LINUX.IE, website of the Irish Linux Users' Group
Tux rules!

   
Home
New Users
Articles
Download
Projects
Community
Vendors

  Print Version
Email to...
 
Archives:


planetILUG

Recent News

News Archive


Join the
ILUG
on FaceBook


Join the
ILUG
on LinkedIn


Join the
ILUG SETI
Group



















 
 :: Mailing Lists

[ILUG] file open, what contents?

[ILUG] file open, what contents?

Mel mel at csn.ul.ie
Thu Sep 6 16:23:58 IST 2001


On Thu, 6 Sep 2001, Donncha O Caoimh wrote:

> I seek to a certain part of the file, write
> to the file there (replacing text already there), and it may take
> several seconds, then I close the file again.
>
> Question is, while I'm replacing the text in the middle of that file,
> will web users see the old file until I close() it at the end?
>

from the sounds of things, it might be wise to use flock() until you can
close the file to prevent users from ever seeing a corrupt file. Even if
it only takes 1/10 of a second to read, thats still a chance another
process will start to change the file at the wrong time.

-- 
		Mel

Random wisdom: rm with the su action pack is not a toy





More information about the ILUG mailing list
Read this without the formatting.
                                                                                                    

 

Hosted by HEAnet


Maintained by the ILUG website team. The aim of Linux.ie is to support and help commercial and private users of Linux in Ireland. You can display ILUG news in your own webpages, read backend information to find out how. Networking services kindly provided by HEAnet, server kindly donated by Dell. Linux is a trademark of Linus Torvalds, used with permission. No penguins were harmed in the production or maintenance of this highly praised website. Looking for the Indian Linux Users' Group? Try here. If you've read all this and aren't a lawyer: you should be!
RSS Version
Powered by Dell