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From: "H. Peter Anvin" <hpa@zytor.com>
To: Masatake YAMATO <jet@gyve.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [patch] sharing maximum errno symbol used in __syscall_return (i386)
Date: Tue, 20 Jun 2006 21:21:46 -0700	[thread overview]
Message-ID: <4498C95A.3090909@zytor.com> (raw)
In-Reply-To: <20060620.184010.225581173.jet@gyve.org>

Masatake YAMATO wrote:
> Hi,
> 
> __syscall_return in unistd.h is maintained?
> 
> In the macro the value returned from system call is
> compared with the maximum error number defined in a header file 
> to know the call is successful or not. However, the maximum error number 
> is hard-coded and is not updated.
> 

And it's wrong, anyway.  It has long been agreed that the maximum errno 
value, for any architecture, is 4095.

	-hpa

  parent reply	other threads:[~2006-06-21  4:21 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-06-20  9:40 [patch] sharing maximum errno symbol used in __syscall_return (i386) Masatake YAMATO
2006-06-21  0:04 ` Randy.Dunlap
2006-06-21  4:21 ` H. Peter Anvin [this message]
2006-06-21  6:02   ` Masatake YAMATO
2006-06-21  6:05     ` H. Peter Anvin

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