* file locking looks strange
@ 2002-09-07 14:31 Claus Rosenberger
2002-09-07 22:23 ` jw schultz
2002-09-09 11:34 ` Alex Riesen
0 siblings, 2 replies; 3+ messages in thread
From: Claus Rosenberger @ 2002-09-07 14:31 UTC (permalink / raw)
To: linux-kernel
How i can informations about file locking for applications.
if i open a document with one application on the terminalserver and try to
open the same document in another session i can write on the second
session. this happens for example with openoffice. how i can really lock
the file if one application open this doc for reading and writing ?
regards
claus rosenberger
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: file locking looks strange
2002-09-07 14:31 file locking looks strange Claus Rosenberger
@ 2002-09-07 22:23 ` jw schultz
2002-09-09 11:34 ` Alex Riesen
1 sibling, 0 replies; 3+ messages in thread
From: jw schultz @ 2002-09-07 22:23 UTC (permalink / raw)
To: linux-kernel
On Sat, Sep 07, 2002 at 04:31:56PM +0200, Claus Rosenberger wrote:
> How i can informations about file locking for applications.
>
> if i open a document with one application on the terminalserver and try to
> open the same document in another session i can write on the second
> session. this happens for example with openoffice. how i can really lock
> the file if one application open this doc for reading and writing ?
start with 'man -k lock|grep file' That will give you some
starting points. If you need more any book on UNIX or Linux
programming that doesn't list both methods isn't worth buying.
--
________________________________________________________________
J.W. Schultz Pegasystems Technologies
email address: jw@pegasys.ws
Remember Cernan and Schmitt
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: file locking looks strange
2002-09-07 14:31 file locking looks strange Claus Rosenberger
2002-09-07 22:23 ` jw schultz
@ 2002-09-09 11:34 ` Alex Riesen
1 sibling, 0 replies; 3+ messages in thread
From: Alex Riesen @ 2002-09-09 11:34 UTC (permalink / raw)
To: Claus Rosenberger; +Cc: linux-kernel
On Sat, Sep 07, 2002 at 04:31:56PM +0200, Claus Rosenberger wrote:
> How i can informations about file locking for applications.
>
> if i open a document with one application on the terminalserver and try to
> open the same document in another session i can write on the second
> session. this happens for example with openoffice. how i can really lock
> the file if one application open this doc for reading and writing ?
read Documentation/locks.txt and Documentation/mandatory.txt.
You can also use advisory locking (man 2 fcntl, lockf), if it's
your own code.
-alex
^ permalink raw reply [flat|nested] 3+ messages in thread
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2002-09-07 14:31 file locking looks strange Claus Rosenberger
2002-09-07 22:23 ` jw schultz
2002-09-09 11:34 ` Alex Riesen
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