Merge pull request #126301 from microsoft/tyriar/118276

Support detaching terminal processes manually

src/vs/workbench/contrib/terminal/browser/terminalActions.ts

@@ -846,6 +846,19 @@ export function registerTerminalActions() {
 			accessor.get(ITerminalService).hideFindWidget();
 		}
 	});
+	registerAction2(class extends Action2 {
+		constructor() {
+			super({
+				id: TerminalCommandId.DetachProcess,
+				title: { value: localize('workbench.action.terminal.detachProcess', "Detach Process"), original: 'Detach Process' },
+				f1: true,
+				category
+			});
+		}
+		async run(accessor: ServicesAccessor) {
+			accessor.get(ITerminalService).doWithActiveInstance(instance => instance.detachFromProcess());
+		}
+	});
 	registerAction2(class extends Action2 {
 		constructor() {
 			super({

src/vs/workbench/contrib/terminal/browser/terminalInstance.ts

@@ -984,6 +984,7 @@ export class TerminalInstance extends Disposable implements ITerminalInstance {
 
 	detachFromProcess(): void {
 		this._processManager.detachFromProcess();
+		this.dispose();
 	}
 
 	forceRedraw(): void {

src/vs/workbench/contrib/terminal/browser/terminalProcessManager.ts

@@ -176,6 +176,7 @@ export class TerminalProcessManager extends Disposable implements ITerminalProce
 
 	detachFromProcess(): void {
 		this._process?.detach?.();
+		this._process = null;
 	}
 
 	async createProcess(

src/vs/workbench/contrib/terminal/common/terminal.ts

@@ -447,7 +447,8 @@ export const enum TerminalCommandId {
 	NavigationModeFocusPrevious = 'workbench.action.terminal.navigationModeFocusPrevious',
 	ShowEnvironmentInformation = 'workbench.action.terminal.showEnvironmentInformation',
 	SearchWorkspace = 'workbench.action.terminal.searchWorkspace',
-	AttachToRemoteTerminal = 'workbench.action.terminal.attachToSession'
+	AttachToRemoteTerminal = 'workbench.action.terminal.attachToSession',
+	DetachProcess = 'workbench.action.terminal.detachProcess'
 }
 
 export const DEFAULT_COMMANDS_TO_SKIP_SHELL: string[] = [