
+				(*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
+				return;
+			}
 		}
 
 		if (ftruncate(f_queue_signaux, sizeof(struct_queue_signaux)) == -1)