test

vscode-server-linux-x64-web/node_modules/node-pty/lib/windowsConoutConnection.js

@@ -0,0 +1,121 @@
+"use strict";
+/**
+ * Copyright (c) 2020, Microsoft Corporation (MIT License).
+ */
+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 };
+    }
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ConoutConnection = void 0;
+var worker_threads_1 = require("worker_threads");
+var conout_1 = require("./shared/conout");
+var path_1 = require("path");
+var eventEmitter2_1 = require("./eventEmitter2");
+/**
+ * The amount of time to wait for additional data after the conpty shell process has exited before
+ * shutting down the worker and sockets. The timer will be reset if a new data event comes in after
+ * the timer has started.
+ */
+var FLUSH_DATA_INTERVAL = 1000;
+/**
+ * Connects to and manages the lifecycle of the conout socket. This socket must be drained on
+ * another thread in order to avoid deadlocks where Conpty waits for the out socket to drain
+ * when `ClosePseudoConsole` is called. This happens when data is being written to the terminal when
+ * the pty is closed.
+ *
+ * See also:
+ * - https://github.com/microsoft/node-pty/issues/375
+ * - https://github.com/microsoft/vscode/issues/76548
+ * - https://github.com/microsoft/terminal/issues/1810
+ * - https://docs.microsoft.com/en-us/windows/console/closepseudoconsole
+ */
+var ConoutConnection = /** @class */ (function () {
+    function ConoutConnection(_conoutPipeName) {
+        var _this = this;
+        this._conoutPipeName = _conoutPipeName;
+        this._isDisposed = false;
+        this._onReady = new eventEmitter2_1.EventEmitter2();
+        var workerData = { conoutPipeName: _conoutPipeName };
+        var scriptPath = __dirname.replace('node_modules.asar', 'node_modules.asar.unpacked');
+        this._worker = new worker_threads_1.Worker(path_1.join(scriptPath, 'worker/conoutSocketWorker.js'), { workerData: workerData });
+        this._worker.on('message', function (message) {
+            switch (message) {
+                case 1 /* READY */:
+                    _this._onReady.fire();
+                    return;
+                default:
+                    console.warn('Unexpected ConoutWorkerMessage', message);
+            }
+        });
+    }
+    Object.defineProperty(ConoutConnection.prototype, "onReady", {
+        get: function () { return this._onReady.event; },
+        enumerable: false,
+        configurable: true
+    });
+    ConoutConnection.prototype.dispose = function () {
+        if (this._isDisposed) {
+            return;
+        }
+        this._isDisposed = true;
+        // Drain all data from the socket before closing
+        this._drainDataAndClose();
+    };
+    ConoutConnection.prototype.connectSocket = function (socket) {
+        socket.connect(conout_1.getWorkerPipeName(this._conoutPipeName));
+    };
+    ConoutConnection.prototype._drainDataAndClose = function () {
+        var _this = this;
+        if (this._drainTimeout) {
+            clearTimeout(this._drainTimeout);
+        }
+        this._drainTimeout = setTimeout(function () { return _this._destroySocket(); }, FLUSH_DATA_INTERVAL);
+    };
+    ConoutConnection.prototype._destroySocket = function () {
+        return __awaiter(this, void 0, void 0, function () {
+            return __generator(this, function (_a) {
+                switch (_a.label) {
+                    case 0: return [4 /*yield*/, this._worker.terminate()];
+                    case 1:
+                        _a.sent();
+                        return [2 /*return*/];
+                }
+            });
+        });
+    };
+    return ConoutConnection;
+}());
+exports.ConoutConnection = ConoutConnection;