Sha256: 6623c1f4d35096dd64b1cee4409752e7758f1739cdffeddbeebe4b300c6d1dc0
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Versions: 86
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Contents
var test = require('tap').test var fs = require('../') test('open lots of stuff', function (t) { // Get around EBADF from libuv by making sure that stderr is opened // Otherwise Darwin will refuse to give us a FD for stderr! process.stderr.write('') // How many parallel open()'s to do var n = 1024 var opens = 0 var fds = [] var going = true var closing = false var doneCalled = 0 for (var i = 0; i < n; i++) { go() } function go() { opens++ fs.open(__filename, 'r', function (er, fd) { if (er) throw er fds.push(fd) if (going) go() }) } // should hit ulimit pretty fast setTimeout(function () { going = false t.equal(opens - fds.length, n) done() }, 100) function done () { if (closing) return doneCalled++ if (fds.length === 0) { //console.error('done called %d times', doneCalled) // First because of the timeout // Then to close the fd's opened afterwards // Then this time, to complete. // Might take multiple passes, depending on CPU speed // and ulimit, but at least 3 in every case. t.ok(doneCalled >= 3) return t.end() } closing = true setTimeout(function () { // console.error('do closing again') closing = false done() }, 100) // console.error('closing time') var closes = fds.slice(0) fds.length = 0 closes.forEach(function (fd) { fs.close(fd, function (er) { if (er) throw er }) }) } })
Version data entries
86 entries across 79 versions & 3 rubygems