remove node_modules and .gitignore them
This commit is contained in:
-363
@@ -1,363 +0,0 @@
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"use strict";
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var __assign = (this && this.__assign) || function () {
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__assign = Object.assign || function(t) {
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for (var s, i = 1, n = arguments.length; i < n; i++) {
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s = arguments[i];
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for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
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t[p] = s[p];
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}
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return t;
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};
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return __assign.apply(this, arguments);
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};
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var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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return new (P || (P = Promise))(function (resolve, reject) {
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function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
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function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
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function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
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step((generator = generator.apply(thisArg, _arguments || [])).next());
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});
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};
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var __generator = (this && this.__generator) || function (thisArg, body) {
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var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
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return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
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function verb(n) { return function (v) { return step([n, v]); }; }
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function step(op) {
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if (f) throw new TypeError("Generator is already executing.");
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while (_) try {
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if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
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if (y = 0, t) op = [op[0] & 2, t.value];
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switch (op[0]) {
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case 0: case 1: t = op; break;
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case 4: _.label++; return { value: op[1], done: false };
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case 5: _.label++; y = op[1]; op = [0]; continue;
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case 7: op = _.ops.pop(); _.trys.pop(); continue;
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default:
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if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
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if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
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if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
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if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
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if (t[2]) _.ops.pop();
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_.trys.pop(); continue;
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}
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op = body.call(thisArg, _);
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} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
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if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
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}
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};
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var __values = (this && this.__values) || function(o) {
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var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
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if (m) return m.call(o);
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if (o && typeof o.length === "number") return {
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next: function () {
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if (o && i >= o.length) o = void 0;
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return { value: o && o[i++], done: !o };
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}
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};
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throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.Semaphore = void 0;
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//================================================================
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/**
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* @packageDocumentation
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* @module std
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*/
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//================================================================
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var List_1 = require("../container/List");
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var InvalidArgument_1 = require("../exception/InvalidArgument");
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var OutOfRange_1 = require("../exception/OutOfRange");
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var global_1 = require("./global");
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/**
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* Counting semaphore.
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*
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* @author Jeongho Nam - https://github.com/samchon
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*/
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var Semaphore = /** @class */ (function () {
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/* ---------------------------------------------------------
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CONSTRUCTORS
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--------------------------------------------------------- */
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/**
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* Initializer Constructor.
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*
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* @param max Number of maximum sections acquirable.
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*/
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function Semaphore(max) {
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this.queue_ = new List_1.List();
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this.acquiring_ = 0;
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this.max_ = max;
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}
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/**
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* Get number of maximum sections lockable.
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*
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* @return Number of maximum sections lockable.
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*/
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Semaphore.prototype.max = function () {
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return this.max_;
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};
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/* ---------------------------------------------------------
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ACQUIRANCES
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--------------------------------------------------------- */
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/**
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* Acquires a section.
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*
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* Acquires a section until be {@link release released}. If all of the sections in the
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* semaphore already have been acquired by others, the function call would be blocked until
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* one of them returns its acquisition by calling the {@link release} method.
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*
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* In same reason, if you don't call the {@link release} function after you business, the
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* others who want to {@link acquire} a section from the semaphore would be fall into the
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* forever sleep. Therefore, never forget to calling the {@link release} function or utilize
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* the {@link UniqueLock.lock} function instead with {@link Semaphore.get_lockable} to ensure
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* the safety.
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*/
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Semaphore.prototype.acquire = function () {
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var _this = this;
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return new Promise(function (resolve) {
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if (_this.acquiring_ < _this.max_) {
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++_this.acquiring_;
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resolve();
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}
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else {
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_this.queue_.push_back({
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handler: resolve,
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lockType: 0 /* LockType.HOLD */,
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});
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}
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});
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};
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/**
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* Tries to acquire a section.
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*
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* Attempts to acquire a section without blocking. If succeeded to acquire a section from the
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* semaphore immediately, it returns `true` directly. Otherwise all of the sections in the
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* semaphore are full, the function gives up the trial immediately and returns `false`
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* directly.
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*
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* Note that, if you succeeded to acquire a section from the semaphore (returns `true) but do
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* not call the {@link release} function after your business, the others who want to
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* {@link acquire} a section from the semaphore would be fall into the forever sleep.
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* Therefore, never forget to calling the {@link release} function or utilize the
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* {@link UniqueLock.try_lock} function instead with {@link Semaphore.get_lockable} to ensure
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* the safety.
