*/ public readonly DeferredFuture $joinDeferred; public readonly int $originalParentPid; /** * @psalm-suppress PropertyNotSetInConstructor * @var positive-int */ public int $pid; public ProcessStatus $status = ProcessStatus::Starting; /** * @param resource $proc */ public function __construct($proc) { $this->proc = $proc; $this->joinDeferred = new DeferredFuture; $this->originalParentPid = \getmypid(); } abstract public function wait(): void; }