55 lines
1.6 KiB
Plaintext
55 lines
1.6 KiB
Plaintext
"use strict";
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var __defProp = Object.defineProperty;
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var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
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var __getOwnPropNames = Object.getOwnPropertyNames;
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var __hasOwnProp = Object.prototype.hasOwnProperty;
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var __export = (target, all) => {
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for (var name in all)
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__defProp(target, name, { get: all[name], enumerable: true });
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};
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var __copyProps = (to, from, except, desc) => {
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if (from && typeof from === "object" || typeof from === "function") {
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for (let key of __getOwnPropNames(from))
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if (!__hasOwnProp.call(to, key) && key !== except)
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__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
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}
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return to;
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};
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var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
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var semaphore_exports = {};
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__export(semaphore_exports, {
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Semaphore: () => Semaphore
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});
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module.exports = __toCommonJS(semaphore_exports);
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var import_manualPromise = require("./manualPromise");
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class Semaphore {
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constructor(max) {
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this._acquired = 0;
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this._queue = [];
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this._max = max;
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}
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setMax(max) {
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this._max = max;
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}
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acquire() {
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const lock = new import_manualPromise.ManualPromise();
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this._queue.push(lock);
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this._flush();
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return lock;
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}
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release() {
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--this._acquired;
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this._flush();
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}
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_flush() {
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while (this._acquired < this._max && this._queue.length) {
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++this._acquired;
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this._queue.shift().resolve();
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}
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}
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}
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// Annotate the CommonJS export names for ESM import in node:
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0 && (module.exports = {
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Semaphore
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});
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