The mutex from azjezz

mutex's Introduction

Hey 👋

My name is Saif Eddin, I'm a Senior Engineer @Bumble, and previously @CoopTilleuls, and @Symfony SAS.

Curious what I've been working on recently?

👷 Check out what I'm currently working on

neutomic/skeleton - A minimal Neutomic project recommended to create simple web applications (1 day ago)
neutomic/neutomic - Neutomic is a fast, asynchronous, lightweight PHP framework tailored for long-running process environments. (1 day ago)
azjezz/psl - 📚 PHP Standard Library - a modern, consistent, centralized, well-typed, non-blocking set of APIs for PHP programmers (6 days ago)
azjezz/chitchat - (6 days ago)
neutomic/neutomic.github.io - Neutomic Documentation (1 week ago)
neutomic/art - Neutomic Logo (1 week ago)
azjezz/assess - Unix filesystem notifications library for PHP. (2 weeks ago)
azjezz/actix-playground - just playing around with actix, ignore (1 month ago)
azjezz/tarjama - Tarjama: helps internationalize your rust applications 🌍🦀 (1 month ago)

🔭 Latest releases I've contributed to

azjezz/assess (1.0.2, 2 weeks ago) - Unix filesystem notifications library for PHP.
azjezz/psl (2.9.1, 2 months ago) - 📚 PHP Standard Library - a modern, consistent, centralized, well-typed, non-blocking set of APIs for PHP programmers
bpolaszek/freddie (0.4, 7 months ago) - A Mercure Hub, written in PHP (8.1 + ReactPHP)
carthage-software/elissa-bundle (1.0.1, 10 months ago) - Elissa Bundle by Carthage brings out-of-the-box PSR-7 and PSR-15 support to your Symfony project.
azjezz/tarjama (0.1.2, 2 years ago) - Tarjama: helps internationalize your rust applications 🌍🦀

📊 My stats

📫 How to reach me

Twitter: @azjezz
Keybase: @azjezz
Email: [email protected]

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mutex's Issues

Expiring Locks.

example :

$lock = await $mutex->acquire(
  'foo', 
  300, // Expiring time in seconds
);

do {

  // do things

  if (bar()) {
    $finished = false;
  } else {
    $finished = true;
  }

  if (!$finished  && $mutex->getRemainingLifetime($lock) <= 5) {
    invariant(!$mutex->isExpired($lock), 'Lock lost during the overall process');

    await $mutex->refresh($lock);
  }

} while(!$finished);

lock helper.

add AzJezz\Mutex\lock() helper functions.

stub :

function lock<T>((function(): T) $call): ?T;

usage example :

use function AzJezz\Mutex\lock;

function foo(): void {
  lock('foo-function', () ==> {
    // only one thread at a time may execute this statement
  });
}

this would require a new final abstract class MutexRepository to hold the mutex implementation to use with the lock helper.

stub :

final abstract class MutexRepository {
  public static function set(MutexInterface $mutex);

  /**
   * Implementation should throw an exception if the repository holds
   * no mutex implementations OR return a default implementation.
   *
   * if the implementation returned a default implementations, it should
   * call `set($default)` to ensure that the same instance is returned in the
   * next call.
   */
  public static function get(): MutexInterface;
}

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