Re: File locking & cron jobs

Keep in mind that php's flock() is only valid for php scripts, it does (AFAIK) no OS or filesystem type locking. What your are worried about, is a valid concern. You should try and find another way to do it if you want to be 100% sure about your solution. Jeremy Brand :: Sr. Software Engineer :: 408-245-9058 :: jeremy@nirvani.net http://www.JeremyBrand.com/Jeremy/Brand/Jeremy_Brand.html for more Get your own Free, Private email at http://www.smackdown.com/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - At least for the people who send me mail about a new language that they're designing, the general advice is: do it to learn about how to write a compiler. --Dennis Ritchie On Fri, 15 Dec 2000, John Damask wrote: > Date: Fri, 15 Dec 2000 16:09:29 -0500 > From: John Damask <jbdamask@dotclick.com> > To: php-general@lists.php.net > Subject: [PHP] File locking & cron jobs > > Hi > I've got some files on an extranet that are modifiable by certain users. > A shell script runs as a cron job every 10 mins to copy these files to a > different web server for general viewing. > Since the cron job just copies files, do I have to worry about file locking > in PHP? > The scenario I'm concerned about is, if php fopen() runs, then the cron job > picks that file for copy before fputs() or fclose() are called, will there > be problems? > I'm hesitant to lock files from PHP - not using flock() but a system that my > shell script will adhere to as well - because I fear > user-Internet-connection-anything-can-go-wrong causing lock files to not be > cleaned up properly. > thanks > John > > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, e-mail: php-general-unsubscribe@lists.php.net > For additional commands, e-mail: php-general-help@lists.php.net > To contact the list administrators, e-mail: php-list-admin@lists.php.net > >