--- rpl/src/instructions_s1.c	2015/09/18 13:41:17	1.79
+++ rpl/src/instructions_s1.c	2017/01/18 15:44:22	1.87
@@ -1,7 +1,7 @@
 /*
 ================================================================================
-  RPL/2 (R) version 4.1.23
-  Copyright (C) 1989-2015 Dr. BERTRAND Joël
+  RPL/2 (R) version 4.1.26
+  Copyright (C) 1989-2017 Dr. BERTRAND Joël
 
   This file is part of RPL/2.
 
@@ -3690,7 +3690,6 @@ instruction_syseval(struct_processus *s_
 
 		verrouillage_threads_concurrents(s_etat_processus);
 		pid = fork();
-		deverrouillage_threads_concurrents(s_etat_processus);
 
 		if (pid < 0)
 		{
@@ -3735,6 +3734,8 @@ 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;
@@ -3820,6 +3821,8 @@ instruction_syseval(struct_processus *s_
 		}
 		else
 		{
+			deverrouillage_threads_concurrents(s_etat_processus);
+
 			if (close(pipes_entree[0]) != 0)
 			{
 				(*s_etat_processus).erreur_systeme = d_es_processus;
@@ -3985,21 +3988,25 @@ instruction_syseval(struct_processus *s_
 					return;
 				}
 
-				if (waitpid(pid, &status, 0) == -1)
+				while(waitpid(pid, &status, 0) == -1)
 				{
-#					ifndef SEMAPHORES_NOMMES
-						if (sem_post(&((*s_etat_processus).semaphore_fork))
-								!= 0)
-#					else
-						if (sem_post((*s_etat_processus).semaphore_fork) != 0)
-#					endif
+					if (errno != EINTR)
 					{
+#						ifndef SEMAPHORES_NOMMES
+							if (sem_post(&((*s_etat_processus).semaphore_fork))
+									!= 0)
+#						else
+							if (sem_post((*s_etat_processus).semaphore_fork)
+									!= 0)
+#						endif
+						{
+							(*s_etat_processus).erreur_systeme = d_es_processus;
+							return;
+						}
+
 						(*s_etat_processus).erreur_systeme = d_es_processus;
 						return;
 					}
-
-					(*s_etat_processus).erreur_systeme = d_es_processus;
-					return;
 				}
 
 #				ifndef SEMAPHORES_NOMMES