Check out the "flock" fucntion At 16:20 4/10/2001 -0400, Jason Stechschulte wrote: >On Thu, Oct 04, 2001 at 11:10:56AM -0400, Matthew Luchak wrote: > > Is there a way to verify if a file is in use by another user before > > fopening it? > >As far as I know this is something you have to program in yourself. If >you are only worried about your programs accessing the file, then it is >a good idea to create a lock file. Before you access a file called >mydata, check for a file called mydata.lock. If that exists, then the >file is in use, so wait and check later. If it does not exist, create a >file called mydata.lock, open mydata, do with it as you please, close >mydata, and delete mydata.lock. > >You also have to be prepared to handle a situation where your program >stops before removing the lock file. Usually with PHP, it is much >easier to just use a database so all this file locking is dealt with by >the database and not you. >-- >Jason Stechschulte >[EMAIL PROTECTED] >-- >Sorry. My testing organization is either too small, or too large, depending >on how you look at it. :-) > -- Larry Wall in <[EMAIL PROTECTED]> > >-- >PHP General Mailing List (http://www.php.net/) >To unsubscribe, e-mail: [EMAIL PROTECTED] >For additional commands, e-mail: [EMAIL PROTECTED] >To contact the list administrators, e-mail: [EMAIL PROTECTED]
------------------------- Brian White Step Two Designs Pty Ltd - SGML, XML & HTML Consultancy Phone: +612-93197901 Web: http://www.steptwo.com.au/ Email: [EMAIL PROTECTED] -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
