site/node_modules/async-mutex/es6/Mutex.js
2024-10-14 08:09:33 +02:00

42 lines
1.5 KiB
JavaScript

import { __awaiter, __generator } from "tslib";
import Semaphore from './Semaphore';
var Mutex = /** @class */ (function () {
function Mutex(cancelError) {
this._semaphore = new Semaphore(1, cancelError);
}
Mutex.prototype.acquire = function () {
return __awaiter(this, arguments, void 0, function (priority) {
var _a, releaser;
if (priority === void 0) { priority = 0; }
return __generator(this, function (_b) {
switch (_b.label) {
case 0: return [4 /*yield*/, this._semaphore.acquire(1, priority)];
case 1:
_a = _b.sent(), releaser = _a[1];
return [2 /*return*/, releaser];
}
});
});
};
Mutex.prototype.runExclusive = function (callback, priority) {
if (priority === void 0) { priority = 0; }
return this._semaphore.runExclusive(function () { return callback(); }, 1, priority);
};
Mutex.prototype.isLocked = function () {
return this._semaphore.isLocked();
};
Mutex.prototype.waitForUnlock = function (priority) {
if (priority === void 0) { priority = 0; }
return this._semaphore.waitForUnlock(1, priority);
};
Mutex.prototype.release = function () {
if (this._semaphore.isLocked())
this._semaphore.release();
};
Mutex.prototype.cancel = function () {
return this._semaphore.cancel();
};
return Mutex;
}());
export default Mutex;