--- rpl/src/instructions_r4.c	2011/04/18 08:40:11	1.28.2.5
+++ rpl/src/instructions_r4.c	2011/09/26 15:57:15	1.45
@@ -1,6 +1,6 @@
 /*
 ================================================================================
-  RPL/2 (R) version 4.0.23
+  RPL/2 (R) version 4.1.4
   Copyright (C) 1989-2011 Dr. BERTRAND Joël
 
   This file is part of RPL/2.
@@ -2049,18 +2049,14 @@ instruction_read(struct_processus *s_eta
 				}
 
 #				ifndef SEMAPHORES_NOMMES
-				if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
-				{
-					(*s_etat_processus).erreur_systeme = d_es_processus;
-					return;
-				}
+					if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
 #				else
-				if (sem_post((*s_etat_processus).semaphore_fork) != 0)
+					if (sem_post((*s_etat_processus).semaphore_fork) != 0)
+#				endif
 				{
 					(*s_etat_processus).erreur_systeme = d_es_processus;
 					return;
 				}
-#				endif
 
 				attente.tv_sec = 0;
 				attente.tv_nsec = GRANULARITE_us * 1000;
@@ -2117,19 +2113,15 @@ instruction_read(struct_processus *s_eta
 						liberation(s_etat_processus, s_objet_argument_1);
 
 #						ifndef SEMAPHORES_NOMMES
-						while(sem_wait(&((*s_etat_processus)
-								.semaphore_fork)) == -1)
+							while(sem_wait(&((*s_etat_processus)
+									.semaphore_fork)) != 0)
 #						else
-						while(sem_wait((*s_etat_processus)
-								.semaphore_fork) == -1)
+							while(sem_wait((*s_etat_processus)
+									.semaphore_fork) != 0)
 #						endif
 						{
-							if (errno != EINTR)
-							{
-								(*s_etat_processus).erreur_systeme =
-										d_es_processus;
-								return;
-							}
+							(*s_etat_processus).erreur_systeme =
+									d_es_processus;
 						}
 
 						(*s_etat_processus).erreur_execution =
@@ -2154,12 +2146,12 @@ instruction_read(struct_processus *s_eta
 				}
 
 #				ifndef SEMAPHORES_NOMMES
-				while(sem_wait(&((*s_etat_processus).semaphore_fork)) == -1)
+					while(sem_wait(&((*s_etat_processus).semaphore_fork)) != 0)
 #				else
-				while(sem_wait((*s_etat_processus).semaphore_fork) == -1)
+					while(sem_wait((*s_etat_processus).semaphore_fork) != 0)
 #				endif
 				{
-					if (errno != EINTR)
+					if (errno == EINTR)
 					{
 						(*s_etat_processus).erreur_systeme = d_es_processus;
 						return;
@@ -2560,18 +2552,14 @@ instruction_read(struct_processus *s_eta
 				}
 
 #				ifndef SEMAPHORES_NOMMES
-				if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
-				{
-					(*s_etat_processus).erreur_systeme = d_es_processus;
-					return;
-				}
+					if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
 #				else
-				if (sem_post((*s_etat_processus).semaphore_fork) != 0)
+					if (sem_post((*s_etat_processus).semaphore_fork) != 0)
+#				endif
 				{
 					(*s_etat_processus).erreur_systeme = d_es_processus;
 					return;
 				}
-#				endif
 
 				attente.tv_sec = 0;
 				attente.tv_nsec = GRANULARITE_us * 1000;
@@ -2627,11 +2615,11 @@ instruction_read(struct_processus *s_eta
 						liberation(s_etat_processus, s_objet_argument_1);
 
 #						ifndef SEMAPHORES_NOMMES
-						while(sem_wait(&((*s_etat_processus)
-								.semaphore_fork)) == -1)
+							while(sem_wait(&((*s_etat_processus)
+									.semaphore_fork)) != 0)
 #						else
-						while(sem_wait((*s_etat_processus)
-								.semaphore_fork) == -1)
+							while(sem_wait((*s_etat_processus)
+									.semaphore_fork) != 0)
 #						endif
 						{
 							if (errno != EINTR)
@@ -2662,9 +2650,9 @@ instruction_read(struct_processus *s_eta
 				}
 
 #				ifndef SEMAPHORES_NOMMES
-				while(sem_wait(&((*s_etat_processus).semaphore_fork)) == -1)
+					while(sem_wait(&((*s_etat_processus).semaphore_fork)) != 0)
 #				else
-				while(sem_wait((*s_etat_processus).semaphore_fork) == -1)
+					while(sem_wait((*s_etat_processus).semaphore_fork) != 0)
 #				endif
 				{
 					if (errno != EINTR)