--- rpl/src/rpl.c	2019/02/09 13:36:42	1.208
+++ rpl/src/rpl.c	2019/02/11 06:18:21	1.209
@@ -6110,12 +6110,18 @@ rplinit(int argc, char *argv[], char *en
 	attente.tv_sec = 0;
 	attente.tv_nsec = GRANULARITE_us * 1000;
 
+	pthread_mutex_lock(&((*s_etat_processus).mutex_pile_processus));
+
 	while(nombre_thread_surveillance_processus != 0)
 	{
+		pthread_mutex_unlock(&((*s_etat_processus).mutex_pile_processus));
 		nanosleep(&attente, NULL);
 		INCR_GRANULARITE(attente.tv_nsec);
+		pthread_mutex_lock(&((*s_etat_processus).mutex_pile_processus));
 	}
 
+	pthread_mutex_unlock(&((*s_etat_processus).mutex_pile_processus));
+
 	attente.tv_sec = 0;
 	attente.tv_nsec = GRANULARITE_us * 1000;