mirror of https://github.com/nodejs/node.git
42 lines
1.1 KiB
JavaScript
42 lines
1.1 KiB
JavaScript
'use strict';
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const common = require('../common');
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const { isMainThread } = require('worker_threads');
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if (!isMainThread) {
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common.skip("Workers don't have process-like stdio");
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}
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// Test if Node handles accessing process.stdin if it is a redirected
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// pipe without deadlocking
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const { spawn, spawnSync } = require('child_process');
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const numTries = 5;
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const who = process.argv.length <= 2 ? 'runner' : process.argv[2];
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switch (who) {
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case 'runner':
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for (let num = 0; num < numTries; ++num) {
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spawnSync(process.argv0,
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[process.argv[1], 'parent'],
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{ 'stdio': 'inherit' });
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}
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break;
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case 'parent': {
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const middle = spawn(process.argv0,
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[process.argv[1], 'middle'],
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{ 'stdio': 'pipe' });
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middle.stdout.on('data', () => {});
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break;
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}
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case 'middle':
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spawn(process.argv0,
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[process.argv[1], 'bottom'],
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{ 'stdio': [ process.stdin,
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process.stdout,
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process.stderr ] });
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break;
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case 'bottom':
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process.stdin; // eslint-disable-line no-unused-expressions
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break;
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}
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