--- rpl/src/instructions_d5.c	2015/01/30 07:53:15	1.124
+++ rpl/src/instructions_d5.c	2015/02/01 09:47:18	1.125
@@ -1088,6 +1088,12 @@ instruction_detach(struct_processus *s_e
 		return;
 	}
 
+	if (pthread_mutex_lock(&((*s_etat_processus).mutex_allocation_buffer)) != 0)
+	{
+		(*s_etat_processus).erreur_systeme = d_es_processus;
+		return;
+	}
+
 	fflush(NULL);
 
 	/*
@@ -1099,6 +1105,13 @@ instruction_detach(struct_processus *s_e
 	(*s_argument_thread).pid = fork();
 	deverrouillage_threads_concurrents(s_etat_processus);
 
+	if (pthread_mutex_unlock(&((*s_etat_processus).mutex_allocation_buffer))
+			!= 0)
+	{
+		(*s_etat_processus).erreur_systeme = d_es_processus;
+		return;
+	}
+
 	(*s_argument_thread).thread_pere = pthread_self();
 	(*s_argument_thread).processus_detache = d_vrai;
 
@@ -2780,7 +2793,6 @@ instruction_detach(struct_processus *s_e
 
 		pthread_mutex_destroy(&((*s_etat_processus).mutex_pile_processus));
 		pthread_mutex_destroy(&((*s_etat_processus).mutex_allocation));
-		pthread_mutex_destroy(&((*s_etat_processus).mutex_allocation_buffer));
 		pthread_mutex_destroy(&((*s_etat_processus).mutex_interruptions));
 		pthread_mutex_destroy(&((*s_etat_processus).mutex_signaux));
 		pthread_mutex_destroy(&((*s_etat_processus).protection_liste_mutexes));
@@ -2804,6 +2816,7 @@ instruction_detach(struct_processus *s_e
 		liberation_contexte_cas(s_etat_processus);
 		arret_thread_signaux(s_etat_processus);
 		liberation_allocateur_buffer(s_etat_processus);
+		pthread_mutex_destroy(&((*s_etat_processus).mutex_allocation_buffer));
 		sys_free(s_etat_processus);
 
 #		ifdef DEBUG_MEMOIRE