Code Coverage for /src/src/Detail/CriticalSection.php

1	<?php
2
3	namespace Wikimedia\RequestTimeout\Detail;
4
5	use ExcimerTimer;
6	use Wikimedia\RequestTimeout\EmergencyTimeoutException;
7
8	/**
9	* Internal class for tracking critical sections
10	*
11	* @internal
12	*/
13	class CriticalSection {
14	/** @var string */
15	private $name;
16	/** @var ExcimerTimer\|null */
17	private $emergencyTimer;
18
19	/**
20	* @see RequestTimeout::createCriticalSectionProvider
21	*
22	* @param string $name
23	* @param float $emergencyLimit
24	* @param callable\|null $emergencyCallback
25	*/
26	public function __construct( $name, $emergencyLimit, $emergencyCallback ) {
27	$this->name = $name;
28	if ( !$emergencyCallback ) {
29	/** @return never */
30	$emergencyCallback = static function () use ( $name, $emergencyLimit ) {
31	throw new EmergencyTimeoutException( $name, $emergencyLimit );
32	};
33	}
34
35	if ( $emergencyLimit > 0 && $emergencyLimit !== INF ) {
36	$this->emergencyTimer = new ExcimerTimer;
37	$this->emergencyTimer->setInterval( $emergencyLimit );
38	$this->emergencyTimer->setCallback( $emergencyCallback );
39	$this->emergencyTimer->start();
40	}
41	}
42
43	/**
44	* Stop the emergency timer, if it was started
45	*/
46	public function stop() {
47	if ( $this->emergencyTimer ) {
48	$this->emergencyTimer->stop();
49	$this->emergencyTimer = null;
50	}
51	}
52	}