--- a/qmsk/net/socket/socket.pyx	Mon Aug 17 01:03:40 2009 +0300
+++ b/qmsk/net/socket/socket.pyx	Mon Aug 17 01:24:28 2009 +0300
@@ -111,6 +111,16 @@
         """
 
         return self.fd
+    
+    def setblocking (self, bint blocking = True) :
+        """
+            Control the OS-level nonblocking-IO mode flag for this socket.
+
+                blocking    - True for normal blocking operation, False to use non-blocking operation
+        """
+        
+        # fcntl magic
+        libc.fcntl_set_flag(self.fd, libc.O_NONBLOCK, not blocking)
 
     def bind (self, sockaddr addr) :
         """