74 lines
1.4 KiB
PHP
74 lines
1.4 KiB
PHP
<?php
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/**
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* @file src/Model/Process.php
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*/
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namespace Friendica\Model;
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use Friendica\Database\DBA;
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use Friendica\Util\DateTimeFormat;
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/**
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* @brief functions for interacting with a process
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*/
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class Process
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{
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/**
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* Insert a new process row. If the pid parameter is omitted, we use the current pid
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*
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* @param string $command
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* @param string $pid
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* @return bool
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* @throws \Exception
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*/
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public static function insert($command, $pid = null)
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{
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$return = true;
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if (is_null($pid)) {
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$pid = getmypid();
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}
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DBA::transaction();
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if (!DBA::exists('process', ['pid' => $pid])) {
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$return = DBA::insert('process', ['pid' => $pid, 'command' => $command, 'created' => DateTimeFormat::utcNow()]);
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}
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DBA::commit();
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return $return;
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}
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/**
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* Remove a process row by pid. If the pid parameter is omitted, we use the current pid
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*
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* @param string $pid
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* @return bool
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* @throws \Exception
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*/
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public static function deleteByPid($pid = null)
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{
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if ($pid === null) {
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$pid = getmypid();
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}
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return DBA::delete('process', ['pid' => $pid]);
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}
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/**
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* Clean the process table of inactive physical processes
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*/
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public static function deleteInactive()
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{
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DBA::transaction();
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$processes = DBA::select('process', ['pid']);
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while($process = DBA::fetch($processes)) {
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if (!posix_kill($process['pid'], 0)) {
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self::deleteByPid($process['pid']);
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}
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}
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DBA::commit();
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}
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}
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