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From: David Miller <>
Subject: Re: <linux/socket.h>, <linux/stat.h> breakage: AF_* constants are part of ABI definition
Date: Thu, 22 Feb 2007 03:11:49 -0800 (PST)	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

From: "H. Peter Anvin" <>
Date: Mon, 19 Feb 2007 13:06:28 -0800

> In the current git tree, commit 57a87bb0720a5cf7a9ece49a8c8ed288398fd1bb 
> removes any way to automatically extracting a whole lot of ABI constants 
> from the kernel headers, especially AF_* and the various S_* constants.
> Furthermore, the patch breaks <linux/in.h> which uses sa_family_t, which 
> is now defined under __KERNEL__.
> This patch breaks klibc in ways that are painfully hard to fix, and 
> *definitely* cannot be fixed by anything less than replication of all 
> these definitions, which is exactly the Wrong Thing[TM].
> A much better solution (or complement) would be something like:
> #if defined(__KERNEL__) || defined(__KHDR_CONSTANTS)
> We could have __KHDR_CONSTANTS for the AF_* constants and __KHDR_MACROS 
> for the various macros (cmsg et al).  That way the userspace library can 
> ask for what it wants.

I'll think about what to do about this, thanks for pointing out
the problem.

      reply	other threads:[~2007-02-22 11:11 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-19 21:06 H. Peter Anvin
2007-02-22 11:11 ` David Miller [this message]

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