From owner-svn-src-head@FreeBSD.ORG  Fri Nov  6 07:17:32 2009
Return-Path: <owner-svn-src-head@FreeBSD.ORG>
Delivered-To: svn-src-head@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 280BE1065672;
	Fri,  6 Nov 2009 07:17:32 +0000 (UTC) (envelope-from ed@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c])
	by mx1.freebsd.org (Postfix) with ESMTP id 173508FC0C;
	Fri,  6 Nov 2009 07:17:32 +0000 (UTC)
Received: from svn.freebsd.org (localhost [127.0.0.1])
	by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id nA67HVga006553;
	Fri, 6 Nov 2009 07:17:31 GMT (envelope-from ed@svn.freebsd.org)
Received: (from ed@localhost)
	by svn.freebsd.org (8.14.3/8.14.3/Submit) id nA67HVou006550;
	Fri, 6 Nov 2009 07:17:31 GMT (envelope-from ed@svn.freebsd.org)
Message-Id: <200911060717.nA67HVou006550@svn.freebsd.org>
From: Ed Schouten <ed@FreeBSD.org>
Date: Fri, 6 Nov 2009 07:17:31 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
	svn-src-head@freebsd.org
X-SVN-Group: head
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Cc: 
Subject: svn commit: r198973 - in head: lib/libc/sys sys/sys
X-BeenThere: svn-src-head@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: SVN commit messages for the src tree for head/-current
	<svn-src-head.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-head>,
	<mailto:svn-src-head-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-head>
List-Post: <mailto:svn-src-head@freebsd.org>
List-Help: <mailto:svn-src-head-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-head>,
	<mailto:svn-src-head-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 06 Nov 2009 07:17:32 -0000

Author: ed
Date: Fri Nov  6 07:17:31 2009
New Revision: 198973
URL: http://svn.freebsd.org/changeset/base/198973

Log:
  Add MAP_ANONYMOUS.
  
  Many operating systems also provide MAP_ANONYMOUS. It's not hard to
  support this ourselves, we'd better add it to make it more likely for
  applications to work out of the box.
  
  Reviewed by:	alc (mman.h)

Modified:
  head/lib/libc/sys/mmap.2
  head/sys/sys/mman.h

Modified: head/lib/libc/sys/mmap.2
==============================================================================
--- head/lib/libc/sys/mmap.2	Fri Nov  6 07:02:16 2009	(r198972)
+++ head/lib/libc/sys/mmap.2	Fri Nov  6 07:17:31 2009	(r198973)
@@ -28,7 +28,7 @@
 .\"	@(#)mmap.2	8.4 (Berkeley) 5/11/95
 .\" $FreeBSD$
 .\"
-.Dd July 26, 2009
+.Dd November 6, 2009
 .Dt MMAP 2
 .Os
 .Sh NAME
@@ -108,6 +108,10 @@ The
 argument is ignored.
 .\".It Dv MAP_FILE
 .\"Mapped from a regular file or character-special device memory.
+.It Dv MAP_ANONYMOUS
+This flag is identical to
+.Dv MAP_ANON
+and is provided for compatibility.
 .It Dv MAP_FIXED
 Do not permit the system to select a different address than the one
 specified.

Modified: head/sys/sys/mman.h
==============================================================================
--- head/sys/sys/mman.h	Fri Nov  6 07:02:16 2009	(r198972)
+++ head/sys/sys/mman.h	Fri Nov  6 07:17:31 2009	(r198973)
@@ -82,6 +82,9 @@
  */
 #define	MAP_FILE	 0x0000	/* map from file (default) */
 #define	MAP_ANON	 0x1000	/* allocated from memory, swap space */
+#ifndef _KERNEL
+#define	MAP_ANONYMOUS	 MAP_ANON /* For compatibility. */
+#endif /* !_KERNEL */
 
 /*
  * Extended flags