yahns Ruby server user/dev discussion
 help / color / mirror / code / Atom feed
c14dc8abd954219e39e0eace5d921ba771af17fc blob 1067 bytes (raw)

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
 
# -*- 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:

  # 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
debug log:

solving c14dc8a ...
found c14dc8a in https://yhbt.net/yahns.git

Code repositories for project(s) associated with this inbox:

	../../../yahns.git

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).