mod/worker.php

   1 <?php
   2 /**
   3  * @file mod/worker.php
   4  * @brief Module for running the poller as frontend process
   5  */
   6 require_once("include/poller.php");
   7
   8 use \Friendica\Core\Config;
   9 use \Friendica\Core\PConfig;
  10
  11 function worker_init($a){
  12
  13         if (!Config::get("system", "frontend_worker")) {
  14                 return;
  15         }
  16
  17         // We don't need the following lines if we can execute background jobs
  18         if (function_exists("proc_open")) {
  19                 return;
  20         }
  21
  22         clear_worker_processes();
  23
  24         $workers = q("SELECT COUNT(*) AS `processes` FROM `process` WHERE `command` = 'worker.php'");
  25
  26         if ($workers[0]["processes"] > Config::get("system", "worker_queues", 4)) {
  27                 return;
  28         }
  29
  30         $a->start_process();
  31
  32         logger("Front end worker started: ".getmypid());
  33
  34         call_worker();
  35
  36         if ($r = poller_worker_process()) {
  37
  38                 // On most configurations this parameter wouldn't have any effect.
  39                 // But since it doesn't destroy anything, we just try to get more execution time in any way.
  40                 set_time_limit(0);
  41
  42                 poller_execute($r[0]);
  43         }
  44
  45         call_worker();
  46
  47         $a->end_process();
  48
  49         logger("Front end worker ended: ".getmypid());
  50
  51         killme();
  52 }