209 lines
9.3 KiB
JavaScript
209 lines
9.3 KiB
JavaScript
"use strict";
|
|
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
|
|
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
|
|
return new (P || (P = Promise))(function (resolve, reject) {
|
|
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
|
|
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
|
|
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
|
|
step((generator = generator.apply(thisArg, _arguments || [])).next());
|
|
});
|
|
};
|
|
var __generator = (this && this.__generator) || function (thisArg, body) {
|
|
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
|
|
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
|
|
function verb(n) { return function (v) { return step([n, v]); }; }
|
|
function step(op) {
|
|
if (f) throw new TypeError("Generator is already executing.");
|
|
while (_) try {
|
|
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;
|
|
if (y = 0, t) op = [op[0] & 2, t.value];
|
|
switch (op[0]) {
|
|
case 0: case 1: t = op; break;
|
|
case 4: _.label++; return { value: op[1], done: false };
|
|
case 5: _.label++; y = op[1]; op = [0]; continue;
|
|
case 7: op = _.ops.pop(); _.trys.pop(); continue;
|
|
default:
|
|
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
|
|
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
|
|
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
|
|
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
|
|
if (t[2]) _.ops.pop();
|
|
_.trys.pop(); continue;
|
|
}
|
|
op = body.call(thisArg, _);
|
|
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
|
|
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
|
|
}
|
|
};
|
|
var __values = (this && this.__values) || function(o) {
|
|
var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
|
|
if (m) return m.call(o);
|
|
if (o && typeof o.length === "number") return {
|
|
next: function () {
|
|
if (o && i >= o.length) o = void 0;
|
|
return { value: o && o[i++], done: !o };
|
|
}
|
|
};
|
|
throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
|
|
};
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
|
exports.ConditionVariable = void 0;
|
|
//================================================================
|
|
/**
|
|
* @packageDocumentation
|
|
* @module std
|
|
*/
|
|
//================================================================
|
|
var List_1 = require("../container/List");
|
|
var global_1 = require("./global");
|
|
/**
|
|
* Condition variable.
|
|
*
|
|
* The `ConditionVariable` class blocks critical sections until be notified.
|
|
*
|
|
* @author Jeongho Nam - https://github.com/samchon
|
|
*/
|
|
var ConditionVariable = /** @class */ (function () {
|
|
/* ---------------------------------------------------------
|
|
CONSTRUCTORS
|
|
--------------------------------------------------------- */
|
|
/**
|
|
* Default Constructor.
|
|
*/
|
|
function ConditionVariable() {
|
|
this.resolvers_ = new List_1.List();
|
|
}
|
|
ConditionVariable.prototype.wait = function (predicator) {
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
return __generator(this, function (_a) {
|
|
switch (_a.label) {
|
|
case 0:
|
|
if (!!predicator) return [3 /*break*/, 2];
|
|
return [4 /*yield*/, this._Wait()];
|
|
case 1: return [2 /*return*/, _a.sent()];
|
|
case 2: return [4 /*yield*/, predicator()];
|
|
case 3:
|
|
if (!!(_a.sent())) return [3 /*break*/, 5];
|
|
return [4 /*yield*/, this._Wait()];
|
|
case 4:
|
|
_a.sent();
|
|
return [3 /*break*/, 2];
|
|
case 5: return [2 /*return*/];
|
|
}
|
|
});
|
|
});
|
|
};
|
|
