Support libuv < v1.9.0

MANIFEST.in

@@ -1,6 +1,6 @@
 recursive-include examples *.py
 recursive-include tests *.py *.pem
-recursive-include uvloop *.pyx *.pxd *.pxi *.py
+recursive-include uvloop *.pyx *.pxd *.pxi *.py *.c *.h
 recursive-include vendor/libuv *
 recursive-exclude vendor/libuv/.git *
 recursive-exclude vendor/libuv/docs *

uvloop/includes/compat.h

@@ -0,0 +1,7 @@
+#include "uv.h"
+
+
+// uv_poll_event.UV_DISCONNECT is available since libuv v1.9.0
+#if UV_VERSION_HEX < 0x10900
+#define UV_DISCONNECT 0
+#endif

uvloop/includes/uv.pxd

@@ -4,6 +4,12 @@ from posix.types cimport gid_t, uid_t
 from . cimport system
 
 
+cdef extern from "includes/compat.h":
+    # Member of uv_poll_event, in compat.h for compatibility
+    # with libuv < v1.9.0
+    cdef int UV_DISCONNECT
+
+
 cdef extern from "uv.h" nogil:
     cdef int UV_EACCES
     cdef int UV_EAGAIN
@@ -183,8 +189,8 @@ cdef extern from "uv.h" nogil:
 
     ctypedef enum uv_poll_event:
         UV_READABLE = 1,
-        UV_WRITABLE = 2,
-        UV_DISCONNECT = 4
+        UV_WRITABLE = 2
+        # UV_DISCONNECT = 4 ; see compat.h for details
 
     ctypedef enum uv_udp_flags:
         UV_UDP_IPV6ONLY = 1,

uvloop/loop.pyx

@@ -43,7 +43,6 @@ cdef Loop __main_loop__ = None
 cdef class Loop:
     def __cinit__(self):
         cdef int err
-
         # Install PyMem* memory allocators if they aren't installed yet.
         __install_pymem()