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| | # -*- encoding: binary -*-
# Copyright (C) 2013-2016 all contributors <yahns-public@yhbt.net>
# License: GPLv2 or later (https://www.gnu.org/licenses/gpl-2.0.txt)
# frozen_string_literal: true
require 'tmpdir'
# some versions of Ruby had a broken Tempfile which didn't work
# well with unlinked files. This one is much shorter, easier
# to understand, and slightly faster (no delegation).
class Yahns::TmpIO < File # :nodoc:
include Kgio::PipeMethods
# creates and returns a new File object. The File is unlinked
# immediately, switched to binary mode, and userspace output
# buffering is disabled
def self.new(dir)
retried = false
begin
fp = super("#{dir || Dir.tmpdir}/#{rand}", RDWR|CREAT|EXCL|APPEND, 0600)
rescue Errno::EEXIST
retry
rescue Errno::EMFILE, Errno::ENFILE
raise if retried
retried = true
Thread.current[:yahns_fdmap].desperate_expire(5)
sleep(1)
retry
end
unlink(fp.path)
fp.binmode
fp.sync = true
fp
end
# pretend we're Tempfile for Rack::TempfileReaper
alias close! close
end
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