Feat: naive waitFor preattach/attach support

Extension/package.json

@@ -4673,6 +4673,33 @@
                                     }
                                 ]
                             },
+                            "waitFor": {
+                                "description": "%c_cpp.debuggers.waitFor.description%",
+                                "type": "object",
+                                "default": {},
+                                "properties": {
+                                    "enabled": {
+                                        "type": "boolean",
+                                        "description": "%c_cpp.debuggers.waitFor.enabled.description%",
+                                        "default": false
+                                    },
+                                    "pattern": {
+                                        "type": "string",
+                                        "description": "%c_cpp.debuggers.waitFor.pattern.description%",
+                                        "default": ""
+                                    },
+                                    "timeout": {
+                                        "type": "number",
+                                        "description": "%c_cpp.debuggers.waitFor.timeout.description%",
+                                        "default": 30000
+                                    },
+                                    "interval": {
+                                        "type": "number",
+                                        "description": "%c_cpp.debuggers.waitFor.interval.description%",
+                                        "default": 150
+                                    }
+                                }
+                            },
                             "filterStdout": {
                                 "type": "boolean",
                                 "description": "%c_cpp.debuggers.filterStdout.description%",

Extension/package.nls.json

@@ -974,6 +974,10 @@
     "c_cpp.debuggers.VSSymbolOptionsModuleFilter.excludedModules.description": "Array of modules that the debugger should NOT load symbols for. Wildcards (example: MyCompany.*.dll) are supported.\n\nThis property is ignored unless 'mode' is set to 'loadAllButExcluded'.",
     "c_cpp.debuggers.VSSymbolOptionsModuleFilter.includedModules.description": "Array of modules that the debugger should load symbols for. Wildcards (example: MyCompany.*.dll) are supported.\n\nThis property is ignored unless 'mode' is set to 'loadOnlyIncluded'.",
     "c_cpp.debuggers.VSSymbolOptionsModuleFilter.includeSymbolsNextToModules.description": "If true, for any module NOT in the 'includedModules' array, the debugger will still check next to the module itself and the launching executable, but it will not check paths on the symbol search list. This option defaults to 'true'.\n\nThis property is ignored unless 'mode' is set to 'loadOnlyIncluded'.",
+    "c_cpp.debuggers.waitFor.enabled.description": "If true, the debugger will wait till timeout to match a process cmd pattern and attach to it. If matched, sends a SIGSTOP to the process before attaching.",
+    "c_cpp.debuggers.waitFor.pattern.description": "The process cmd pattern to match against. The pattern is a regular expression that will be matched against the process name.",
+    "c_cpp.debuggers.waitFor.timeout.description": "The time, in milliseconds, to wait for a process to match. The default is 10000ms.",
+    "c_cpp.debuggers.waitFor.interval.description": "The interval, in milliseconds, to wait between checks for the process to match. The default is 200ms.",
     "c_cpp.semanticTokenTypes.referenceType.description": "Style for C++/CLI reference types.",
     "c_cpp.semanticTokenTypes.cliProperty.description": "Style for C++/CLI properties.",
     "c_cpp.semanticTokenTypes.genericType.description": "Style for C++/CLI generic types.",