ConditionVariable.prototype.wait_for = function (ms, predicator) {
|
|
var at = new Date(Date.now() + ms);
|
|
return this.wait_until(at, predicator);
|
|
};
|
|
ConditionVariable.prototype.wait_until = function (at, predicator) {
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
return __generator(this, function (_a) {
|
|
switch (_a.label) {
|
|
case 0:
|
|
if (!!predicator) return [3 /*break*/, 2];
|
|
return [4 /*yield*/, this._Wait_until(at)];
|
|
case 1: return [2 /*return*/, _a.sent()];
|
|
case 2: return [4 /*yield*/, predicator()];
|
|
case 3:
|
|
if (!!(_a.sent())) return [3 /*break*/, 7];
|
|
return [4 /*yield*/, this._Wait_until(at)];
|
|
case 4:
|
|
if (!!(_a.sent())) return [3 /*break*/, 6];
|
|
return [4 /*yield*/, predicator()];
|
|
case 5: return [2 /*return*/, _a.sent()];
|
|
case 6: return [3 /*break*/, 2];
|
|
case 7: return [2 /*return*/, true];
|
|
}
|
|
});
|
|
});
|
|
};
|
|
ConditionVariable.prototype._Wait = function () {
|
|
var _this = this;
|
|
return new Promise(function (resolve) {
|
|
_this.resolvers_.push_back({
|
|
handler: resolve,
|
|
lockType: 0 /* LockType.HOLD */,
|
|
});
|
|
});
|
|
};
|
|
ConditionVariable.prototype._Wait_until = function (at) {
|
|
var _this = this;
|
|
return new Promise(function (resolve) {
|
|
var it = _this.resolvers_.insert(_this.resolvers_.end(), {
|
|
handler: resolve,
|
|
lockType: 1 /* LockType.KNOCK */,
|
|
});
|
|
// AUTOMATIC UNLOCK
|
|
(0, global_1.sleep_until)(at).then(function () {
|
|
if (it.erased_ === true)
|
|
return;
|
|
// DO UNLOCK
|
|
_this.resolvers_.erase(it); // POP THE LISTENER
|
|
resolve(false); // RETURN FAILURE
|
|
});
|
|
});
|
|
};
|
|
/* ---------------------------------------------------------
|
|
NOTIFIERS
|
|
--------------------------------------------------------- */
|
|
/**
|
|
* Notify, wake only one up.
|
|
*/
|
|
ConditionVariable.prototype.notify_one = function () {
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
var it;
|
|
return __generator(this, function (_a) {
|
|
// NOTHING TO NOTIFY
|
|
if (this.resolvers_.empty())
|
|
return [2 /*return*/];
|
|
it = this.resolvers_.begin();
|
|
this.resolvers_.erase(it);
|
|
// CALL ITS HANDLER
|
|
if (it.value.lockType === 0 /* LockType.HOLD */)
|
|
it.value.handler();
|
|
else
|
|
it.value.handler(true);
|
|
return [2 /*return*/];
|
|
});
|
|
});
|
|
};
|
|
/**
|
|
* Notify, wake all up.
|
|
*/
|
|
ConditionVariable.prototype.notify_all = function () {
|
|
return __awaiter(this, void 0, void 0, function () {
|
|
var resolverList, resolverList_1, resolverList_1_1, resolver;
|
|
var e_1, _a;
|
|
return __generator(this, function (_b) {
|
|
// NOTHING TO NOTIFY
|
|
if (this.resolvers_.empty())
|
|
return [2 /*return*/];
|
|
resolverList = this.resolvers_.toJSON();
|
|
this.resolvers_.clear();
|
|
try {
|
|
// ITERATE RESOLVERS
|
|
for (resolverList_1 = __values(resolverList), resolverList_1_1 = resolverList_1.next(); !resolverList_1_1.done; resolverList_1_1 = resolverList_1.next()) {
|
|
resolver = resolverList_1_1.value;
|
|
if (resolver.lockType === 0 /* LockType.HOLD */)
|
|
resolver.handler();
|
|
else
|
|
resolver.handler(true);
|
|
}
|
|
}
|
|
catch (e_1_1) { e_1 = { error: e_1_1 }; }
|
|
finally {
|
|
try {
|
|
if (resolverList_1_1 && !resolverList_1_1.done && (_a = resolverList_1.return)) _a.call(resolverList_1);
|
|
}
|
|
finally { if (e_1) throw e_1.error; }
|
|
}
|
|
return [2 /*return*/];
|
|
});
|
|
});
|
|
};
|
|
return ConditionVariable;
|
|
}());
|
|
exports.ConditionVariable = ConditionVariable;
|
|
//# sourceMappingURL=ConditionVariable.js.map
|