* ext/fiddle/handle.c: Make Fiddle independent of DL, copy DL::Handle

  to Fiddle::Handle.
* ext/fiddle/pointer.c: Make Fiddle independent of DL, copy
  DL::Pointer to Fiddle::Pointer.
* test/fiddle/test_func.rb: relevent tests
* test/fiddle/test_handle.rb: ditto
* test/fiddle/test_pointer.rb: ditto
* ext/dl/lib/dl/struct.rb: use Fiddle::Pointer if available
* ext/fiddle/extconf.rb: check for dlfcn.h
* ext/fiddle/fiddle.c: add constants for sizeof() things
* ext/fiddle/fiddle.h: include dlfcn.h
* ext/fiddle/function.c: expose a C function for creating new
  Fiddle::Function objects.
* ext/fiddle/lib/fiddle.rb: include constants for dl backwards compat
* ext/fiddle/lib/fiddle/function.rb: read the pointer from the
  function for dl backwards compat.
* test/dl/test_callback.rb: check the addresses of the pointers rather
  than their types.
* test/fiddle/helper.rb: remove dependency on dl
* test/fiddle/test_closure.rb: ditto
* test/fiddle/test_fiddle.rb: ditto

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37907 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 11 insertions, 5 deletions

diff --git a/ext/fiddle/lib/fiddle.rb b/ext/fiddle/lib/fiddle.rb
index 7d55a1f7ad..1c68b7b0ec 100644
--- a/ext/fiddle/lib/fiddle.rb
+++ b/ext/fiddle/lib/fiddle.rb
@@ -1,13 +1,8 @@
 require 'fiddle.so'
 require 'fiddle/function'
 require 'fiddle/closure'
-require 'dl' unless Object.const_defined?(:DL)
 
 module Fiddle
-
-  # A reference to DL::CPtr
-  Pointer = DL::CPtr
-
   if WINDOWS
     # Returns the last win32 +Error+ of the current executing +Thread+ or nil
     # if none
@@ -31,4 +26,15 @@ module Fiddle
     Thread.current[:__DL2_LAST_ERROR__] = error
     Thread.current[:__FIDDLE_LAST_ERROR__] = error
   end
+
+  def dlopen library
+    Fiddle::Handle.new library
+  end
+  module_function :dlopen
+
+  # Add constants for backwards compat
+
+  RTLD_GLOBAL = Handle::RTLD_GLOBAL # :nodoc:
+  RTLD_LAZY   = Handle::RTLD_LAZY   # :nodoc:
+  RTLD_NOW    = Handle::RTLD_NOW    # :nodoc:
 end