--- sys/sys/resource.h.orig	2004-09-12 16:12:19.000000000 -0300
+++ sys/sys/resource.h	2004-09-12 16:19:35.000000000 -0300
@@ -91,8 +91,9 @@
 #define	RLIMIT_SBSIZE	9		/* maximum size of all socket buffers */
 #define	RLIMIT_VMEM	10		/* virtual process size (inclusive of mmap) */
 #define	RLIMIT_POSIXLOCKS 11		/* maximum number of POSIX locks per user */
+#define	RLIMIT_FORK	12		/* maximum fork depth */
 
-#define	RLIM_NLIMITS	12		/* number of resource limits */
+#define	RLIM_NLIMITS	13		/* number of resource limits */
 
 #define	RLIM_INFINITY	((rlim_t)(((u_quad_t)1 << 63) - 1))