1 | /*!
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2 | * The MIT License (MIT)
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3 | *
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4 | * Copyright (c) 2016 Christian Speckner <cnspeckn@googlemail.com>
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5 | *
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6 | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | * of this software and associated documentation files (the "Software"), to deal
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8 | * in the Software without restriction, including without limitation the rights
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9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | * copies of the Software, and to permit persons to whom the Software is
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11 | * furnished to do so, subject to the following conditions:
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12 | *
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13 | * The above copyright notice and this permission notice shall be included in
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14 | * all copies or substantial portions of the Software.
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15 | *
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16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | * THE SOFTWARE.
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23 | */
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24 | interface MutexInterface {
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25 | acquire(): Promise<MutexInterface.Releaser>;
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26 | runExclusive<T>(callback: MutexInterface.Worker<T>): Promise<T>;
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27 | isLocked(): boolean;
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28 | }
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29 | declare namespace MutexInterface {
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30 | interface Releaser {
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31 | (): void;
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32 | }
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33 | interface Worker<T> {
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34 | (): Promise<T> | T;
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35 | }
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36 | }
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37 | declare class Mutex implements MutexInterface {
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38 | isLocked(): boolean;
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39 | acquire(): Promise<MutexInterface.Releaser>;
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40 | runExclusive<T>(callback: MutexInterface.Worker<T>): Promise<T>;
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41 | private _dispatchNext;
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42 | private _queue;
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43 | private _pending;
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44 | }
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45 | export default Mutex;
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