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Date:      Sat, 12 Jan 2002 18:02:31 -0800 (PST)
From:      John Baldwin <jhb@FreeBSD.org>
To:        John Baldwin <jhb@FreeBSD.org>
Cc:        smp@freebsd.org, dillon@freebsd.org, tanimura@freebsd.org, Alfred Perlstein <bright@mu.org>
Subject:   Re: fd locking.
Message-ID:  <XFMail.020112180231.jhb@FreeBSD.org>
In-Reply-To: <XFMail.020112174456.jhb@FreeBSD.org>

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On 13-Jan-02 John Baldwin wrote:
> 
> On 13-Jan-02 Alfred Perlstein wrote:
>> * Alfred Perlstein <bright@mu.org> [020112 03:11] wrote:
>>> I've got world building with these patches.
>>> 
>>> http://people.freebsd.org/~alfred/fd.diff
>>> 
>>> or
>>> 
>>> http://people.freebsd.org/~alfred/fd.diff.gz
>> 
>> I've been asked for an archetectural overview.

One bug:

--- compat/svr4/svr4_fcntl.c    2001/09/12 08:36:58  
+++ compat/svr4/svr4_fcntl.c    2002/01/08 08:39:08
@@ -341,7 +349,10 @@
        SCARG(&ft, fd) = fd;
        SCARG(&ft, length) = start;

-       return ftruncate(td, &ft);
+       error = ftruncate(p, &ft);
+
+       fdrop(fp, td);
+       return (error);
 }

 int

ftruncate() takes a thread, not a proc.

-- 

John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/

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