--- rpl/src/instructions_s10.c	2013/05/23 12:45:08	1.77
+++ rpl/src/instructions_s10.c	2013/05/28 22:09:55	1.78
@@ -522,12 +522,28 @@ instruction_spawn(struct_processus *s_et
 				{
 					scrutation_injection(s_etat_processus);
 
+					if (pthread_mutex_lock(&((*s_etat_processus)
+							.mutex_interruptions)) != 0)
+					{
+						pthread_mutex_unlock(&((*s_etat_processus).mutex));
+						(*s_etat_processus).erreur_systeme = d_es_processus;
+						return;
+					}
+
 					if ((*s_etat_processus).nombre_interruptions_non_affectees
 							!= 0)
 					{
 						affectation_interruptions_logicielles(s_etat_processus);
 					}
 
+					if (pthread_mutex_unlock(&((*s_etat_processus)
+							.mutex_interruptions)) != 0)
+					{
+						pthread_mutex_unlock(&((*s_etat_processus).mutex));
+						(*s_etat_processus).erreur_systeme = d_es_processus;
+						return;
+					}
+
 					if ((*s_etat_processus).nombre_interruptions_en_queue != 0)
 					{
 						traitement_interruptions_logicielles(s_etat_processus);