djberg96

# Adaptive benchmarking code I copied from the blog of Mauricio Fernandez

module Adaptive
   class Benchmark

      # The version of the adaptive-benchmark library
      VERSION = '0.1.0'

      # Default options
      REPORT_OPT = {:precision => 0.1, :confidence => 0.95}

djberg96

# It would be nice if I could temporarily redirect stdout and stderr.

require 'mkmf'

# stdout redirected within block only
$stdout.reopen('/dev/null') do
  if have_header('foo.h')
    # Do stuff
  end
end

djberg96

# extconf.rb
require 'mkmf'
create_makefile('foo')

# foo.h
#ifndef __FOO_H_INCLUDED__
#define __FOO_H_INCLUDED__

#include <ruby.h>

djberg96

djberge:/Users/djberge/Repositories/rubinius [master]>./configure
Configuring LLVM...
  Checking for existing LLVM tree: found!

Checking sizeof(long): 4 bytes
Checking platform endianness: little endian
Checking tr1/hash definition: not found
Checking for function 'backtrace': not found.

Configured. Run 'rake' to build and run VM tests and rubyspecs

djberg96

0000c470 s EH_frame1
         U __DefaultRuneLocale
000009f8 t __Z10weeknumberPK2tmi
00000000 a __Z10weeknumberPK2tmi.eh
00000a3a t __Z12iso8601wknumPK2tm
0000c4b8 s __Z12iso8601wknumPK2tm.eh
000001fc T __Z15mktime_extendedP2tmiPi
0000c48c S __Z15mktime_extendedP2tmiPi.eh
00000bce T __Z17strftime_extendedPcmPKcPK2tmPK8timespeci
0000c4e4 S __Z17strftime_extendedPcmPKcPK2tmPK8timespeci.eh

djberg96

djberge:/Users/djberge/Repositories/rubinius [master]>which gcc
/opt/local/bin/gcc
djberge:/Users/djberge/Repositories/rubinius [master]>gcc -v
Using built-in specs.
Target: i386-apple-darwin8.11.1
Configured with: /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_lang_apple-gcc42/work/gcc_42-5531/configure --prefix=/opt/local/lib/apple-gcc42 --enable-languages=c,objc --program-suffix=-apple-4.2
Thread model: posix
gcc version 4.2.1 (Apple Inc. build 5531)

djberge:/Users/djberge/Repositories/rubinius [master]>rake clean

djberg96

1)
An exception occurred during: before :each
Exception#backtrace returns nil if no backtrace was set ERROR
Errno::EEXIST: File exists - /home/dberger/.gem/rbx/1.8/cache
                          Errno.handle at kernel/common/errno.rb:16
                             Dir.mkdir at kernel/common/dir.rb:82
                    FileUtils.fu_mkdir at lib/fileutils.rb:243
              { } in FileUtils.mkdir_p at lib/fileutils.rb:204
                            Array#each at kernel/bootstrap/array.rb:66
                     FileUtils.mkdir_p at lib/fileutils.rb:201

djberg96

# Make your classes final. Why? Because we can.
module Final
  class Error < RuntimeError; end

  def self.included(mod)
    # Prevent subclassing, except implicity subclassing from Object.
    def mod.inherited(sub)
      raise Error, "cannot subclass #{self}" unless self == Object
    end

djberg96

require 'uri'

s1 = "http://storage.blah.com/auth28173"
s2 = "/container/path/to/object"
u = URI.parse(s1)
puts u + s2

djberg96

require 'ffi'

class Foo
  class << self
    extend FFI::Library
    ffi_lib FFI::Library::LIBC

    private

    attach_function 'puts', [:string], :int