--- rpl/src/instructions_s1.c	2016/03/09 10:57:41	1.82
+++ rpl/src/instructions_s1.c	2016/03/09 17:49:12	1.83
@@ -3690,11 +3690,7 @@ instruction_syseval(struct_processus *s_
 
 		verrouillage_threads_concurrents(s_etat_processus);
 		pid = fork();
-
-		if (pid > 0)
-		{
-			deverrouillage_threads_concurrents(s_etat_processus);
-		}
+		deverrouillage_threads_concurrents(s_etat_processus);
 
 		if (pid < 0)
 		{
@@ -3739,6 +3735,8 @@ instruction_syseval(struct_processus *s_
 		}
 		else if (pid == 0)
 		{
+			(*s_etat_processus).erreur_systeme = d_es;
+
 			if (close(pipes_entree[1]) != 0)
 			{
 				(*s_etat_processus).erreur_systeme = d_es_processus;