Extension/src/Debugger/attachWaitFor.ts

@@ -0,0 +1,134 @@
+
+import * as os from 'os';
+import * as vscode from 'vscode';
+import { localize } from 'vscode-nls';
+import * as util from '../common';
+import { sleep } from '../Utility/Async/sleep';
+import { CimAttachItemsProvider, PsAttachItemsProvider, WmicAttachItemsProvider } from './nativeAttach';
+
+export interface WaitForProcessProvider {
+    poll(program: string, timeout: number, interval: number, token?: vscode.CancellationToken): Promise<string | undefined>
+}
+
+export class PollProcessProviderFactory {
+    static Get(): WaitForProcessProvider {
+        if (os.platform() === 'win32') {
+            const pwsh: string | undefined = util.findPowerShell();
+            let itemsProvider = pwsh ? new CimAttachItemsProvider(pwsh) : new WmicAttachItemsProvider();
+            return new PollWindowsProvider(itemsProvider);
+        } else {
+            // Linux and MacOS
+            return new PollProcProvider(new PsAttachItemsProvider());
+        }
+    }
+}
+
+export class PollProcProvider implements WaitForProcessProvider {
+
+    constructor(itemsProvider: PsAttachItemsProvider) {
+        this.itemsProvider = itemsProvider;
+    }
+
+    private itemsProvider: PsAttachItemsProvider;
+
+    async poll(program: string, timeout: number, interval: number, token?: vscode.CancellationToken): Promise<string | undefined> {
+        return new Promise<string | undefined>(async (resolve, reject) => {
+            const startTime = Date.now();  // Get the current time in milliseconds
+            let process: string | undefined;
+            while (true) {
+                let elapsedTime = Date.now() - startTime;
+                if (elapsedTime >= timeout) {
+                    reject(new Error(localize("waitfor.timeout", "Timeout reached. No process matched the pattern.")));
+                }
+
+                if (token?.isCancellationRequested) {
+                    reject(new Error(localize("waitfor.cancelled", "Operation cancelled.")));
+                }
+
+                let procs = await this.itemsProvider.getAttachItems(token)
+                for (const proc of procs) {
+                    if (proc.detail?.includes(program)) {
+                        process = proc.id
+                        break
+                    }
+                }
+
+                if (process) {
+                    await util.execChildProcess(`kill -STOP ${process}`, undefined, undefined);
+                    break
+                }
+
+                sleep(interval)
+            }
+
+            resolve(process)
+        })
+    }
+}
+
+export class PollWindowsProvider implements WaitForProcessProvider {
+    constructor(itemsProvider: CimAttachItemsProvider | WmicAttachItemsProvider) {
+        this.itemsProvider = itemsProvider;
+    }
+
+    private itemsProvider: CimAttachItemsProvider | WmicAttachItemsProvider;
+
+    public async poll(program: string, timeout: number, interval: number, token?: vscode.CancellationToken): Promise<string | undefined> {
+        return new Promise<string | undefined>(async (resolve, reject) => {
+            const startTime = Date.now();  // Get the current time in milliseconds
+            let process: string | undefined;
+            while (true) {
+                const elapsedTime = Date.now() - startTime;
+                if (elapsedTime >= timeout) {
+                    reject(new Error(localize("waitfor.timeout", "Timeout reached. No process matched the pattern.")));
+                }
+
+                // Check for cancellation
+                if (token?.isCancellationRequested) {
+                    reject(new Error(localize("waitfor.cancelled", "Operation cancelled.")));
+                }
+
+                let procs = await this.itemsProvider.getAttachItems(token)
+                for (const proc of procs) {
+                    if (proc.detail?.includes(program)) {
+                        process = proc.id
+                        break
+                    }
+                }
+
+                if (process) {
+                    // Use pssupend to send SIGSTOP analogous in Windows
+                    await util.execChildProcess(`pssuspend.exe /accepteula -nobanner ${process}`, undefined, undefined)
+                    break
+                }
+
+                sleep(interval)
+            }
+            resolve(process)
+        })
+    }
+}
+
+
+export class AttachWaitFor {
+    constructor(poller: WaitForProcessProvider) {
+        //this._channel = vscode.window.createOutputChannel('waitfor-attach');
+        this.poller = poller;
+
+    }
+
+    // Defaults: ms
+    private timeout: number = 10000;
+    private interval: number = 150;
+    private poller: WaitForProcessProvider;
+
+    public async WaitForProcess(program: string, timeout: number, interval: number, token?: vscode.CancellationToken): Promise<string | undefined> {
+        if (timeout) {
+            this.timeout = timeout;
+        }
+        if (interval) {
+            this.interval = interval;
+        }
+        return await this.poller.poll(program, this.timeout, this.interval, token);
+    }
+}

Extension/src/Debugger/configurationProvider.ts

@@ -22,6 +22,7 @@ import { PlatformInformation } from '../platform';
 import { rsync, scp, ssh } from '../SSH/commands';
 import * as Telemetry from '../telemetry';
 import { AttachItemsProvider, AttachPicker, RemoteAttachPicker } from './attachToProcess';
+import { AttachWaitFor, PollProcessProviderFactory, WaitForProcessProvider } from './attachWaitFor';
 import { ConfigMenu, ConfigMode, ConfigSource, CppDebugConfiguration, DebuggerEvent, DebuggerType, DebugType, IConfiguration, IConfigurationSnippet, isDebugLaunchStr, MIConfigurations, PipeTransportConfigurations, TaskStatus, WindowsConfigurations, WSLConfigurations } from './configurations';
 import { NativeAttachItemsProviderFactory } from './nativeAttach';
 import { Environment, ParsedEnvironmentFile } from './ParsedEnvironmentFile';
@@ -347,16 +348,33 @@ export class DebugConfigurationProvider implements vscode.DebugConfigurationProv
             }
         }
 
