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Date: Thu, 08 Dec 2005 07:50:14 +0800
From: David Xu <davidxu@freebsd.org>
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To: Doug Ambrisko <ambrisko@ambrisko.com>
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/sys signal.h
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Doug Ambrisko wrote:

>David Xu writes:
>| David Xu wrote:
>| > davidxu     2005-12-06 06:02:35 UTC
>| > 
>| >   FreeBSD src repository
>| > 
>| >   Modified files:
>| >     sys/sys              signal.h 
>| >   Log:
>| >   o Add some pad fields into struct sigevent for future extension.
>| >     (suggested by alfred@)
>| >   o Reuse si_band field in struct __siginfo, add a mqd member which will
>| >     be used by mqueue.
>| >   o Add code SI_KERNEL to indicate a signal is queued by kernel.
>| >   
>| >   Revision  Changes    Path
>| >   1.54      +14 -2     src/sys/sys/signal.h
>| 
>| You have to rebuild world and your program if you are using aio,
>| signal queue, timer, or mqueue which are new to many FreeBSD
>| people. ;-)
>
>Does this include people running FreeBSD 4.X compiled programs on -current?
>
>Doug A.
>
>
>  
>
4.x, 5.x and 6.x binary should run, I don't think I broke the binary
compatible, I patched kernel aio to keep the binary compatible.
Except aio, all the POSIX extensions here only exist in -CURRENT,
before 7.0 release, I can change them without binary compatible
problem.

David Xu