1 files changed, 7 insertions, 0 deletions
diff --git a/ext/fiddle/lib/fiddle.rb b/ext/fiddle/lib/fiddle.rb
index 8b8c069b03..7d55a1f7ad 100644
--- a/ext/fiddle/lib/fiddle.rb
+++ b/ext/fiddle/lib/fiddle.rb
@@ -4,22 +4,29 @@ 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
     def self.win32_last_error
       Thread.current[:__FIDDLE_WIN32_LAST_ERROR__]
     end
 
+    # Sets the last win32 +Error+ of the current executing +Thread+ to +error+
     def self.win32_last_error= error
       Thread.current[:__FIDDLE_WIN32_LAST_ERROR__] = error
     end
   end
 
+  # Returns the last +Error+ of the current executing +Thread+ or nil if none
   def self.last_error
     Thread.current[:__FIDDLE_LAST_ERROR__]
   end
 
+  # Sets the last +Error+ of the current executing +Thread+ to +error+
   def self.last_error= error
     Thread.current[:__DL2_LAST_ERROR__] = error
     Thread.current[:__FIDDLE_LAST_ERROR__] = error