PID file support 1.0
For CLI scripts, allows you to ensure that only one copy of the script will run at a given time, using a PID (process ID) file.
Requires posix module.
Recommended deployment is to put it in a file 'pid_file.lib.php' in an include directory. Then require_once('pid_file.lib.php') in scripts you want to use it, and call, for example, check_pid_file('/var/run/my_script.pid') to perform your PID file check.
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- 11/03/2010 14:16:54