-        // Pick process if process id is empty
         if (config.request === "attach" && !config.processId) {
             let processId: string | undefined;
-            if (config.pipeTransport || config.useExtendedRemote) {
-                const remoteAttachPicker: RemoteAttachPicker = new RemoteAttachPicker();
-                processId = await remoteAttachPicker.ShowAttachEntries(config);
+            if (config.waitFor.enabled) {
+                const pollProvider: WaitForProcessProvider = PollProcessProviderFactory.Get();
+                const waitForAttach: AttachWaitFor = new AttachWaitFor(pollProvider);
+                if (config.waitFor.process === "") {
+                    void logger.getOutputChannelLogger().showErrorMessage(localize("waitfor.process.empty", "Wait for Process name is empty."));
+                    return undefined;
+                }
+                if (config.waitFor.timeout < 0) {
+                    void logger.getOutputChannelLogger().showErrorMessage(localize("waitfor.timeout.value", "Wait for Timeout value should be non zero."));
+                    return undefined;
+                }
+                if (config.waitFor.interval < 0) {
+                    void logger.getOutputChannelLogger().showErrorMessage(localize("waitfor.interval.value", "Wait for Interval value should be non zero."));
+                    return undefined;
+                }
+                processId = await waitForAttach.WaitForProcess(config.waitFor.process, config.waitFor.timeout, config.waitFor.interval, token);
             } else {
-                const attachItemsProvider: AttachItemsProvider = NativeAttachItemsProviderFactory.Get();
-                const attacher: AttachPicker = new AttachPicker(attachItemsProvider);
-                processId = await attacher.ShowAttachEntries(token);
+                if (config.pipeTransport || config.useExtendedRemote) {
+                    const remoteAttachPicker: RemoteAttachPicker = new RemoteAttachPicker();
+                    processId = await remoteAttachPicker.ShowAttachEntries(config);
+                } else {
+                    const attachItemsProvider: AttachItemsProvider = NativeAttachItemsProviderFactory.Get();
+                    const attacher: AttachPicker = new AttachPicker(attachItemsProvider);
+                    processId = await attacher.ShowAttachEntries(token);
+                }
             }
 
             if (processId) {

Extension/src/Debugger/configurations.ts

@@ -97,7 +97,7 @@ function createLaunchString(name: string, type: string, executable: string): str
 "stopAtEntry": false,
 "cwd": "$\{fileDirname\}",
 "environment": [],
-${ type === "cppdbg" ? `"externalConsole": false` : `"console": "externalTerminal"` }
+${type === "cppdbg" ? `"externalConsole": false` : `"console": "externalTerminal"`}
 `;
 }
 
@@ -119,6 +119,7 @@ function createRemoteAttachString(name: string, type: string, executable: string
 `;
 }
 
+
 function createPipeTransportString(pipeProgram: string, debuggerProgram: string, pipeArgs: string[] = []): string {
     return `
 "pipeTransport": {
@@ -164,7 +165,7 @@ export class MIConfigurations extends Configuration {
 \t${indentJsonString(createLaunchString(name, this.miDebugger, this.executable))},
 \t"MIMode": "${this.MIMode}"{0}{1}
 }`, [this.miDebugger === "cppdbg" && os.platform() === "win32" ? `,${os.EOL}\t"miDebuggerPath": "/path/to/gdb"` : "",
-            this.additionalProperties ? `,${os.EOL}\t${indentJsonString(this.additionalProperties)}` : ""]);
+        this.additionalProperties ? `,${os.EOL}\t${indentJsonString(this.additionalProperties)}` : ""]);
 
         return {
             "label": configPrefix + name,
@@ -182,7 +183,7 @@ export class MIConfigurations extends Configuration {
 \t${indentJsonString(createAttachString(name, this.miDebugger, this.executable))}
 \t"MIMode": "${this.MIMode}"{0}{1}
 }`, [this.miDebugger === "cppdbg" && os.platform() === "win32" ? `,${os.EOL}\t"miDebuggerPath": "/path/to/gdb"` : "",
-            this.additionalProperties ? `,${os.EOL}\t${indentJsonString(this.additionalProperties)}` : ""]);
+        this.additionalProperties ? `,${os.EOL}\t${indentJsonString(this.additionalProperties)}` : ""]);
 
         return {
             "label": configPrefix + name,

Extension/src/Debugger/extension.ts

@@ -125,6 +125,10 @@ export async function initialize(context: vscode.ExtensionContext): Promise<void
             }
         }
     }));
+
+
+
+
 }
 
 export function dispose(): void {

Extension/src/common.ts

@@ -734,13 +734,18 @@ export function execChildProcess(process: string, workingDirectory?: string, cha
                 }
             }
 
-            if (error) {
-                reject(error);
-                return;
+            if (stderr && stderr.length > 0) {
+                if (stderr.indexOf('screen size is bogus') >= 0) {
+                    // ignore this error silently; see https://github.com/microsoft/vscode/issues/75932
+                    // see similar fix for the Node - Debug (Legacy) Extension at https://github.com/microsoft/vscode-node-debug/commit/5298920
+                } else {
+                    reject(error);
+                    return;
+                }
             }
 
