| 1 | const fs = require('fs').promises
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| 2 | const path = require('path')
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| 3 | const assert = require('assert')
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| 4 |
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| 5 | module.exports = async function (tmp, random, pid) {
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| 6 | for (;;) {
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| 7 | const umask = process.umask(0o077)
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| 8 | try {
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| 9 | const dirname = path.join(tmp, `prolific-${pid}-${await random()}`)
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| 10 | await fs.mkdir(dirname)
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| 11 | return dirname
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| 12 | } catch (error) {
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| 13 | assert(error.code == 'EEXIST')
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| 14 | } finally {
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| 15 | process.umask(umask)
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| 16 | }
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| 17 | }
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| 18 | }
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