Re: Only one instance of a script at a time !
| From: | Nicolas Guilhot | Date: | Fri, 28 Dec 2001 15:02:08 +0000 |
| Subject: | Re: Only one instance of a script at a time ! | ||
| References: | 1 2 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-78944@lists.php.net to get a copy of this message | ||
I was thinking about this solution, but what can I do if the script ends
prematurely. The file will never be deleted ??
Anybody has an example of how to use flock ?
Nicolas
"Gerard Onorato" <gonorato@desktoplive.com> a écrit dans le message news:
php.general-78939@news.php.net...
> There may be a much easier method however why not write a file and then
check for it's existence on the next execution. Delete the file at the end
of
> execution to clear the way for the next pass.
>
> Quick and dirty so probably at least on typo
> <?
> $pidFile = "path/to/file/filename";
> if (!is_file ($pidFile)) {
> touch ($pidFile);
> // code to execute
> unlink ($pidFile);
> }
> ?>
> On Fri, 28 Dec 2001 15:31:33 +0100, Nicolas Guilhot wrote:
>
> >Running a php script with a cron job, how can I do to have only one
instance
> >of the script running ?
> >
> >Thanks for any answer.
> >
> >
> >Nicolas
> >
> >
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