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*
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* @return Whether succeeded to acquire or not.
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*/
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Semaphore.prototype.try_acquire = function () {
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return __awaiter(this, void 0, void 0, function () {
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return __generator(this, function (_a) {
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// ALL OR NOTHING
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if (this.acquiring_ < this.max_) {
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++this.acquiring_;
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return [2 /*return*/, true];
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}
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else
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return [2 /*return*/, false];
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return [2 /*return*/];
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});
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});
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};
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/**
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* Tries to acquire a section until timeout.
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*
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* Attempts to acquire a section from the semaphore until timeout. If succeeded to acquire a
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* section until the timeout, it returns `true`. Otherwise failed to acquiring a section in
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* given the time, the function gives up the trial and returns `false`.
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*
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* Failed to acquiring a section in the given time (returns `false`), it means that there're
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* someone who have already {@link acquire acquired} sections and do not return them over the
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* time expiration.
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*
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* Note that, if you succeeded to acquire a section from the semaphore (returns `true) but do
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* not call the {@link release} function after your business, the others who want to
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* {@link acquire} a section from the semaphore would be fall into the forever sleep.
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* Therefore, never forget to calling the {@link release} function or utilize the
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* {@link UniqueLock.try_acquire_for} function instead with {@link Semaphore.get_lockable} to
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* ensure the safety.
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*
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* @param ms The maximum miliseconds for waiting.
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* @return Whether succeded to acquire or not.
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*/
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Semaphore.prototype.try_acquire_for = function (ms) {
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return __awaiter(this, void 0, void 0, function () {
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var _this = this;
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return __generator(this, function (_a) {
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return [2 /*return*/, new Promise(function (resolve) {
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if (_this.acquiring_ < _this.max_) {
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++_this.acquiring_;
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resolve(true);
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}
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else {
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// RESERVE ACQUIRE
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var it_1 = _this.queue_.insert(_this.queue_.end(), {
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handler: resolve,
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lockType: 1 /* LockType.KNOCK */,
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});
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// AUTOMATIC RELEASE AFTER TIMEOUT
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(0, global_1.sleep_for)(ms).then(function () {
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// NOT YET, THEN DO RELEASE
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if (it_1.value.handler !== null)
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_this._Cancel(it_1);
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});
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}
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})];
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});
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});
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};
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/**
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* Tries to acquire a section until timeout.
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*
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* Attempts to acquire a section from the semaphore until time expiration. If succeeded to
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* acquire a section until the time expiration, it returns `true`. Otherwise failed to
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* acquiring a section in the given time, the function gives up the trial and returns `false`.
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*
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* Failed to acquiring a section in the given time (returns `false`), it means that there're
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* someone who have already {@link acquire acquired} sections and do not return them over the
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* time expiration.
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*
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* Note that, if you succeeded to acquire a section from the semaphore (returns `true) but do
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* not call the {@link release} function after your business, the others who want to
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* {@link acquire} a section from the semaphore would be fall into the forever sleep.
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* Therefore, never forget to calling the {@link release} function or utilize the
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* {@link UniqueLock.try_acquire_until} function instead with {@link Semaphore.get_lockable}
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* to ensure the safety.
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*
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* @param at The maximum time point to wait.
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* @return Whether succeded to acquire or not.
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*/
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Semaphore.prototype.try_acquire_until = function (at) {
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// COMPUTE MILLISECONDS TO WAIT
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var now = new Date();
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var ms = at.getTime() - now.getTime();
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return this.try_acquire_for(ms);
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};
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/* ---------------------------------------------------------
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RELEASES
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--------------------------------------------------------- */
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/**
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* Release sections.
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*
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* When you call this {@link release} method and there're someone who are currently blocked
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* by attemping to {@link acquire} a section from this semaphore, *n* of them
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* (FIFO; first-in-first-out) would {@link acquire} those {@link release released} sections
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* and continue their executions.
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*
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* Otherwise, there's not anyone who is {@link acquire acquiring} the section or number of
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* the blocked are less than *n*, the {@link OutOfRange} error would be thrown.
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*
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* > As you know, when you succeeded to {@link acquire} a section, you don't have to forget
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* > to calling this {@link release} method after your business. If you forget it, it would
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* > be a terrible situation for the others who're attempting to {@link acquire} a section
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* > from this semaphore.
