Implment Dir#fileno with a Rubinius primitive

rubinius · May 27, 2015 · 7111811 · 7111811
1 parent 2958f37
commit 7111811
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Showing 4 changed files with 14 additions and 2 deletions.
diff --git a/kernel/common/dir.rb b/kernel/common/dir.rb
@@ -174,6 +174,11 @@ def each
     self
   end
 
+  def fileno
+    Rubinius.primitive :dir_fileno
+    raise PrimitiveFailure, "Dir#fileno primitive failed"
+  end
+
   attr_reader :path
 
   alias_method :to_path, :path

diff --git a/spec/tags/ruby/core/dir/fileno_tags.txt b/spec/tags/ruby/core/dir/fileno_tags.txt
diff --git a/vm/builtin/dir.cpp b/vm/builtin/dir.cpp
@@ -71,6 +71,12 @@ namespace rubinius {
     return cTrue;
   }
 
+  Object* Dir::fileno(STATE) {
+    int fd = dirfd(os_);
+
+    return Fixnum::from(fd);
+  }
+
   Object* Dir::close(STATE) {
     guard(state);
 

diff --git a/vm/builtin/dir.hpp b/vm/builtin/dir.hpp
@@ -36,6 +36,9 @@ namespace rubinius {
     // Rubinius.primitive :dir_open
     Object* open(STATE, String *path, Object* enc);
 
+    // Rubinius.primitive :dir_fileno
+    Object* fileno(STATE);
+
     // Rubinius.primitive :dir_close
     Object* close(STATE);