 da0fd286b4
			
		
	
	
	
	
	da0fd286b4* 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>
		
			
				
	
	
		
			75 lines
		
	
	
	
		
			2.9 KiB
			
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			75 lines
		
	
	
	
		
			2.9 KiB
			
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
| import * as util from 'util';
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| 
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| const timers = require('timers');
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| 
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| type AnyFn = (...args: any[]) => any
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| 
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| // setImmediate and process.nextTick makes use of uv_check and uv_prepare to
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| // run the callbacks, however since we only run uv loop on requests, the
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| // callbacks wouldn't be called until something else activated the uv loop,
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| // which would delay the callbacks for arbitrary long time. So we should
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| // initiatively activate the uv loop once setImmediate and process.nextTick is
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| // called.
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| const wrapWithActivateUvLoop = function <T extends AnyFn> (func: T): T {
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|   return wrap(func, function (func) {
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|     return function (this: any, ...args: any[]) {
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|       process.activateUvLoop();
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|       return func.apply(this, args);
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|     };
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|   }) as T;
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| };
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| 
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| /**
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|  * Casts to any below for func are due to Typescript not supporting symbols
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|  * in index signatures
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|  *
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|  * Refs: https://github.com/Microsoft/TypeScript/issues/1863
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|  */
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| function wrap <T extends AnyFn> (func: T, wrapper: (fn: AnyFn) => T) {
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|   const wrapped = wrapper(func);
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|   if ((func as any)[util.promisify.custom]) {
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|     (wrapped as any)[util.promisify.custom] = wrapper((func as any)[util.promisify.custom]);
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|   }
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|   return wrapped;
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| }
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| 
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| // process.nextTick and setImmediate make use of uv_check and uv_prepare to
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| // run the callbacks, however since we only run uv loop on requests, the
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| // callbacks wouldn't be called until something else activated the uv loop,
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| // which would delay the callbacks for arbitrary long time. So we should
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| // initiatively activate the uv loop once process.nextTick and setImmediate is
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| // called.
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| process.nextTick = wrapWithActivateUvLoop(process.nextTick);
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| global.setImmediate = timers.setImmediate = wrapWithActivateUvLoop(timers.setImmediate);
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| global.clearImmediate = timers.clearImmediate;
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| 
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| // setTimeout needs to update the polling timeout of the event loop, when
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| // called under Chromium's event loop the node's event loop won't get a chance
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| // to update the timeout, so we have to force the node's event loop to
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| // recalculate the timeout in the process.
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| timers.setTimeout = wrapWithActivateUvLoop(timers.setTimeout);
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| timers.setInterval = wrapWithActivateUvLoop(timers.setInterval);
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| 
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| // Update the global version of the timer apis to use the above wrapper
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| // only in the process that runs node event loop alongside chromium
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| // event loop. We skip renderer with nodeIntegration here because node globals
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| // are deleted in these processes, see renderer/init.js for reference.
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| if (process.type === 'browser' ||
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|     process.type === 'utility') {
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|   global.setTimeout = timers.setTimeout;
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|   global.setInterval = timers.setInterval;
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| }
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| 
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| if (process.platform === 'win32') {
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|   // Always returns EOF for stdin stream.
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|   const { Readable } = require('stream');
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|   const stdin = new Readable();
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|   stdin.push(null);
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|   Object.defineProperty(process, 'stdin', {
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|     configurable: false,
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|     enumerable: true,
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|     get () {
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|       return stdin;
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|     }
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|   });
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| }
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