From: "Dmitry V. Levin" <ldv@altlinux.org>
To: ALT Devel discussion list <devel@altlinux.ru>
Subject: [devel] Re: [sisyphus] [JT] start-stop-daemon
Date: Mon, 26 May 2003 16:58:33 +0400
Message-ID: <20030526125833.GA8511@basalt.office.altlinux.org> (raw)
In-Reply-To: <20030526124114.GA4133@kadath.ramax.spb.ru>
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On Mon, May 26, 2003 at 04:41:14PM +0400, Igor Homyakov wrote:
> вопрос скорее для devel@
>
> Распространенная практика когда после закрытия дискрипторов 1,2,3
> открывается /dev/null, не мешает этому ? (и если да, то как это фиксить)
>
> то есть код примерно такого вида
> for(i= 0; i < 3; i++)
> if(close(i) == -1 || open("/dev/null", O_RDWR) != i)
> error("Cannot reopen standard file descriptor (%d) -- %s\n", i, STRERROR);
Распространённая практика исправления - открыть /dev/null до перехода в
chroot, и потом делать dup2 на стандартные дескрипторы.
--
ldv
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parent reply other threads:[~2003-05-26 12:58 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <20030526124114.GA4133@kadath.ramax.spb.ru>]
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