core: remove 'sent' property; make 'async.pending' property use ev_async_pending()

gevent/core.ppyx

@@ -500,11 +500,6 @@ cdef public class loop [object PyGeventLoopObject, type PyGeventLoop_Type]:
             Py_DECREF(<PyObjectPtr>self)                                                \
             self._flags &= ~1                                                           \
                                                                                         \
-    property pending:                                                                   \
-                                                                                        \
-        def __get__(self):                                                              \
-            return True if libev.ev_is_pending(&self._watcher) else False               \
-                                                                                        \
     property priority:                                                                  \
                                                                                         \
         def __get__(self):                                                              \
@@ -534,11 +529,22 @@ cdef public class loop [object PyGeventLoopObject, type PyGeventLoop_Type]:
         libev.ev_##TYPE##_start(self.loop._ptr, &self._watcher)  \
         PYTHON_INCREF
 
+
+#define PENDING                                                            \
+    property pending:                                                      \
+                                                                           \
+        def __get__(self):                                                 \
+            return True if libev.ev_is_pending(&self._watcher) else False
+
+
+
 #define WATCHER(TYPE) WATCHER_BASE(TYPE) \
                                          \
     START(TYPE)                          \
                                          \
-    ACTIVE
+    ACTIVE                               \
+                                         \
+    PENDING
 
 
 #define COMMA ,
@@ -594,6 +600,8 @@ cdef public class io(watcher) [object PyGeventIOObject, type PyGeventIO_Type]:
 
     ACTIVE
 
+    PENDING
+
 #ifdef _WIN32
 
     def __init__(self, loop loop, long fd, int events, ref=True):
@@ -680,6 +688,8 @@ cdef public class timer(watcher) [object PyGeventTimerObject, type PyGeventTimer
 
     ACTIVE
 
+    PENDING
+
     def __init__(self, loop loop, double after=0.0, double repeat=0.0, ref=True):
         if repeat < 0.0:
             raise ValueError("repeat must be positive or zero: %r" % repeat)
@@ -750,17 +760,22 @@ cdef public class fork(watcher) [object PyGeventForkObject, type PyGeventFork_Ty
 
 cdef public class async(watcher) [object PyGeventAsyncObject, type PyGeventAsync_Type]:
 
-    WATCHER(async)
+    WATCHER_BASE(async)
+
+    START(async)
+
+    ACTIVE
+
+    property pending:
+
+        def __get__(self):
+            return True if libev.ev_async_pending(&self._watcher) else False
 
     INIT(async,,)
 
     def send(self):
         libev.ev_async_send(self.loop._ptr, &self._watcher)
 
-    @property
-    def sent(self):
-        return libev.ev_async_pending(&self._watcher)
-
 
 #cdef public class child(watcher) [object PyGeventChildObject, type PyGeventChild_Type]:
 #
@@ -788,6 +803,8 @@ cdef public class callback(watcher) [object PyGeventCallbackObject, type PyGeven
         def __get__(self):
             return self.callback is not None
 
+    PENDING
+
 
 __SYSERR_CALLBACK = None