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friendica_2019-12_sharedHos.../mod/worker.php

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<?php
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/**
* @file mod/worker.php
* @brief Module for running the poller as frontend process
*/
require_once("include/poller.php");
use Friendica\Core\Config;
use Friendica\Core\PConfig;
function worker_init($a){
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if (!Config::get("system", "frontend_worker")) {
return;
}
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// We don't need the following lines if we can execute background jobs.
// So we just wake up the worker if it sleeps.
if (function_exists("proc_open")) {
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call_worker_if_idle();
return;
}
clear_worker_processes();
$workers = q("SELECT COUNT(*) AS `processes` FROM `process` WHERE `command` = 'worker.php'");
if ($workers[0]["processes"] > Config::get("system", "worker_queues", 4)) {
return;
}
$a->start_process();
logger("Front end worker started: ".getmypid());
call_worker();
if ($r = poller_worker_process()) {
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// On most configurations this parameter wouldn't have any effect.
// But since it doesn't destroy anything, we just try to get more execution time in any way.
set_time_limit(0);
if (poller_claim_process($r[0])) {
poller_execute($r[0]);
}
}
call_worker();
poller_unclaim_process();
$a->end_process();
logger("Front end worker ended: ".getmypid());
killme();
}