Re: starting shell script on server: defer acces when running

On Tue, June 6, 2006 3:10 pm, Roel Dillen wrote: > I have a shell script I want to run which generates an html page after > it > runs some tests on the software I am writing. > > I call the script with exec(…); > > The tests take more than 2 minutes to complete. > > If I try to run more than one test at the same time: trouble. > > > > I want to solve this by checking somehow whether the tests are > running. > > If so, then the php code just waits until the running test are > complete, > referring the second user to the same results page as the first. <?php if (@file_exists("/var/shared/locks/" . __FILE__)){ exit; //already running } touch("/var/shared/locks/" . __FILE__); //rest of script here unlink("/var/shared/locks/" . __FILE__); ?> You can also incorporate http://php.net/filemtime to automatically remove locks that are older than, say, an hour, so that aborted/killed scripts don't stay locked up. -- Like Music? http://l-i-e.com/artists.htm