diff --git a/newlib/ChangeLog b/newlib/ChangeLog
index e34000fc4..9e7a64f8b 100644
--- a/newlib/ChangeLog
+++ b/newlib/ChangeLog
@@ -1,3 +1,8 @@
+Wed May 03 17:57:00 2000  Corinna Vinschen <corinna@vinschen.de>
+
+        * libc/include/sys/errno.h: Add define for ENOSHARE ("No such
+        host or network path") used by cygwin. Add some comments.
+
 Tue May 02 23:45:48 2000  DJ Delorie  <dj@cygnus.com>
 
 	* libc/include/stdio.h (FILE): define __SCLE for "convert line
diff --git a/newlib/libc/include/sys/errno.h b/newlib/libc/include/sys/errno.h
index 0247fa232..6d85d49a9 100644
--- a/newlib/libc/include/sys/errno.h
+++ b/newlib/libc/include/sys/errno.h
@@ -141,7 +141,8 @@ extern int _sys_nerr __declspec(dllimport);
 #define EDQUOT 132
 #define ESTALE 133
 #define ENOTSUP 134
-#define ENOMEDIUM 135
+#define ENOMEDIUM 135   /* No medium (in tape drive) */
+#define ENOSHARE 136    /* No such host or network path */
 
 /* From cygwin32.  */
 #define EWOULDBLOCK EAGAIN	/* Operation would block */