From 3ea3e23b8d98c51ea5ff58f6c20249cc4d44f047 Mon Sep 17 00:00:00 2001
From: bde <bde@FreeBSD.org>
Date: Wed, 18 Dec 1996 14:02:56 +0000
Subject: [PATCH] Restored comment about _POSIX_SAVED_IDS from rev.1.2.

---
 sys/sys/unistd.h | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/sys/sys/unistd.h b/sys/sys/unistd.h
index b0d229fa75cf..9dd291683a59 100644
--- a/sys/sys/unistd.h
+++ b/sys/sys/unistd.h
@@ -31,7 +31,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)unistd.h	8.2 (Berkeley) 1/7/94
- * $Id: unistd.h,v 1.9 1996/11/29 14:48:17 bde Exp $
+ * $Id: unistd.h,v 1.10 1996/12/06 22:51:11 ache Exp $
  */
 
 #ifndef _SYS_UNISTD_H_
@@ -41,10 +41,14 @@
 #define	_POSIX_JOB_CONTROL	/* implementation supports job control */
 
 /*
- * We use the saved IDs in seteuid/setegid, which are not currently
+ * Although we have saved user/group IDs, we do not use them in setuid
+ * as described in POSIX 1003.1, because the feature does not work for
+ * root.  We use the saved IDs in seteuid/setegid, which are not currently
  * part of the POSIX 1003.1 specification.
  */
-/* #define	_POSIX_SAVED_IDS */	/* saved set-user-ID and set-group-ID */
+#ifdef	_NOT_AVAILABLE
+#define	_POSIX_SAVED_IDS	/* saved set-user-ID and set-group-ID */
+#endif
 
 #define	_POSIX_VERSION		199009L
 #define	_POSIX2_VERSION		199212L