friendica/src/Model/Process.php

77 lines
1.4 KiB
PHP
Raw Normal View History

<?php
/**
* @file src/Model/Process.php
*/
namespace Friendica\Model;
use Friendica\BaseObject;
use Friendica\Util\Temporal;
use dba;
require_once 'include/dba.php';
2018-01-16 01:54:06 +00:00
require_once 'include/datetime.php';
/**
* @brief functions for interacting with a process
*/
class Process extends BaseObject
{
/**
* Insert a new process row. If the pid parameter is omitted, we use the current pid
*
* @param string $command
* @param string $pid
* @return bool
*/
public static function insert($command, $pid = null)
{
$return = true;
2018-01-17 14:10:30 +00:00
if (is_null($pid)) {
$pid = getmypid();
}
dba::transaction();
2018-01-17 14:10:30 +00:00
if (!dba::exists('process', ['pid' => $pid])) {
$return = dba::insert('process', ['pid' => $pid, 'command' => $command, 'created' => Temporal::convert()]);
}
dba::commit();
return $return;
}
/**
* Remove a process row by pid. If the pid parameter is omitted, we use the current pid
*
* @param string $pid
* @return bool
*/
public static function deleteByPid($pid = null)
{
if ($pid === null) {
$pid = getmypid();
}
return dba::delete('process', ['pid' => $pid]);
}
/**
* Clean the process table of inactive physical processes
*/
public static function deleteInactive()
{
dba::transaction();
$processes = dba::select('process', ['pid']);
while($process = dba::fetch($processes)) {
if (!posix_kill($process['pid'], 0)) {
self::deleteByPid($process['pid']);
}
}
dba::commit();
}
}