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Date: Tue, 23 Jun 2009 14:00:00 -0700
From: Julian Elischer <julian@elischer.org>
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To: John Baldwin <jhb@freebsd.org>
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Cc: Brian Somers <brian@awfulhak.org>, svn-src-all@freebsd.org,
	src-committers@freebsd.org, svn-src-stable-other@freebsd.org,
	svn-src-stable@freebsd.org
Subject: Re: svn commit: r194744 - in stable/4/lib/libc: . gen
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John Baldwin wrote:
> On Tuesday 23 June 2009 3:37:18 pm Julian Elischer wrote:
>> John Baldwin wrote:
>>> On Tuesday 23 June 2009 2:13:48 pm Brian Somers wrote:
>>>> On Tue, 23 Jun 2009 17:44:55 +0000 (UTC), John Baldwin <jhb@FreeBSD.org> 
> wrote:
>>>>> Author: jhb
>>>>> Date: Tue Jun 23 17:44:55 2009
>>>>> New Revision: 194744
>>>>> URL: http://svn.freebsd.org/changeset/base/194744
>>>>>
>>>>> Log:
>>>>>   MF7: If the running kernel has support for shm_open() and shm_unlink() 
> as
>>>>>   system calls (i.e. 8.0+), then invoke the system calls instead of 
> using
>>>>>   open/fcntl/unlink.
>>>>>
>>>>> Modified:
>>>>>   stable/4/lib/libc/   (props changed)
>>>>>   stable/4/lib/libc/gen/posixshm.c
>>>> In preparation for the 4.12 release? ;^1
>>> I expect there will be several companies running 4.x binaries under 8.x
>>> kernels actually.  There are ones doing it under 7.x now.
>> this is going to break my 1.0 compatibility right?
> 
> No, not at all.  1.0 binaries do not use libc.so.4.
> 
but you are taking away the semsys syscall right?