Fix Linux

Author: 1st1

uvloop/dns.pyx

@@ -139,14 +139,9 @@ cdef __static_getaddrinfo(object host, object port,
     if proto not in {0, uv.IPPROTO_TCP, uv.IPPROTO_UDP}:
         return
 
-    if type == uv.SOCK_STREAM:
-        # Linux only:
-        #    getaddrinfo() can raise when socket.type is a bit mask.
-        #    So if socket.type is a bit mask of SOCK_STREAM, and say
-        #    SOCK_NONBLOCK, we simply return None, which will trigger
-        #    a call to getaddrinfo() letting it process this request.
+    if _is_sock_stream(type):
         proto = uv.IPPROTO_TCP
-    elif type == uv.SOCK_DGRAM:
+    elif _is_sock_dgram(type):
         proto = uv.IPPROTO_UDP
     else:
         return