ext/libuv/docs/src/async.rst in libuv-3.2.1 vs ext/libuv/docs/src/async.rst in libuv-3.2.2

@@ -33,15 +33,19 @@
 
 .. c:function:: int uv_async_init(uv_loop_t* loop, uv_async_t* async, uv_async_cb async_cb)
 
     Initialize the handle. A NULL callback is allowed.
 
+    :returns: 0 on success, or an error code < 0 on failure.
+
     .. note::
         Unlike other handle initialization  functions, it immediately starts the handle.
 
 .. c:function:: int uv_async_send(uv_async_t* async)
 
-    Wakeup the event loop and call the async handle's callback.
+    Wake up the event loop and call the async handle's callback.
+
+    :returns: 0 on success, or an error code < 0 on failure.
 
     .. note::
         It's safe to call this function from any thread. The callback will be called on the
         loop thread.