php-ipc/src/Signal/SignalTrap.php

54 lines
915 B
PHP

<?php
namespace NoccyLabs\Ipc\Signal;
class SignalTrap
{
protected $signal;
protected $trapped = false;
/**
* Constructor
*
* @param integer $signo
*/
public function __construct(int $signo)
{
$this->signal = new Signal($signo);
$this->signal->setHandler([ $this, "onSignal" ]);
}
/**
* Signal handler callback
*
* @return void
*/
public function onSignal()
{
$this->trapped = true;
}
/**
* Check if the signal has been received
*
* @param boolean $reset
* @return boolean
*/
public function isTrapped($reset=true):bool
{
if ($this->trapped) {
$reset && ($this->trapped = false);
return true;
}
return false;
}
public function __invoke($reset=true):bool
{
return $this->isTrapped($reset);
}
}