Patch from Nick Vatamaniuc, fixes #83. Thanks!

AUTHORS

@@ -73,3 +73,4 @@ Thanks To
 * Soren Hansen, finding and fixing issue in subprocess (#77)
 * Stefano Rivera, making tests pass in absence of postgres (#78)
 * Joshua Kwan, fixing busy-wait in eventlet.green.ssl.
+* Nick Vatamaniuc, Windows SO_REUSEADDR patch (#83)

eventlet/convenience.py

@@ -25,7 +25,7 @@ def listen(addr, family=socket.AF_INET, backlog=50):
     """Convenience function for opening server sockets.  This
     socket can be used in :func:`~eventlet.serve` or a custom ``accept()`` loop.
 
-    Sets SO_REUSEADDR on the socket to save on annoyance.
+    Sets SO_REUSEADDR on the socket to save on annoyance. 
 
     :param addr: Address to listen on.  For TCP sockets, this is a (host, port)  tuple.
     :param family: Socket family, optional.  See :mod:`socket` documentation for available families.
@@ -33,7 +33,8 @@ def listen(addr, family=socket.AF_INET, backlog=50):
     :return: The listening green socket object.
     """
     sock = socket.socket(family, socket.SOCK_STREAM)
-    sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+    if sys.platform[:3]=="win":
+        sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
     sock.bind(addr)
     sock.listen(backlog)
     return sock

tests/convenience_test.py

@@ -2,6 +2,7 @@ import os
 
 import eventlet
 from eventlet import event
+from eventlet.green import socket
 from tests import LimitedTestCase, s2b
 
 certificate_file = os.path.join(os.path.dirname(__file__), 'test_server.crt')
@@ -119,4 +120,12 @@ class TestServe(LimitedTestCase):
         client.sendall("echo")
         self.assertEquals("echo", client.recv(1024))
         
-        
+    def test_socket_reuse(self):
+        lsock1 = eventlet.listen(('localhost',0))
+        port = lsock1.getsockname()[1]
+        def same_socket():
+            return eventlet.listen(('localhost',port))
+        self.assertRaises(socket.error,same_socket)
+        lsock1.close()
+        assert same_socket()
+