diff --git a/Lib/contextlib.py b/Lib/contextlib.py
index 157b4cc..b2902a4 100644
--- a/Lib/contextlib.py
+++ b/Lib/contextlib.py
@@ -2,10 +2,10 @@
 
 import sys
 
-__all__ = ["contextmanager", "nested", "closing"]
+__all__ = ["contextfactory", "nested", "closing"]
 
-class GeneratorContextManager(object):
-    """Helper for @contextmanager decorator."""
+class GeneratorContext(object):
+    """Helper for @contextfactory decorator."""
 
     def __init__(self, gen):
         self.gen = gen
@@ -48,8 +48,8 @@
                     raise
 
 
-def contextmanager(func):
-    """@contextmanager decorator.
+def contextfactory(func):
+    """@contextfactory decorator.
 
     Typical usage:
 
@@ -77,7 +77,7 @@
 
     """
     def helper(*args, **kwds):
-        return GeneratorContextManager(func(*args, **kwds))
+        return GeneratorContext(func(*args, **kwds))
     try:
         helper.__name__ = func.__name__
         helper.__doc__ = func.__doc__
@@ -87,7 +87,7 @@
     return helper
 
 
-@contextmanager
+@contextfactory
 def nested(*contexts):
     """Support multiple context managers in a single with-statement.
 
@@ -133,9 +133,8 @@
             raise exc[0], exc[1], exc[2]
 
 
-@contextmanager
-def closing(thing):
-    """Context manager to automatically close something at the end of a block.
+class closing(object):
+    """Context to automatically close something at the end of a block.
 
     Code like this:
 
@@ -151,7 +150,11 @@
             f.close()
 
     """
-    try:
-        yield thing
-    finally:
-        thing.close()
+    def __init__(self, thing):
+        self.thing = thing
+    def __context__(self):
+        return self
+    def __enter__(self):
+        return self.thing
+    def __exit__(self, *exc_info):
+        self.thing.close()
diff --git a/Lib/decimal.py b/Lib/decimal.py
index 967f101..875e38a 100644
--- a/Lib/decimal.py
+++ b/Lib/decimal.py
@@ -2173,7 +2173,7 @@
 
 del name, val, globalname, rounding_functions
 
-class ContextManager(object):
+class WithStatementContext(object):
     """Helper class to simplify Context management.
 
     Sample usage:
@@ -2249,7 +2249,7 @@
         return ', '.join(s) + ')'
 
     def __context__(self):
-        return ContextManager(self.copy())
+        return WithStatementContext(self.copy())
 
     def clear_flags(self):
         """Reset all flags to zero"""
diff --git a/Lib/test/test_contextlib.py b/Lib/test/test_contextlib.py
index 1a70997..53f23b2 100644
--- a/Lib/test/test_contextlib.py
+++ b/Lib/test/test_contextlib.py
@@ -13,9 +13,9 @@
 
 class ContextManagerTestCase(unittest.TestCase):
 
-    def test_contextmanager_plain(self):
+    def test_contextfactory_plain(self):
         state = []
-        @contextmanager
+        @contextfactory
         def woohoo():
             state.append(1)
             yield 42
@@ -26,9 +26,9 @@
             state.append(x)
         self.assertEqual(state, [1, 42, 999])
 
-    def test_contextmanager_finally(self):
+    def test_contextfactory_finally(self):
         state = []
-        @contextmanager
+        @contextfactory
         def woohoo():
             state.append(1)
             try:
@@ -47,8 +47,8 @@
             self.fail("Expected ZeroDivisionError")
         self.assertEqual(state, [1, 42, 999])
 
-    def test_contextmanager_no_reraise(self):
-        @contextmanager
+    def test_contextfactory_no_reraise(self):
+        @contextfactory
         def whee():
             yield
         ctx = whee().__context__()
@@ -56,8 +56,8 @@
         # Calling __exit__ should not result in an exception
         self.failIf(ctx.__exit__(TypeError, TypeError("foo"), None))
 
-    def test_contextmanager_trap_yield_after_throw(self):
-        @contextmanager
+    def test_contextfactory_trap_yield_after_throw(self):
+        @contextfactory
         def whoo():
             try:
                 yield
@@ -69,9 +69,9 @@
             RuntimeError, ctx.__exit__, TypeError, TypeError("foo"), None
         )
 
-    def test_contextmanager_except(self):
+    def test_contextfactory_except(self):
         state = []
-        @contextmanager
+        @contextfactory
         def woohoo():
             state.append(1)
             try:
@@ -86,14 +86,14 @@
             raise ZeroDivisionError(999)
         self.assertEqual(state, [1, 42, 999])
 
-    def test_contextmanager_attribs(self):
+    def test_contextfactory_attribs(self):
         def attribs(**kw):
             def decorate(func):
                 for k,v in kw.items():
                     setattr(func,k,v)
                 return func
             return decorate
-        @contextmanager
+        @contextfactory
         @attribs(foo='bar')
         def baz(spam):
             """Whee!"""
@@ -106,13 +106,13 @@
     # XXX This needs more work
 
     def test_nested(self):
-        @contextmanager
+        @contextfactory
         def a():
             yield 1
-        @contextmanager
+        @contextfactory
         def b():
             yield 2
-        @contextmanager
+        @contextfactory
         def c():
             yield 3
         with nested(a(), b(), c()) as (x, y, z):
@@ -122,14 +122,14 @@
 
     def test_nested_cleanup(self):
         state = []
-        @contextmanager
+        @contextfactory
         def a():
             state.append(1)
             try:
                 yield 2
             finally:
                 state.append(3)
-        @contextmanager
+        @contextfactory
         def b():
             state.append(4)
             try:
@@ -148,7 +148,7 @@
 
     def test_nested_right_exception(self):
         state = []
-        @contextmanager
+        @contextfactory
         def a():
             yield 1
         class b(object):
@@ -172,10 +172,10 @@
             self.fail("Didn't raise ZeroDivisionError")
 
     def test_nested_b_swallows(self):
-        @contextmanager
+        @contextfactory
         def a():
             yield
-        @contextmanager
+        @contextfactory
         def b():
             try:
                 yield
@@ -189,7 +189,7 @@
             self.fail("Didn't swallow ZeroDivisionError")
 
     def test_nested_break(self):
-        @contextmanager
+        @contextfactory
         def a():
             yield
         state = 0
@@ -201,7 +201,7 @@
         self.assertEqual(state, 1)
 
     def test_nested_continue(self):
-        @contextmanager
+        @contextfactory
         def a():
             yield
         state = 0
@@ -213,7 +213,7 @@
         self.assertEqual(state, 3)
 
     def test_nested_return(self):
-        @contextmanager
+        @contextfactory
         def a():
             try:
                 yield