@aws-amplify/core
Version:
Core category of aws-amplify
46 lines (45 loc) • 1.78 kB
TypeScript
/*!
* The MIT License (MIT)
*
* Copyright (c) 2016 Christian Speckner <cnspeckn@googlemail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
interface MutexInterface {
acquire(): Promise<MutexInterface.Releaser>;
runExclusive<T>(callback: MutexInterface.Worker<T>): Promise<T>;
isLocked(): boolean;
}
declare namespace MutexInterface {
interface Releaser {
(): void;
}
interface Worker<T> {
(): Promise<T> | T;
}
}
declare class Mutex implements MutexInterface {
isLocked(): boolean;
acquire(): Promise<MutexInterface.Releaser>;
runExclusive<T>(callback: MutexInterface.Worker<T>): Promise<T>;
private _dispatchNext;
private _queue;
private _pending;
}
export default Mutex;