--- a/targets/beremiz.h	Thu Jul 29 11:59:28 2021 +0200
+++ b/targets/beremiz.h	Mon Aug 16 22:49:08 2021 +0200
@@ -26,5 +26,9 @@
 #endif
 
 long AtomicCompareExchange(long* atomicvar,long compared, long exchange);
+void *create_RT_to_nRT_signal(char* name);
+void delete_RT_to_nRT_signal(void* handle);
+int wait_RT_to_nRT_signal(void* handle);
+int unblock_RT_to_nRT_signal(void* handle);
 
 #endif