feat: UtilityProcess API (#34980)
* chore: initial scaffolding * chore: implement interface and docs * chore: address code style review * fix: cleanup of utility process on shutdown * chore: simplify NodeBindings::CreateEnvironment * chore: rename disableLibraryValidation => allowLoadingUnsignedLibraries * chore: implement process.parentPort * chore(posix): implement stdio pipe interface * chore(win): implement stdio interface * chore: reenable SetNodeOptions for utility process * chore: add specs * chore: fix lint * fix: update kill API * fix: update process.parentPort API * fix: exit event * docs: update exit event * fix: tests on linux * chore: expand on some comments * fix: shutdown of pipe reader Avoid logging since it is always the case that reader end of pipe will terminate after the child process. * fix: remove exit code check for crash spec * fix: rm PR_SET_NO_NEW_PRIVS for unsandbox utility process * chore: fix incorrect rebase * fix: address review feedback * chore: rename utility_process -> utility * chore: update docs * chore: cleanup c++ implemantation * fix: leak in NodeServiceHost impl * chore: minor cleanup * chore: cleanup JS implementation * chore: flip default stdio to inherit * fix: some api improvements * Support cwd option * Remove path restriction for modulePath * Rewire impl for env support * fix: add tests for cwd and env option * chore: alt impl for reading stdio handles * chore: support message queuing * chore: fix lint * chore: new UtilityProcess => utilityProcess.fork * fix: support for uncaught exception exits * chore: remove process.execArgv as default * fix: windows build * fix: style changes * fix: docs and style changes * chore: update patches * spec: disable flaky test on win32 arm CI Co-authored-by: PatchUp <73610968+patchup[bot]@users.noreply.github.com>
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lib/utility/parent-port.ts
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30
lib/utility/parent-port.ts
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import { EventEmitter } from 'events';
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import { MessagePortMain } from '@electron/internal/browser/message-port-main';
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const { createParentPort } = process._linkedBinding('electron_utility_parent_port');
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export class ParentPort extends EventEmitter {
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#port: ParentPort
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constructor () {
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super();
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this.#port = createParentPort();
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this.#port.emit = (channel: string | symbol, event: { ports: any[] }) => {
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if (channel === 'message') {
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event = { ...event, ports: event.ports.map(p => new MessagePortMain(p)) };
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}
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this.emit(channel, event);
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return false;
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};
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}
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start () : void {
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this.#port.start();
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}
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pause () : void {
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this.#port.pause();
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}
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postMessage (message: any) : void {
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this.#port.postMessage(message);
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}
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}
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