diff --git a/eventlet/__init__.py b/eventlet/__init__.py
index 7361da2..dda5923 100644
--- a/eventlet/__init__.py
+++ b/eventlet/__init__.py
@@ -1,4 +1,4 @@
-version_info = (0, 9, 7, "dev1")
+version_info = (0, 9, 8, "dev1")
 __version__ = ".".join(map(str, version_info))
 
 try:
diff --git a/eventlet/support/psycopg2_patcher.py b/eventlet/support/psycopg2_patcher.py
index 7d9c1d5..29af65d 100644
--- a/eventlet/support/psycopg2_patcher.py
+++ b/eventlet/support/psycopg2_patcher.py
@@ -38,15 +38,20 @@ def make_psycopg_green():
 
     extensions.set_wait_callback(eventlet_wait_callback)
 
-def eventlet_wait_callback(conn, timeout=-1):
+def eventlet_wait_callback(conn, timeout=-1,
+        # access these objects with LOAD_FAST instead of LOAD_GLOBAL lookup
+        POLL_OK=extensions.POLL_OK,
+        POLL_READ=extensions.POLL_READ,
+        POLL_WRITE=extensions.POLL_WRITE,
+        trampoline=trampoline):
     """A wait callback useful to allow eventlet to work with Psycopg."""
     while 1:
         state = conn.poll()
-        if state == extensions.POLL_OK:
+        if state == POLL_OK:
             break
-        elif state == extensions.POLL_READ:
+        elif state == POLL_READ:
             trampoline(conn.fileno(), read=True)
-        elif state == extensions.POLL_WRITE:
+        elif state == POLL_WRITE:
             trampoline(conn.fileno(), write=True)
         else:
             raise psycopg2.OperationalError(
diff --git a/eventlet/tpool.py b/eventlet/tpool.py
index 7e9dd45..0db26fd 100644
--- a/eventlet/tpool.py
+++ b/eventlet/tpool.py
@@ -231,7 +231,7 @@ def setup():
         _rpipe, _wpipe = os.pipe()
         _wfile = greenio.GreenPipe(_wpipe, 'wb', 0)
         _rfile = greenio.GreenPipe(_rpipe, 'rb', 0)
-    except ImportError:
+    except (ImportError, NotImplementedError):
         # This is Windows compatibility -- use a socket instead of a pipe because
         # pipes don't really exist on Windows.
         import socket
diff --git a/eventlet/wsgi.py b/eventlet/wsgi.py
index 1b46395..e490e1a 100644
--- a/eventlet/wsgi.py
+++ b/eventlet/wsgi.py
@@ -111,8 +111,11 @@ class Input(object):
                     if self.chunk_length > self.position:
                         response.append(rfile.read(
                                 min(self.chunk_length - self.position, length)))
-                        length -= len(response[-1])
-                        self.position += len(response[-1])
+                        last_read = len(response[-1])
+                        if last_read == 0:
+                            break
+                        length -= last_read
+                        self.position += last_read
                         if self.chunk_length == self.position:
                             rfile.readline()
                     else:
diff --git a/tests/wsgi_test.py b/tests/wsgi_test.py
index 5e79def..e4de67e 100644
--- a/tests/wsgi_test.py
+++ b/tests/wsgi_test.py
@@ -11,6 +11,7 @@ from unittest import main
 from eventlet import api
 from eventlet import util
 from eventlet import greenio
+from eventlet import event
 from eventlet.green import socket as greensocket
 from eventlet import wsgi
 from eventlet.support import get_errno
@@ -833,6 +834,28 @@ class TestHttpd(_TestBase):
         # (one terminates the chunk, one terminates the body)
         self.assertEqual(response, ['0', '', ''])
 
+    def test_aborted_chunked_post(self):
+        read_content = event.Event()
+        def chunk_reader(env, start_response):
+            content = env['wsgi.input'].read(1024)
+            read_content.send(content)
+            start_response('200 OK', [('Content-Type', 'text/plain')])
+            return [content]
+        self.site.application = chunk_reader
+        expected_body = 'a bunch of stuff'
+        data = "\r\n".join(['PUT /somefile HTTP/1.0',
+                            'Transfer-Encoding: chunked',
+                            '',
+                            'def',
+                            expected_body])
+        # start PUT-ing some chunked data but close prematurely
+        sock = eventlet.connect(('127.0.0.1', self.port))
+        sock.sendall(data)
+        sock.close()
+        # the test passes if we successfully get here, and read all the data
+        # in spite of the early close
+        self.assertEqual(read_content.wait(), expected_body)
+
 def read_headers(sock):
     fd = sock.makefile()
     try: