--- /sys/include/libc.h.orig	Fri Dec 22 02:30:03 2017
+++ ../frontmods/include/libc.h	Fri Dec 22 02:26:47 2017
@@ -590,6 +590,7 @@
 	RFPROC		= (1<<4),
 	RFMEM		= (1<<5),
 	RFNOWAIT	= (1<<6),
+	RFCSRVG		= (1<<9),
 	RFCNAMEG	= (1<<10),
 	RFCENVG		= (1<<11),
 	RFCFDG		= (1<<12),