On Sat, Sep 25, 2004 at 05:29:48AM +0200, Joey Hess wrote:
> Package: debconf
> Tags: patch
>
> ----- Forwarded message from Miro <[EMAIL PROTECTED]> -----
>
> From: Miro <[EMAIL PROTECTED]>
> Date: Fri, 24 Sep 2004 19:08:09 +0200
> To: Joey Hess <[EMAIL PROTECTED]>
> Subject: Debconf patch
> User-Agent: Mutt/1.4.2i
>
> Hello,
>
> I had problems with apt-get after patching perl source and recompiling
> it to permit flock by fcntl (webservers working with a NetApp).
>
> I had this type of error from machines:
> web4:~# dpkg -i /var/cache/apt/archives/screen_4.0.2-3_i386.deb
> (Reading database ... 21690 files and directories currently installed.)
> Unpacking screen (from .../screen_4.0.2-3_i386.deb) ...
> debconf: DbDriver "configdb" error: /var/cache/debconf/config.dat is locked
> by another process
> dpkg: error processing /var/cache/apt/archives/screen_4.0.2-3_i386.deb
> (--install):
> subprocess pre-installation script returned error exit status 1
> Errors were encountered while processing:
> /var/cache/apt/archives/screen_4.0.2-3_i386.deb
>
> In fact, the way flock is used in Directory.pm and File.pm doesn't
> work with fcntl calls.
> I have joined the patch with this mail.
>
> Thanks
> Miroslaw KLABA
> ovh.com
>
> diff -ru debconf-1.4.30.5.orig/Debconf/DbDriver/Directory.pm
> debconf-1.4.30.5/Debconf/DbDriver/Directory.pm
> --- debconf-1.4.30.5.orig/Debconf/DbDriver/Directory.pm 2004-09-13
> 11:55:39.000000000 +0200
> +++ debconf-1.4.30.5/Debconf/DbDriver/Directory.pm 2004-09-24
> 18:58:25.000000000 +0200
> @@ -92,7 +92,7 @@
> # dropped when this object is destroyed.
> open ($this->{lock}, ">".$this->{directory}."/.lock") or
> $this->error("could not lock $this->{directory}: $!");
> - flock($this->{lock}, LOCK_EX | LOCK_NB) or
> + (flock($this->{lock}, LOCK_EX | LOCK_NB) < 0) and
> $this->error("$this->{directory} is locked by another
> process");
Surely this is a perl bug, or a bug in your (Miro's) perl patch? The
perl flock() documentation is very clear on its return value:
Calls flock(2), or an emulation of it, on FILEHANDLE. Returns
true for success, false on failure.
Cheers,
--
Colin Watson [EMAIL PROTECTED]
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