芝麻web文件管理V1.00

编辑当前文件:/home/qrafawbu/qrafiqxcreativeagency.com/accounts/office/vendor/amphp/sync/src/Semaphore.php
<?php namespace Amp\Sync; use Amp\Promise; /** * A non-blocking counting semaphore. * * Objects that implement this interface should guarantee that all operations are atomic. Implementations do not have to * guarantee that acquiring a lock is first-come, first serve. */ interface Semaphore { /** * Acquires a lock on the semaphore. * * @return Promise<Lock> Resolves with an integer keyed lock object. Identifiers returned by the * locks should be 0-indexed. Releasing an identifier MUST make that same identifier available. May fail with * a SyncException if an error occurs when attempting to obtain the lock (e.g. a shared memory segment closed). */ public function acquire(): Promise; }