--- rpl/src/interruptions.c	2013/02/22 19:48:22	1.114
+++ rpl/src/interruptions.c	2013/02/26 19:56:17	1.117
@@ -1,7 +1,7 @@
 /*
 ================================================================================
   RPL/2 (R) version 4.1.12
-  Copyright (C) 1989-2012 Dr. BERTRAND Joël
+  Copyright (C) 1989-2013 Dr. BERTRAND Joël
 
   This file is part of RPL/2.
 
@@ -81,6 +81,11 @@ thread_surveillance_signaux(void *argume
 
 	volatile struct_liste_chainee_volatile	*l_element_courant;
 
+	sigset_t								set;
+
+	sigfillset(&set);
+	pthread_sigmask(SIG_BLOCK, &set, NULL);
+
 	s_etat_processus = (struct_processus *) argument;
 
 	for(;;)