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* >
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* > However, if you utilize the {@link UniqueLock} with {@link Semaphore.get_lockable}, you
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* > don't need to consider about this {@link release} method. Just define your business into
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* > a callback function as a parameter of methods of the {@link UniqueLock}, then this
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* > {@link release} method would be automatically called by the {@link UniqueLock} after the
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* > business.
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*
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* @param n Number of sections to be released. Default is 1.
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* @throw {@link OutOfRange} when *n* is greater than currently {@link acquire acquired} sections.
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*/
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Semaphore.prototype.release = function (n) {
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if (n === void 0) { n = 1; }
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return __awaiter(this, void 0, void 0, function () {
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var resolverList, resolver, resolverList_1, resolverList_1_1, resolver;
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var e_1, _a;
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return __generator(this, function (_b) {
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//----
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// VALIDATION
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//----
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if (n < 1)
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throw new InvalidArgument_1.InvalidArgument("Error on std.Semaphore.release(): parametric n is less than 1 -> (n = ".concat(n, ")."));
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else if (n > this.max_)
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throw new OutOfRange_1.OutOfRange("Error on std.Semaphore.release(): parametric n is greater than max -> (n = ".concat(n, ", max = ").concat(this.max_, ")."));
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else if (n > this.acquiring_)
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throw new OutOfRange_1.OutOfRange("Error on std.Semaphore.release(): parametric n is greater than acquiring -> (n = ".concat(n, ", acquiring = ").concat(this.acquiring_, ")."));
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resolverList = [];
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while (this.queue_.empty() === false && resolverList.length < n) {
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resolver = this.queue_.front();
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if (resolver.handler !== null)
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resolverList.push(__assign({}, resolver));
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// DESTRUCT
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this.queue_.pop_front();
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resolver.handler = null;
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}
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// COMPUTE REMAINED ACQUIRANCES
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this.acquiring_ -= n - resolverList.length;
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try {
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// CALL HANDLERS
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for (resolverList_1 = __values(resolverList), resolverList_1_1 = resolverList_1.next(); !resolverList_1_1.done; resolverList_1_1 = resolverList_1.next()) {
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resolver = resolverList_1_1.value;
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if (resolver.lockType === 0 /* LockType.HOLD */)
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resolver.handler();
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else
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resolver.handler(true);
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}
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}
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catch (e_1_1) { e_1 = { error: e_1_1 }; }
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finally {
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try {
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if (resolverList_1_1 && !resolverList_1_1.done && (_a = resolverList_1.return)) _a.call(resolverList_1);
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}
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finally { if (e_1) throw e_1.error; }
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}
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return [2 /*return*/];
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});
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});
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};
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Semaphore.prototype._Cancel = function (it) {
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// POP THE LISTENER
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var handler = it.value.handler;
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// DESTRUCTION
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it.value.handler = null;
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this.queue_.erase(it);
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// RETURNS FAILURE
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handler(false);
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};
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return Semaphore;
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}());
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exports.Semaphore = Semaphore;
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/**
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*
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*/
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(function (Semaphore) {
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/**
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* Capsules a {@link Semaphore} to be suitable for the {@link UniqueLock}.
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*
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* @param semaphore Target semaphore to capsule.
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* @return Lockable instance suitable for the {@link UniqueLock}
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*/
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function get_lockable(semaphore) {
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return new Lockable(semaphore);
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}
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Semaphore.get_lockable = get_lockable;
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/**
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* @internal
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*/
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var Lockable = /** @class */ (function () {
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function Lockable(semaphore) {
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this.semahpore_ = semaphore;
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}
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Lockable.prototype.lock = function () {
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return this.semahpore_.acquire();
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};
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Lockable.prototype.unlock = function () {
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return this.semahpore_.release();
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};
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Lockable.prototype.try_lock = function () {
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return this.semahpore_.try_acquire();
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};
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Lockable.prototype.try_lock_for = function (ms) {
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return this.semahpore_.try_acquire_for(ms);
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};
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Lockable.prototype.try_lock_until = function (at) {
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return this.semahpore_.try_acquire_until(at);
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};
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return Lockable;
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}());
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Semaphore.Lockable = Lockable;
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})(Semaphore = exports.Semaphore || (exports.Semaphore = {}));
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exports.Semaphore = Semaphore;
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//# sourceMappingURL=Semaphore.js.map
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Reference in New Issue
Block a user