--- rpl/src/instructions_s1.c	2011/09/14 17:55:59	1.37
+++ rpl/src/instructions_s1.c	2011/09/20 08:56:23	1.39
@@ -3403,9 +3403,6 @@ instruction_syseval(struct_processus *s_
 
 	pid_t						pid;
 
-	sigset_t					oldset;
-	sigset_t					set;
-
 	ssize_t						longueur_ecriture;
 
 	struct_liste_chainee		*l_element_courant;
@@ -3702,16 +3699,10 @@ instruction_syseval(struct_processus *s_
 
 		fflush(NULL);
 
-		sigfillset(&set);
-		pthread_sigmask(SIG_BLOCK, &set, &oldset);
-
 		verrouillage_threads_concurrents(s_etat_processus);
 		pid = fork();
 		deverrouillage_threads_concurrents(s_etat_processus);
 
-		pthread_sigmask(SIG_SETMASK, &oldset, NULL);
-		sigpending(&set);
-
 		if (pid < 0)
 		{
 			if (close(pipes_entree[0]) != 0)
@@ -3867,8 +3858,7 @@ instruction_syseval(struct_processus *s_
 					longueur_ecriture = strlen((unsigned char *)
 							(*(*l_element_courant).donnee).objet);
 
-					if (pthread_mutex_unlock(&((*s_etat_processus).mutex_fork))
-							!= 0)
+					if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
 					{
 						(*s_etat_processus).erreur_systeme = d_es_processus;
 						return;
@@ -3879,8 +3869,8 @@ instruction_syseval(struct_processus *s_
 							(*(*l_element_courant).donnee).objet,
 							longueur_ecriture) != longueur_ecriture)
 					{
-						while(pthread_mutex_lock(&((*s_etat_processus)
-								.mutex_fork)) != 0)
+						while(sem_wait(&((*s_etat_processus)
+								.semaphore_fork)) != 0)
 						{
 							(*s_etat_processus).erreur_systeme =
 									d_es_processus;
@@ -3893,8 +3883,8 @@ instruction_syseval(struct_processus *s_
 							return;
 						}
 
-						if (pthread_mutex_unlock(&((*s_etat_processus)
-								.mutex_fork)) != 0)
+						if (sem_post(&((*s_etat_processus)
+								.semaphore_fork)) != 0)
 						{
 							(*s_etat_processus).erreur_systeme = d_es_processus;
 							return;
@@ -3904,8 +3894,8 @@ instruction_syseval(struct_processus *s_
 					while(write_atomic(s_etat_processus,
 							pipes_entree[1], "\n", 1) != 1)
 					{
-						if (pthread_mutex_lock(&((*s_etat_processus)
-								.mutex_fork)) != 0)
+						if (sem_wait(&((*s_etat_processus)
+								.semaphore_fork)) != 0)
 						{
 							(*s_etat_processus).erreur_systeme =
 									d_es_processus;
@@ -3918,16 +3908,15 @@ instruction_syseval(struct_processus *s_
 							return;
 						}
 
-						if (pthread_mutex_unlock(&((*s_etat_processus)
-								.mutex_fork)) != 0)
+						if (sem_post(&((*s_etat_processus)
+								.semaphore_fork)) != 0)
 						{
 							(*s_etat_processus).erreur_systeme = d_es_processus;
 							return;
 						}
 					}
 
-					if (pthread_mutex_lock(&((*s_etat_processus).mutex_fork))
-							!= 0)
+					if (sem_wait(&((*s_etat_processus).semaphore_fork)) != 0)
 					{
 						(*s_etat_processus).erreur_systeme = d_es_processus;
 						return;
@@ -3954,8 +3943,7 @@ instruction_syseval(struct_processus *s_
 				 * Récupération de la valeur de retour du processus détaché
 				 */
 
-				if (pthread_mutex_unlock(&((*s_etat_processus).mutex_fork))
-						!= 0)
+				if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
 				{
 					(*s_etat_processus).erreur_systeme = d_es_processus;
 					return;
@@ -3963,8 +3951,7 @@ instruction_syseval(struct_processus *s_
 
 				if (waitpid(pid, &status, 0) == -1)
 				{
-					if (pthread_mutex_lock(&((*s_etat_processus).mutex_fork))
-							!= 0)
+					if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
 					{
 						(*s_etat_processus).erreur_systeme = d_es_processus;
 						return;
@@ -3974,7 +3961,7 @@ instruction_syseval(struct_processus *s_
 					return;
 				}
 
-				if (pthread_mutex_lock(&((*s_etat_processus).mutex_fork)) != 0)
+				if (sem_wait(&((*s_etat_processus).semaphore_fork)) != 0)
 				{
 					(*s_etat_processus).erreur_systeme = d_es_processus;
 					return;
@@ -3992,7 +3979,7 @@ instruction_syseval(struct_processus *s_
 				return;
 			}
 
-			if (pthread_mutex_unlock(&((*s_etat_processus).mutex_fork)) != 0)
+			if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
 			{
 				(*s_etat_processus).erreur_systeme = d_es_processus;
 				return;
@@ -4002,7 +3989,7 @@ instruction_syseval(struct_processus *s_
 					pipes_sortie[0], &(tampon[pointeur]),
 					longueur_lecture)) > 0)
 			{
-				while(pthread_mutex_lock(&((*s_etat_processus).mutex_fork))
+				while(sem_wait(&((*s_etat_processus).semaphore_fork))
 						!= 0)
 				{
 					(*s_etat_processus).erreur_systeme = d_es_processus;
@@ -4022,7 +4009,7 @@ instruction_syseval(struct_processus *s_
 					return;
 				}
 
-				if (pthread_mutex_unlock(&((*s_etat_processus).mutex_fork))
+				if (sem_post(&((*s_etat_processus).semaphore_fork))
 						!= 0)
 				{
 					(*s_etat_processus).erreur_systeme = d_es_processus;
@@ -4030,7 +4017,7 @@ instruction_syseval(struct_processus *s_
 				}
 			}
 
-			if (pthread_mutex_lock(&((*s_etat_processus).mutex_fork)) != 0)
+			if (sem_wait(&((*s_etat_processus).semaphore_fork)) != 0)
 			{
 				(*s_etat_processus).erreur_systeme = d_es_processus;
 				return;
@@ -4175,7 +4162,7 @@ instruction_syseval(struct_processus *s_
 			return;
 		}
  
-		if (pthread_mutex_unlock(&((*s_etat_processus).mutex_fork)) != 0)
+		if (sem_post(&((*s_etat_processus).semaphore_fork)) != 0)
 		{
 			(*s_etat_processus).erreur_systeme = d_es_processus;
 			return;
@@ -4192,7 +4179,7 @@ instruction_syseval(struct_processus *s_
 				&((*s_etat_processus).l_base_pile), s_objet_resultat)
 				== d_erreur)
 		{
-			if (pthread_mutex_lock(&((*s_etat_processus).mutex_fork)) != 0)
+			if (sem_wait(&((*s_etat_processus).semaphore_fork)) != 0)
 			{
 				(*s_etat_processus).erreur_systeme = d_es_processus;
 				return;
@@ -4208,7 +4195,7 @@ instruction_syseval(struct_processus *s_
 			return;
 		}
 
-		if (pthread_mutex_lock(&((*s_etat_processus).mutex_fork)) != 0)
+		if (sem_wait(&((*s_etat_processus).semaphore_fork)) != 0)
 		{
 			(*s_etat_processus).erreur_systeme = d_es_processus;
 			return;