From: Daniel Berger <djberg96@...>
Date: 2008-04-13T21:15:26+09:00
Subject: umask vs umask

Hi,

Windows XP Home
Ruby 1.8.6 p114

I think I need another set of eyes on this one, because it looks to me 
like Ruby isn't picking up the changes I make with a custom umask, and 
vice versa.

require 'win32/api'
include Win32

S_IWRITE = 0000200
S_IREAD  = 0000400

Umask = API.new('_umask', 'I', 'I', 'msvcrt')

# Mimic file.c
def umask(*args)
    omask = 0

    if args.length == 0
       omask = Umask.call(0)
       Umask.call(omask)
    elsif args.length == 1
       omask = Umask.call(args[0])
    else
       raise ArgumentError, "wrong number of arguments"
    end

    return omask
end

p umask(S_IREAD) # 0
p umask          # 256 (ok)
p umask          # 256 (double check, ok)

p File.umask     # 0 - wtf?

Why isn't Ruby's File.umask picking up the change? I see the same thing 
if I set it with File.umask and try to read the changes with my own umask.

Regards,

Dan