--- rpl/src/instructions_r4.c	2011/08/09 11:31:34	1.40
+++ rpl/src/instructions_r4.c	2011/09/14 17:55:59	1.41
@@ -2048,19 +2048,12 @@ instruction_read(struct_processus *s_eta
 					return;
 				}
 
-#				ifndef SEMAPHORES_NOMMES
-				if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
+				if (pthread_mutex_unlock(&((*s_etat_processus).mutex_fork))
+						!= 0)
 				{
 					(*s_etat_processus).erreur_systeme = d_es_processus;
 					return;
 				}
-#				else
-				if (sem_post((*s_etat_processus).semaphore_fork) != 0)
-				{
-					(*s_etat_processus).erreur_systeme = d_es_processus;
-					return;
-				}
-#				endif
 
 				attente.tv_sec = 0;
 				attente.tv_nsec = GRANULARITE_us * 1000;
@@ -2116,20 +2109,11 @@ instruction_read(struct_processus *s_eta
 						free(tampon_lecture);
 						liberation(s_etat_processus, s_objet_argument_1);
 
-#						ifndef SEMAPHORES_NOMMES
-						while(sem_wait(&((*s_etat_processus)
-								.semaphore_fork)) == -1)
-#						else
-						while(sem_wait((*s_etat_processus)
-								.semaphore_fork) == -1)
-#						endif
+						while(pthread_mutex_lock(&((*s_etat_processus)
+								.mutex_fork)) != 0)
 						{
-							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 =
@@ -2153,17 +2137,10 @@ instruction_read(struct_processus *s_eta
 					}
 				}
 
-#				ifndef SEMAPHORES_NOMMES
-				while(sem_wait(&((*s_etat_processus).semaphore_fork)) == -1)
-#				else
-				while(sem_wait((*s_etat_processus).semaphore_fork) == -1)
-#				endif
+				if (pthread_mutex_lock(&((*s_etat_processus).mutex_fork)) != 0)
 				{
-					if (errno != EINTR)
-					{
-						(*s_etat_processus).erreur_systeme = d_es_processus;
-						return;
-					}
+					(*s_etat_processus).erreur_systeme = d_es_processus;
+					return;
 				}
 
 				if ((*s_etat_processus).var_volatile_requete_arret == -1)
@@ -2559,19 +2536,12 @@ instruction_read(struct_processus *s_eta
 					return;
 				}
 
-#				ifndef SEMAPHORES_NOMMES
-				if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
+				if (pthread_mutex_unlock(&((*s_etat_processus).mutex_fork))
+						!= 0)
 				{
 					(*s_etat_processus).erreur_systeme = d_es_processus;
 					return;
 				}
-#				else
-				if (sem_post((*s_etat_processus).semaphore_fork) != 0)
-				{
-					(*s_etat_processus).erreur_systeme = d_es_processus;
-					return;
-				}
-#				endif
 
 				attente.tv_sec = 0;
 				attente.tv_nsec = GRANULARITE_us * 1000;
@@ -2626,20 +2596,12 @@ instruction_read(struct_processus *s_eta
 						free(tampon_lecture);
 						liberation(s_etat_processus, s_objet_argument_1);
 
-#						ifndef SEMAPHORES_NOMMES
-						while(sem_wait(&((*s_etat_processus)
-								.semaphore_fork)) == -1)
-#						else
-						while(sem_wait((*s_etat_processus)
-								.semaphore_fork) == -1)
-#						endif
+						if (pthread_mutex_lock(&((*s_etat_processus)
+								.mutex_fork)) != 0)
 						{
-							if (errno != EINTR)
-							{
-								(*s_etat_processus).erreur_systeme =
-										d_es_processus;
-								return;
-							}
+							(*s_etat_processus).erreur_systeme =
+									d_es_processus;
+							return;
 						}
 
 						(*s_etat_processus).erreur_execution =
@@ -2661,17 +2623,11 @@ instruction_read(struct_processus *s_eta
 					}
 				}
 
-#				ifndef SEMAPHORES_NOMMES
-				while(sem_wait(&((*s_etat_processus).semaphore_fork)) == -1)
-#				else
-				while(sem_wait((*s_etat_processus).semaphore_fork) == -1)
-#				endif
+				if (pthread_mutex_lock(&((*s_etat_processus).mutex_fork))
+						!= 0)
 				{
-					if (errno != EINTR)
-					{
-						(*s_etat_processus).erreur_systeme = d_es_processus;
-						return;
-					}
+					(*s_etat_processus).erreur_systeme = d_es_processus;
+					return;
 				}
 
 				if ((*s_etat_processus).var_volatile_requete_arret == -1)