51 lines
1 KiB
JavaScript
51 lines
1 KiB
JavaScript
var signal = process.argv[2]
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var gens = +process.argv[3] || 0
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if (!signal || !isNaN(signal)) {
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throw new Error('signal not provided')
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}
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var spawn = require('child_process').spawn
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var file = require.resolve('./awaiter.js')
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console.error(process.pid, signal, gens)
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if (gens > 0) {
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file = __filename
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}
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var child = spawn(process.execPath, [file, signal, gens - 1], {
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stdio: [ 0, 'pipe', 'pipe' ]
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})
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if (!gens) {
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child.stderr.on('data', function () {
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child.kill(signal)
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})
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}
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var result = ''
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child.stdout.on('data', function (c) {
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result += c
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})
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child.on('close', function (code, sig) {
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try {
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result = JSON.parse(result)
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} catch (er) {
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console.log('%j', {
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error: 'failed to parse json\n' + er.message,
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result: result,
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pid: process.pid,
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child: child.pid,
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gens: gens,
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expect: [ null, signal ],
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actual: [ code, sig ]
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})
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return
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}
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if (result.wanted[1] === true) {
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sig = !!sig
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}
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result.external = result.external || [ code, sig ]
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console.log('%j', result)
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})
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