Date: Sat, 27 Dec 2003 21:29:12 +0100 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Oliver Brandmueller <ob@e-Gitt.NET> Cc: freebsd-current@freebsd.org Subject: Re: file descriptor leak in 5.2-RC Message-ID: <6154.1072556952@critter.freebsd.dk> In-Reply-To: Your message of "Sat, 27 Dec 2003 21:17:06 %2B0100." <20031227201706.GF86308@e-Gitt.NET>
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In message <20031227201706.GF86308@e-Gitt.NET>, Oliver Brandmueller writes: >Hi. > >On Sat, Dec 27, 2003 at 02:01:21PM +0000, Bjoern A. Zeeb wrote: >> when daemonizing you open /dev/null and dup2 it to 0,1,2 >> to detach from stdin,out,err. > >Yes, of course. But they still should not keep lying around when going >to single user and should be visible in fstat / lsof, if everything were >OK and this were just an application problem. > >I'm currently checking if I can find something in older sources of >/dev/null - although I would appreciate help in diggin' around here, I'm >just an admin, not a programmer. And by far no kernel hacker. I do not belive you will find this problem in the device driver source for /dev/null. It is somewhere above that level where the reference fails to drop. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.
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