-            if (stderr && stderr.length > 0) {
-                reject(new Error(stderr));
+            if (error) {
+                reject(error);
                 return;
             }
 

Extension/tools/OptionsSchema.json

@@ -595,6 +595,28 @@
       },
       "default": []
     },
+    "WaitFor": {
+      "type": "object",
+      "description": "%c_cpp.debuggers.waitFor.description%",
+      "default": {},
+      "properties": {
+        "timeout": {
+          "type": "integer",
+          "description": "%c_cpp.debuggers.waitFor.timeout.description%",
+          "default": 10000
+        },
+        "interval": {
+          "type": "integer",
+          "description": "%c_cpp.debuggers.waitFor.interval.description%",
+          "default": 150
+        },
+        "pattern": {
+          "type": "string",
+          "description": "%c_cpp.debuggers.waitFor.pattern.description%",
+          "default": ""
+        }
+      }
+    },
     "CppdbgLaunchOptions": {
       "type": "object",
       "required": [
@@ -936,6 +958,10 @@
             }
           ]
         },
+        "waitFor": {
+          "$ref": "#/definitions/WaitFor",
+          "description": "%c_cpp.debuggers.waitFor.description%"
+        },
         "logging": {
           "$ref": "#/definitions/Logging",
           "description": "%c_cpp.debuggers.logging.description%"

Extension/yarn.lock

@@ -55,10 +55,10 @@
   resolved "https://pkgs.dev.azure.com/azure-public/VisualCpp/_packaging/cpp_PublicPackages/npm/registry/@eslint/js/-/js-8.57.1.tgz#de633db3ec2ef6a3c89e2f19038063e8a122e2c2"
   integrity sha1-3mM9s+wu9qPIni8ZA4Bj6KEi4sI=
 
-"@github/copilot-language-server@^1.266.0":
-  version "1.273.0"
-  resolved "https://pkgs.dev.azure.com/azure-public/VisualCpp/_packaging/cpp_PublicPackages/npm/registry/@github/copilot-language-server/-/copilot-language-server-1.273.0.tgz#561094fc0d832acae173c40549cd95d27a648fbc"
-  integrity sha1-VhCU/A2DKsrhc8QFSc2V0npkj7w=
+"@github/copilot-language-server@^1.316.0":
+  version "1.316.0"
+  resolved "https://pkgs.dev.azure.com/azure-public/VisualCpp/_packaging/cpp_PublicPackages/npm/registry/@github/copilot-language-server/-/copilot-language-server-1.316.0.tgz#7df2f3857f8e148de36b232ccf8b762dfbb2ec9b"
+  integrity sha1-ffLzhX+OFI3jayMsz4t2Lfuy7Js=
   dependencies:
     vscode-languageserver-protocol "^3.17.5"
 
@@ -5079,10 +5079,10 @@ vinyl@^3.0.0:
     replace-ext "^2.0.0"
     teex "^1.0.1"
 
-vscode-cpptools@^6.1.0:
-  version "6.1.0"
-  resolved "https://pkgs.dev.azure.com/azure-public/VisualCpp/_packaging/cpp_PublicPackages/npm/registry/vscode-cpptools/-/vscode-cpptools-6.1.0.tgz#d89bb225f91da45dbee6acbf45f6940aa3926df1"
-  integrity sha1-2JuyJfkdpF2+5qy/RfaUCqOSbfE=
+vscode-cpptools@^6.3.0:
+  version "6.3.0"
+  resolved "https://pkgs.dev.azure.com/azure-public/VisualCpp/_packaging/cpp_PublicPackages/npm/registry/vscode-cpptools/-/vscode-cpptools-6.3.0.tgz#671243ac977d9a6b4ffdcf0e4090075af60c6051"
+  integrity sha1-ZxJDrJd9mmtP/c8OQJAHWvYMYFE=
 
 vscode-jsonrpc@8.1.0:
   version "8.1.0"
@@ -5427,4 +5427,4 @@ yn@3.1.1:
 yocto-queue@^0.1.0:
   version "0.1.0"
   resolved "https://pkgs.dev.azure.com/azure-public/VisualCpp/_packaging/cpp_PublicPackages/npm/registry/yocto-queue/-/yocto-queue-0.1.0.tgz#0294eb3dee05028d31ee1a5fa2c556a6aaf10a1b"
-  integrity sha1-ApTrPe4FAo0x7hpfosVWpqrxChs=
+  integrity sha1-ApTrPe4FAo0x7hpfosVWpqrxChs=