From bdd8f36a887a3732a4fa1218c8841af396cbbe98 Mon Sep 17 00:00:00 2001
From: Ryan Williams <breath@alum.mit.edu>
Date: Thu, 24 Jun 2010 13:41:07 -0700
Subject: [PATCH] Removed duplicate code.

---
 eventlet/hubs/poll.py | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/eventlet/hubs/poll.py b/eventlet/hubs/poll.py
index f8ba355..57ca580 100644
--- a/eventlet/hubs/poll.py
+++ b/eventlet/hubs/poll.py
@@ -84,9 +84,7 @@ class Hub(BaseHub):
         SYSTEM_EXCEPTIONS = self.SYSTEM_EXCEPTIONS
 
         if self.debug_blocking:
-            # shortest alarm we can possibly set is one second
-            signal.signal(signal.SIGALRM, alarm_handler)
-            signal.alarm(1)
+            self.block_detect_pre()
 
         for fileno, event in presult:
             try:
@@ -107,5 +105,5 @@ class Hub(BaseHub):
                 clear_sys_exc_info()
         
         if self.debug_blocking:
-            signal.alarm(0)
+            self.block_detect_post()