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Re: [PATCH] xfsdump: fix system() error reporting

from [Timothy Shimmin] [Permanent Link][Original]
To: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Subject: Re: [PATCH] xfsdump: fix system() error reporting
From: Timothy Shimmin <timothy.shimmin@xxxxxxxxx>
Date: Wed, 18 Feb 2009 17:38:48 +1100
Cc: xfs@xxxxxxxxxxx
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In-reply-to: <20090217093824.GB15620@xxxxxxxxxxxxx>
References: <20090216102845.GA6835@xxxxxxxxxxxxx> <d38e348a0902161608r466a2582pfd5fd75e17a66f12@xxxxxxxxxxxxxx> <20090217093824.GB15620@xxxxxxxxxxxxx>
On Tue, Feb 17, 2009 at 8:38 PM, Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote:
On Tue, Feb 17, 2009 at 11:08:33AM +1100, Timothy Shimmin wrote:
> Hi Christoph,
>
> Looks reasonable.
> Though, in the case of returning -1, it might be more interesting
> to know the value of errno ? (I presume errno would be set in that case).

From looking at the manpage and the glibc implementation it seem like
system does not actually set errno.


Fair enough.

Yeah, it didn't seem clear in the man page and
I thought it might make a call to fork, waitpid etc which might set an errno.

Cheers,
Tim.
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