Re: flag parameters: socket and socketpair

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To: <torvalds@...>, <drepper@...>
Cc: <sgrubb@...>, Linux Kernel Mailing List <linux-kernel@...>
Date: Tuesday, August 26, 2008 - 10:29 am

On Thu, 2008-07-24 at 23:08 +0000, Linux Kernel Mailing List wrote:


Hm. This leads to errors such as the ones shown at
http://koji.fedoraproject.org/koji/getfile?taskID=785282&name=build.log

In file included from /usr/include/asm/fcntl.h:1,
                 from /usr/include/linux/fcntl.h:4,
                 from /usr/include/linux/net.h:23,
                 from gen_tables.c:28:
/usr/include/asm-generic/fcntl.h:120: error: expected specifier-qualifier-list before 'off_t'
/usr/include/asm-generic/fcntl.h:143: error: expected specifier-qualifier-list before 'loff_t'

You don't need to include <linux/fcntl.h> in the !__KERNEL__ case, so
that inclusion should probably live within the existing #ifdef
__KERNEL__, so we don't pull <linux/fcntl.h> in where it's not needed.

-----
Subject: Fix userspace export of <linux/net.h>

Including <linux/fcntl.h> in the user-visible part of this header has
caused build regressions with headers from 2.6.27-rc. Move it down to
the #ifdef __KERNEL__ part, which is the only place it's needed. Move
some other kernel-only things down there too, while we're at it.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

diff --git a/include/linux/net.h b/include/linux/net.h
index 4a9a30f..6dc14a2 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -18,16 +18,9 @@
 #ifndef _LINUX_NET_H
 #define _LINUX_NET_H
 
-#include <linux/wait.h>
 #include <linux/socket.h>
-#include <linux/fcntl.h>	/* For O_CLOEXEC and O_NONBLOCK */
 #include <asm/socket.h>
 
-struct poll_table_struct;
-struct pipe_inode_info;
-struct inode;
-struct net;
-
 #define NPROTO		AF_MAX
 
 #define SYS_SOCKET	1		/* sys_socket(2)		*/
@@ -62,6 +55,13 @@ typedef enum {
 #ifdef __KERNEL__
 #include <linux/stringify.h>
 #include <linux/random.h>
+#include <linux/wait.h>
+#include <linux/fcntl.h>	/* For O_CLOEXEC and O_NONBLOCK */
+
+struct poll_table_struct;
+struct pipe_inode_info;
+struct inode;
+struct net;
 
 #define SOCK_ASYNC_NOSPACE	0
 #define SOCK_ASYNC_WAITDATA	1

-- 
David Woodhouse                            Open Source Technology Centre
David.Woodhouse@intel.com                              Intel Corporation



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Re: flag parameters: socket and socketpair, David Woodhouse, (Tue Aug 26, 10:29 am)