diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 6f1267da4..2eb3a3d0c 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,7 @@
+Wed Jan 31 13:20:00 2001  Corinna Vinschen <corinna@vinschen.de>
+
+	* include/sys/resources.h: Add RLIMIT_NLIMITS and RLIM_NLIMITS.
+
 Tue Jan 30 18:15:23 2001  Christopher Faylor <cgf@cygnus.com>
 
 	* include/cygwin/version.h: Bump version to 1.3.0.
diff --git a/winsup/cygwin/include/sys/resource.h b/winsup/cygwin/include/sys/resource.h
index 1f859cf0f..a84a85dea 100644
--- a/winsup/cygwin/include/sys/resource.h
+++ b/winsup/cygwin/include/sys/resource.h
@@ -16,6 +16,9 @@ extern "C" {
 #define RLIMIT_OFILE	RLIMIT_NOFILE	/* BSD name */
 #define RLIMIT_AS	6		/* address space (virt. memory) limit */
 
+#define RLIMIT_NLIMITS  7		/* upper bound of RLIMIT_* defines */
+#define RLIM_NLIMITS    RLIM_NLIMITS
+
 #define RLIM_INFINITY	(0xffffffffUL)
 #define RLIM_SAVED_MAX	RLIM_INFINITY
 #define RLIM_SAVED_CUR	RLIM_INFINITY