php守护进程

demon.php

<?php

define("THREADS",1);
define("DAEMON","/usr/local/bin/daemon");
define("SCRIPT","/****/worker.php");
define("CHDIR","/****/");
define("NAME_PREFIX","worker");
define("PHP_CLI","/usr/local/php/bin/php");


$args = isset($argv) ? $argv : $_SERVER['argv'];
$action = $args[1];

switch ($action) {

        case "start":
                start();
                break;

        case "stop":
                stop();
                break;

        case "restart":
                stop();
                start();
                break;
        default :
          echo "use worker.sh {start|stop|restart}\r\n\r\n";
                break;
}


function start () {
        for($i=0; $i<THREADS; $i++) {
                $name = NAME_PREFIX."_".$i;
                exec(DAEMON." -n ".$name." -D ".CHDIR." -X ".PHP_CLI." ".SCRIPT." -r -O /var/log/worker.log -o /var/log/worker.log");
        }
}

function stop () {
        for($i=0; $i<THREADS; $i++) {
                $name = NAME_PREFIX."_".$i;
                exec(DAEMON." -n ".$name." --stop");
        }
}

 

?>