lkml.org 
[lkml]   [1996]   [Jun]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
Newsgroups: linux.dev.kernel
Path: not-for-mail
From: Olaf Titz <olaf@bigred.inka.de>
Subject: Re: Linux 2.0.0 fails to return Text File Busy for .so files
Message-ID: <dtaidb.jz3@bigred.inka.de>
Date: 20 Jun 1996 10:31:55 +0200
References: <Pine.LNX.3.91.960617110023.11195A-100000@davids.wiznet.net>
<199606171812.UAA01639@informatik.uni-koblenz.de>
Organization: private Linux site, southern Germany
Lines: 26

Systemkennung Linux <linux@mailhost.uni-koblenz.de> wrote:
> > think if a shared library is busy, any attempt to modify it should return
> > ETXTBSY, right?

To write it, yes. To unlink it, no - as with application binaries.

> Zzzzt - and you can't replace your libraries anymore because at least libc.so
> is almost always in use.

Unless your init is linked statically (IMHO a stupid idea), it is
_always_ in use.

> It's ok to unlink(2) (rm) a library because as long as the library's inode
> is still open you the file is still accessible and that's what the current
> code does. You just shouldn't do something like rm /lib/libc.so* but
> install the new library which uses a different filename, run ldconfig,
> then rm the old, now unnecessary library file.

Right. But it will keep its disk blocks until the next reboot. :-)

olaf
--
___ Olaf.Titz@inka.de or @{stud,informatik}.uni-karlsruhe.de ____
__ o <URL:http://www.inka.de/~bigred/> <IRC:praetorius>
__/<_ >> Just as long as the wheels keep on turning round
_)>(_)______________ I will live for the groove 'til the sun goes down << ____


\
 
 \ /
  Last update: 2005-03-22 13:37    [W:0.075 / U:0.124 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site