Re: Help with IFS files

[Scott Klement <klemscot@xxxxxxxxxxxx>]

One solution might be to create the file under a temporary name, and
use Qp0lRenameUnlink() once you are done with it.   This way, as soon
as it appears under it's correct name, it's all ready for the PC to pull.

Another possibility would be to call fcntl() with F_SETLK to use the
operating system's locking semantics to lock the file. You can find
details in the UNIX-type APIs manual, here:
http://publib.boulder.ibm.com/pubs/html/as400/v4r5/ic2924/info/apis/fcntl.htm#HDRFCNLOC


On Thu, 1 Nov 2001, Giri Gopal wrote:

> Hello:
>
>
> I am using RPGIV to write to IFS file system. Another PC based application
> is has a mapped drive to this folder. This application is monitoring for a
> file every 2 minutes. The problem is I open the IFS file for ouput in my RPG
> program, and while I am writing to this IFS file, the other system sees the
> file and grabs it even before I am done writing. More importantly the other
> application deletes the file once it has copied this file. They use FTP to
> get this file.
>
>
> Question is: How can I open the file and have a lock until I am done
> writing?
>
>
> Thanks for your help in advance.
> Giri