--- rpl/src/instructions_a5.c	2013/05/23 12:45:08	1.48
+++ rpl/src/instructions_a5.c	2013/05/28 22:09:55	1.49
@@ -272,7 +272,8 @@ instruction_alarm(struct_processus *s_et
 
 				scrutation_injection(s_etat_processus);
 
-				if (pthread_mutex_lock(&((*s_etat_processus).mutex)) != 0)
+				if (pthread_mutex_lock(&((*s_etat_processus)
+						.mutex_interruptions)) != 0)
 				{
 					(*s_etat_processus).erreur_systeme = d_es_processus;
 					return;
@@ -283,15 +284,16 @@ instruction_alarm(struct_processus *s_et
 					affectation_interruptions_logicielles(s_etat_processus);
 				}
 
-				if ((*s_etat_processus).nombre_interruptions_en_queue != 0)
+				if (pthread_mutex_unlock(&((*s_etat_processus)
+						.mutex_interruptions)) != 0)
 				{
-					traitement_interruptions_logicielles(s_etat_processus);
+					(*s_etat_processus).erreur_systeme = d_es_processus;
+					return;
 				}
 
-				if (pthread_mutex_unlock(&((*s_etat_processus).mutex)) != 0)
+				if ((*s_etat_processus).nombre_interruptions_en_queue != 0)
 				{
-					(*s_etat_processus).erreur_systeme = d_es_processus;
-					return;
+					traitement_interruptions_logicielles(s_etat_processus);
 				}
 
 				gettimeofday(&fin_interruption, NULL);