optimise ev_now when \!MULTIPLICITY

[software/libev.git] / README.embed

diff --git a/README.embed b/README.embed
index 2980a9677e0b8b5a837b7f154b06ebd42cc240f5..815e8b44a24044d9506352415664ec0a7c475c01 100644 (file)
--- a/README.embed
+++ b/README.embed
@@ -172,11 +172,15 @@ PREPROCESSOR SYMBOLS
 
     EV_CB_DECLARE(type)
     EV_CB_INVOKE(watcher,revents)
+    ev_set_cb(ev,cb)
 
        Can be used to change the callback member declaration in each
-       watcher, and the way callbacks are invoked. Must expand to a struct
-       member definition and a statement, respectively. See the ev.v
-       header file for their default definitions.
+       watcher, and the way callbacks are invoked and set. Must expand
+       to a struct member definition and a statement, respectively. See
+       the ev.v header file for their default definitions. One possible
+       use for overriding these is to avoid the ev_loop pointer as first
+       argument in all cases, or to use method calls instead of plain
+       function calls in C++.
 
 EXAMPLES